Unbrako - Specialty Sales

Transcription

Unbrako
®
Petrochemical
Fasteners Catalog
www.unbrako.com
Limited Warranty And Exclusive Remedy
Deepak Fasteners through its Unbrako Division warrants that these products conform to industry standards
specified herein and will be free from defects in materials and workmanship. This warranty is expressly given in lieu of any
and all other express or implied warranties, including any implied warranty of merchantability or fitness for a particular
purpose, and in lieu of any other obligation on our part of DFL will at its option, repair or replace free of charge (excluding
all shipping and handling costs) any products which have not been subject to misuse, abuse, or modification and which in its
sole determination were not manufactured in compliance with the warranty given above.
The remedy provided herein shall be the exclusive remedy for any breach of warranty or any claim arising in any
way out of the manufacture, sale or use of these products. In no event shall Deepak Fasteners be liable for consequential,
incidental or any other damages of any nature whatsoever except those specifically provided herein for any breach of warranty
or any claim arising in any way of the manufacture, sale or use of these products. No other person is authorised by Deepak
Fasteners to give any other warranty, written or oral, pertaining to the products.
.
Disclaimer
All information contained in this catalogue has been prepared to assist users in their requirements for Studbolts. The
information is based on International Fastener Standards. All such source material and information beyond the control
of Deepak fastener Ltd (DFL) is subject to change.
.
Whilst every care has been taken to ensure that all information and technical data is accurate, DFL will not be liable to
any customer that relies on any matter, fact or representation nor will it be liable for any subsequent damage or loss
resulting from the use of any information contained in this catalogue. Customers are advised to make their own enquiries
or seek independent advice regarding the fitness and suitability of the products listed.
.
The products listed in this catalogue might not be stocked at DFL at all times and customers are advised to enquire the
availability of the same. E. & O.E.
.
Unbrako
®
Contents
Pages
Certifications
1
About Unbrako
2
Quality And Reliability
3
Unbrako Studbolts Product Range
4-5
Studbolt Material Specification
Nut Material Specification
ASTM A-193/ASME SA-193
6
ASTM A-320 & ASTM A-307
7
8
Influence Of Chemicals In Steel
9
Properties Of Steel
10-11
Dimensions Of Nuts
ASTM F436 Washer
Metric
12
Imperial
13
Metric
14
Imperial
15
Assembly & Tightening
16-17
Specialized Coating
18
Tightening Torques
19-21
Proof Load
Metric
22
Imperial
23
Studbolt Sizes For Flanges
24-29
Product Weight
30-33
Our Commitment To Quality
1
Largest
Cold
Forgers in
the world
Longest
Heat
Treatment
Capacity
State-of-the-art
Heat Treatment
Process
Founded in 1911, Unbrako has been a leader in advancing the
technology of bolted joints and meeting the needs of industry
for stronger and better performing fasteners. Products such as
the famous Unbrako® socket head cap screw and Durlok®
fasteners are the solutions of choice for engineering
applications across the world & is used by industries such as
the automotive, power generation, petrochemical, heavy
machinery, construction and military sectors.
.
Utilizing its international network in 35 countries, Unbrako
provides a complete range of industrial fastening hardware
including bolts, screws, SEM's, nuts, studbolts, self-locking
fasteners, thread forming fasteners, among others.
.
Unbrako products are primarily used in performance critical
applications and incorporate unique design and workmanship
features that meet or exceed recognized international
standards, resulting in higher tensile strength, improved
fatigue resistance, improved ease of installation, reduced
total cost of maintenance and extended life cycle.
.
With advanced manufacturing, engineering and logistics
facilities, ISO/TS and CE certification, Unbrako is equipped to
provide technical support and full-service package. Unbrako's
focus is on building long term relationships with its
customers. Full-service includes engineering and design
support, procurement and purchasing services, localized
warehousing and transport, a variety of packaging options
and choice of delivery frequencies – to provide the right
answer to any customer need.
.
BSI
0045
TUVRheinland
2
Unbrako
®
Quality And Reliability
Test Certificates
Tests are carried out in our laboratory. Test results, certified by our Quality Assurance department
are available at shipment of products, against invoice, as and when requested by our customers.
X-Ray Fluorescence Analyzer
Spectrometer
Metallurgical Microscope
Tensile Testing
In-house Destructive And Non-destructive Testing :
Chemical product check analysis
Hardness tests
Grains size
Heat treatment tests
Uts test
Decarburization tests
Room temprature tension tests (or at 00 C)
Proof load test
Ultra soud testing
Low temperature impact tests (upto -196 c)
Macrotech tests
M.P.I tests
X-Ray Fluorescence Analysis
Microtech tests
Stress rupture tests
0
Prestigious Petrochemical Clientele
Petroleum Development Oman
KNPC
Engineers India Limited
Projects And Development India Limited
3
Unbrako Studbolts
For Gas, Petroleum & Chemical Industries
ISO 9001:2008 and ISO/TS 16949:2002 Quality Assured
DFL STUDBOLTS
(ASTM Spec)
COMPATIBLE NUTS
(ASTM Spec)
Screw Fastening
Material (generic)
Material
A193 Grade B7
Cr - Mo
4140 / 4142 / 4145
A194 Grade 2H
A193 Grade B7M
Cr - Mo
4140 / 4142 / 4145
A194 Grade 2HM
18 Cr - 8 Ni
304
A194 Grade 8
A320 Grade B8M
18 Cr - 10 Ni - 2 Mo
316
A194 Grade 8M
A193 Grade B16
Cr MoV
EN 40CrMoV4
A194 Grade 4 or 7
A320 Grade L7
Cr - Mo
4140 / 4142 / 4145
A194 Grade 4 or 7
A320 Grade L7M
Cr - Mo
4140 / 4142 / 4145
A194 Grade 4M or 7M
A193 Grade B5
5 Cr
501
A194 Grade 3
A193 Grade B6
12 Cr
410
A194 Grade 6
A193 Grade B8T
18 Cr - 10 Ni - Ti
321
A194 Grade 8T
A193 Grade B8
* Highlighted items can be made-to-order.
DIAMETER RANGE : Imperial : 3/8" to 4"
Metric : M10 to M100
LENGTH : Imperial : upto 10 feet
Metric : upto 3 meters
How To Measure
Stud bolt length is determined by the measurement from the first full thread to the last full thread.
The first and last full thread is determined as the intersection of the major diameter of the thread
with the base of the point. (refer to the diagram).
Diameter
Length
Material
Studbolt for high pressure - temperature
Chemical and mechanical requirements should be specified at the time of purchase and
will be in accordance with ASME, ASTM, and ANSI codes and specifications as
applicable at the time of ordering.
4
Unbrako
®
Points
Points are flat and chamfered, or sheared at option of the manufacturer. When points are flat
and chamfered, the diameter of the flat shall not exceed the minor diameter of the thread, and
shall be not less than one or more than two complete threads as measured from the extreme end
parallel to the axis.
Threads
Threads are Unified inch coarse thread series (UNC), Class 2A, for all stud bolt sizes 1 inch
and smaller, and Unified inch 8 thread series (UN8), class 2A, for all stud bolts larger than
1 inch, in accordance with ANSI/ASME B1.1. Acceptability of screw threads is determined
based on ANSI/ASME B1.3.
How To Order
Important information to be provided
while ordering:
Nominal Thread Diameter
Nominal Length in millimeters for studbolts
(Refer to “how to measure”)
The Standard to which the product is required
Finish / Coating Required
Material Grade
Test Certificate Requirements
5
Alloy steel & stainless steel bolting for high-temperature
FERRITIC STEEL
B5
B6
AISI
501
410
DIN
12CrM0
19-5
X10Cr13
W.-NR.
1.7362
1.4006
B7
AU ST E N I T I C ST E E L
B7M
B16
B8
304
316
321
347
42CrMo4
24CrM0
V55
X5CrNi
18-8
X5CrNiMo
17-12-2
X6CrNiTi
18-10
X6CrNiNb
18-10
1.7225
1.7711
1.4301
1.4401
1.4541
1.4550
0,08 max.
4140
B8M
B8T
B8C
CHEMICAL REQUIREMENTS
C%
0,10 min
0,36-0,47
0,08 max.
0,08 max.
0,08 max.
1 max
0,08-0,15
1 max
0,37-0,49
Mn %
0,65-1,10
0,45-0,70
2 max
2 max
2 max
2 max
Si %
1 max.
1 max.
0,15-0,35
0,15-0,35
1 max.
1 max.
1 max.
1 max.
P max %
0,040
0,040
0,035
0,035
0,045
0,045
0,045
0,045
S max %
0,030
0,030
0,040
0,040
0,030
0,030
0,030
0,030
Cr %
4-6
11,5-13,5
0,75-1,20
0,80-1,15
18-20
16-18
17-19
17-19
8-11
10-14
9-12
9-12
Ni %
Mo %
0,15-0,25
0,40-0,65
2-3
0,50-0,65
V%
0,25-0,35
Al Max. %
0,015
5x(C+N) min.
0,70 max.
Tl %
10xC min.
1,10 max.
Cb+Ta
MECHANICAL REQUIREMENTS
Diameter
up to 4”
up to 4”
2 1/2”
and under
2 1/2”
and under
2 1/2”
and under
Class 1: all Diameters
T.S. min. Mpa
690
760
860
690
860
515
515
515
515
Y.S min. 0.2% Mpa
550
585
720
550
725
205
205
205
205
30
Elongation min.%
16
15
16
18
18
30
30
30
Red. of Area min.%
50
50
50
50
50
50
50
50
50
321
235
321
223
223
223
223
B7
B7M
B16
Hardness max. HB
Diameter
over 2 1/2” over 2 1/2”
to 4
to 4
B8 CL2 - B8T CL2 - B8C CL2
over 2 1/2”
to 4
3/4”
and under
over 3/4”
to 1”
over 1”
to 1 1/4”
over 1 1/4”
to 1 1/2”
T.S. min. Mpa
795
690
760
860
795
725
690
Y.S min. 0.2% Mpa
655
550
655
690
550
450
345
Elongation min.%
16
18
17
12
15
20
28
Red. of Area min.%
50
50
45
35
35
35
45
Hardness max. HB
321
235
321
321
321
B7
B7M
B16
321
321
B8M CL2
Diameter
over 4”
to 7”
over 4”
to 7”
over 4”
to 7”
3/4”
and under
over 3/4”
to 1”
over 1”
to 1 1/4”
over 1 1/4”
to 1 1/2”
T.S. min. Mpa
690
690
690
760
690
655
620
Y.S min. 0.2% Mpa
515
515
586
655
550
450
345
Elongation min.%
18
18
16
15
20
25
30
Red. of Area min.%
50
50
45
45
45
45
45
Hardness max. HB
321
235
321
321
321
321
321
6
Unbrako
®
ASTM A-320 & ASTM A-307
ASTM A-320 / ASME SA-320
ASTM A-307 / SA-307
Alloy steel bolting for low-temperature
Carbon steel bolts and nuts
FERRITIC STEEL
L7
L7M
AISI
4140
DIN
42CrMo4
W.-Nr.
1.7225
AUSTENITIC STEEL
L43
B8
4340
40NiCr
Mo6
1.6565
304
B8M
B8T
316
321
X5CrNiMo X6CrNiTi
X5CrNi18-8
17-12-2
18-10
1.4401
1.4541
1.4301
CARBON STEEL
B8C
GR. A
GR.B
GR.C
347
X6CrNiNb
18-10
1.4550
C%
0,38-0,48
0,38-0,43
0,08 max.
0,08 max.
0,08 max.
0,08 max.
0,29 max.
Mn %
0,75-1,00
0,60-0,85
2 max.
2 max.
2 max.
2 max.
0,90 max.
Si %
0,15-0,35
0,15-0,35
1 max.
1 max.
1 max.
1 max.
0,50 max.
P max %
0,035
0,035
0,045
0,045
0,045
0,045
S max %
0,040
0,040
0,030
0,030
0,030
0,030
Cr %
0,80-1,10
0,70-0,90
18-20
16-18
17-19
17-19
1,65-2,00
8-11
10-14
9-12
9-12
0,15-0,25
0,20-0,30
Ni %
Mo %
0,04 max.
0,15
0,05
2-3
5xC min
Tl %
10 x C min.
1,10 max.
Cb+Ta
Diameter
2 1/2”
2 1/2”
4”
and under and under and under
Class 1: all Diameters
All Diameters
T.S. min. Mpa
860
690
860
515
515
515
515
Y.S min. 0.2% Mpa
725
550
725
205
205
205
205
Elongation min.%
16
18
16
30
30
30
30
Red. of Area min.%
50
50
50
Ind. (20) med. (27)
50
50
50
50
223
223
223
223
Impact. Test Min. (J)
Temp.
Hardness max. HB
-1010C
-730C
235
415
415-690 400-500
248
18
18
23
-1010C
121-241 121-212
B8 CL2 - B8T CL2 - B8C CL2
Diameter
3/4”
and under
over 3/4”
to 1”
over 1” over 1 1/4”
to 1 1/4” to 1 1/2”
T.S. min. Mpa
860
795
725
690
Y.S min. 0.2% Mpa
690
550
450
345
Elongation min.%
12
15
20
28
Red. of Area min.%
35
35
35
45
Hardness max. HB
321
321
321
321
Diameter
3/4”
and under
over 3/4”
to 1”
B8M CL2
over 1” over 1 1/4”
to 1 1/4” to 1 1/2”
T.S. min. Mpa
760
690
655
620
Y.S min. 0.2% Mpa
655
550
450
345
30
Elongation min.%
15
20
25
Red. of Area min.%
45
45
45
45
Hardness max. HB
321
321
321
321
7
Nut Material Specification
Carbon And Alloy Steel Nuts
Grade
2H
3
2HM
4
6
6F
7
8
7M
8T
8M
8C
C%
_
>
Mn %
0.40
>
_
_
>
1
0.40
>
_
1
_
>
0.10
0.40-0.50
>
_
0.15
>
_
0.15
0.37-0.49 0.37-0.49
1
0.70-0.90
>
_
1.00
>
_
1.25
0.65-1.10 0.65-1.10
>
_
>
_
0.08
>
_
2
>
_
0.08
>
_
2
>
_
0.08
>
_
2
>
_
0.08
>
_
2
P max. %
0.04
0.04
0.04
0.035
0.04
0.06
0.035
0.035
0.045
0.045
0.045
0.045
S max. %
0.05
0.05
0.03
0.04
0.03
0.06
0.04
0.04
0.03
0.03
0.03
0.03
Si %
>
_
0.40
>
_
0.40
>
_
1
0.15-0.35
>
_
1
>
_
1
0.15-0.35 0.15-0.35
Ni %
4-6
Cr %
11.5-13.5 12-14
0.40-0.65 0.20-0.30
Mo %
0.75-1.20 0.75-1.20
>
_
1
>
_
1
>
_
1
>
_
1
8-11
9-12
10-14
9-12
18-20
17-19
16-18
17-19
0.15-0.25 0.15-0.25
2-3
5xC+N
min.
0.7 max.
Ti %
_
>
Se %
0.15
10xC.
min.
Cb + Ta %
Brinell
Hardness
Limits
To 1 1/2”
inc.
248-327
159
248
248
228
228
248
159
126
126
126
126
Over 1 1/2”
212-327
235
327
327
271
271
327
235
300
300
300
300
4140
4140
304
321
316
347
EQUIVALENCE
AISI
1040
1040
501
410
UNS
K04002
K04002
550100
DIN
C45
C45
12CrMo
19-5
X10Cr13
W-NR
1.1191
1.1191
1.7362
1.4006
K14510
S41000
416 Se
S41623 G41400 S 30400 S 32100 G 41400 S 31600 S34700
42CrMo4 42CrMo4
1.7225
1.7225
X5CrNi
18.8
X10CrNi X5CrNi
Mo
Ti 18.10 17-12-2
X6CrNi
Nb
18.10
1.4301
1.4541
1.4550
1.4401
• Please enquire for the material available
8
Unbrako
®
Influence Of Chemicals In Steel
Steel alloys using difference chemical elements are produced in order to improve the physical
properties of the material and to achieve special properties:
Carbon (C)
Although this is not considered to be an alloying element, it is the most important component in
steel. It improves tensile strength, hardness and abrasion resistance. It reduces ductility, rigidity
and machining.
Manganese (Mn)
This is an oxidiser and degasifier and reacts with sulphur to improve forgeability. It increases
tensile strength, hardness and durability.
Phosphorus (P)
This increases tensile strength and hardness and improves machinability. It causes fragility in steel.
Sulphur (S)
Improves machining qualities in the presence of manganese. It reduces weldability, impact,
roughness, and ductility.
Silicon (Si)
This is a deoxidiser and degasifier. It increases tensile strength, elasticity, hardness and forgeability.
Chromium (Cr)
Increase breaking strength, hardness, durability, roughness, and resistance to high temperatures.
Nickel (Ni)
This raises strength and hardness, while maintaining ductility and rigidity. It increases resistance
to cracking and high temperatures.
Molybdenum (Mo)
This increases strength, hardness, durability, and rigidity, together with resistance to creaking
and to high temperatures.
Titanium (Ti)
This is used as a stabilising element in stainless steels. It has a great affinity for carbon.
9
Properties Of Steel
QUALITY
B6
B7
PROPERTY
Good resistance in corrosive environments (crude oil, petroleum, organic acids, organic
solvents, ammonia), but not in highly corrosive environments. Good resistance to corrosion
up to a temperature of 6500C, good weldability.
Good strength and hardness, above all for uses in conditions of high temp. (-100C to +4270C)
Applications: Petrochemicals, valves, pumps.
B7M
Similar to B7 but with lower mechanical properties.
Applications: Petrochemical Industry.
B16
Prescribed for good strength and hardness in conditions of high temp. (-100C to +5580C)
B8 (A- 193)
Used in temperatures of between -1960C and +5380C. Good resistance to intercrystalline
corrosion, and excellent weldability.
Applications: Petrochemicals, chemicals, pharmaceuticals, foodstuffs and ironwork.
B8 (A- 320)
Good resistance to corrosion. Suitable for uses at low temperatures (-2540C to +5000C)
Applications: Chemical, pharmaceutical, and foodstuffs Industries.
B8M (A-193)
Excellent resistance to intercrystalline corrosion and to corrosion caused by Cl ions.
Temperature range (-1960C to + 5380C).
B8M (A-320)
Good resistance to corrosion. Indicated for temperatures between -1960C and +500C.
Applications: Chemical and petrochemical industries.
B8C (A-193)
High resistance to intergranular corrosion and oxidation. Used for temperatures of (-1960C to +5380C).
Applications: Petrochemical industry, changes of temperature and in the construction of structures for
chemical plants.
B8C (A-320)
Good resistance to corrosion. Indicated for temperatures of (-2540C to +500C).
Applications: Chemical and petrochemical industries.
B8T (A-193)
Indicated for the range of temperatures between (-1960C to +5380C). High resistance to
intergranular corrosion Due to the presence of Titanium. Good weldability without the requirement
for additional heat treatment.
Applications: Petrochemical, chemical, foodstuffs industries, and energy generator plants.
B8T (A-320)
Used for temperatures of (-1010C /+5000C). Applications: petrochemical Industry.
B5
For use in high temperature conditions.
Applications: Petrochemical industry, valves and flanges.
10
Unbrako
®
Properties Of Steel
QUALITY
GR.660
L7
L7M
PROPERTY
Excellent mechanical properties for use at high temperatures.
Applications : Pressure equipment and flangers
Good strength and hardness, excellent for use at low temp. (-1010C to +500C).
Similar to L7 but with lower mechanical properties.
Monel 400
High strength, good weldability, perfect resistance to corrosion under a wide range of temp and
conditions (sea water, mineral and organic acidity).
Applications: Valves, pumps, marine installations, petrochemical plants, changes of temperature,
and for uses in contact with sulphuric and hydrochloric acids.
Monel 500
Greater mechanical strength and resistance to abrasion than Monel 400.
Applications: Valve, pumps, petrochemical plants, and fasteners.
Inconel 600
Excellent resistance to both oxidising and reducing environments, as well as in corrosive
environments at high temp.
Applications: Equipment for the chemical, textile, foodstuffs industries and kilns.
Inconel 625
Great mechanical strength from cryogenic temp up to very high temp (11000C). Excellent resistance
to fatigue and oxidation.
Applications: Chemical industry, marine equipment, pipes and valves.
Incoloy 800H
Resistance to corrosion and carbonisation at high temp (up to 11000C). Resistant to attack by
sulphides, corrosion and pickling.
Applications: Changes of temperature, heat equipment, generators.
Incoloy 825
Hastelloy C276
Duplex 2205
Superduplex
32760
Excellent resistance to breaking due to corrosion, resistant to oxidising and reducing environments.
Applications: Deoxidising tanks, chemical industry, pollution control systems.
Good resistance to breaking due to corrosion in the presence of chlorine compounds, resistance to
intercrystalline corrosion.
Application: Employed in environment with sever chemical processes, in the paper industry, and in
pollution control.
Very high resistance to breaking due to corrosion.
Application: Chemical and oil industries, pipes, flanges, valves for use at high temp.
Perfect resistance to interstitial corrosion and corrosive environments.
Application: Marine installations and petrochemical industries,
11
Dimensions Of Metric Nuts
Metric Nuts In 2H Material Are Manufactured To DIN 934, H=D Dimensions.
METRIC SERIES
Size
Diameter
Across Flat
(Min/Max)
Nut Height
ISO Thread
(Pitch)
Weight (kg) Per
100 Nuts
M8
13
8
1,25
0,6
M 10
17
10
1,50
1,4
M 12
19
12
1,75
2
M 14
22
14
2,00
3,1
M 16
24
16
2,00
4
M 18
27
18
2,50
5,8
M 20
30
20
2,50
7,9
M 22
32
22
2,50
9,4
M24
36
24
3,00
13,7
M 27
41
27
3,00
20
M 30
46
30
3,50
28,4
M 33
50
33
3,50
36,1
M 36
55
36
4,00
48,3
M 39
60
39
4,00
62,3
M 42
65
42
4,50
79,5
M 45
70
45
4,50
98,8
M 48
75
48
5,00
122
M 52
80
52
5,00
147
M 56
85
56
5,50
177
M 60
90
60
5,50
208
M 64
95
64
6,00
245
M 68
100
68
6,00
284
M 72
105
72
6,00
327
M 76
110
76
6,00
374
M 80
115
80
6,00
425
M 85
120
85
6,00
483
M 90
130
90
6,00
606
M 95
135
95
6,00
680
M 100
145
100
6,00
835
12
Unbrako
®
Dimensions Of Imperial Nuts
For Imperial Studbolts Heavy Hexagon Nuts Are Used,
Complying To AS 2528 & ANSI B18 2.2 For Heavy Hex Nuts.
UNC/UN8 INCH SERIES
Nut Height
Across Flat
Threads Per
Inch (Pitch)
Weight (kg) Per
100 Nuts
3/8”
16
1.4
19
7/16”
14
1.9
0.500
22.2
1/ 2”
13
3.0
9/16”
0.562
23.8
9/16”
12
3.7
5/8”
0.625
27
5/8”
11
5.4
3/4”
0.750
31.7
3/4”
10
8.8
7/8”
0.875
36.5
7/8”
9
13.5
1”
1.000
41.2
1”
8
19.3
1 1/8”
1.125
46
1 1/8”
8
26.9
1 1/4”
1.250
50.8
1 1/4”
8
35.7
1 3/8”
1.375
55.5
1 3/8”
8
46.3
1 1/2”
1.500
60.3
1 1/2”
8
59.5
1 5/8”
1.625
65
1 5/8”
8
73.6
1 3/4”
1.750
69.8
1 3/4”
8
92.7
1 7/8”
1.875
74.6
1 7/8”
8
109.5
2”
2.000
79.3
2”
8
135.8
2 1/4”
2.250
88.9
2 1/4”
8
190.3
2 1/2”
2.500
98.4
2 1/2”
8
256.0
2 3/4”
2.750
108
2 3/4”
8
335.0
3”
3.000
118
3”
8
432.0
3 1/4”
3.250
127
3 1/4”
8
543
3 1/2”
3.500
136.5
3 1/2”
8
694
3 3/4”
3.750
146
3 3/4”
8
824
4”
4.000
155.6
4”
8
991
Size
Diameter
In
mm
Min/Max
3/8”
0.375
17.4
7/16”
0.437
1/2”
13
ASTM F436-M Washer
Washer
Size, mm
Inside
Diameter, mm
Outside
Diameter, mm
Thickness, mm
max
min
max
min
max
min
12
14.4
14.0
27.0
25.7
4.6
3.1
14
16.4
16.0
30.0
28.7
4.6
3.1
16
18.4
18.0
34.0
32.4
4.6
3.1
20
22.5
22.0
42.0
40.4
4.6
3.1
22
24.5
24.0
44.0
42.4
4.6
3.4
24
26.5
26.0
50.0
48.4
4.6
3.4
27
30.5
30.0
56.0
54.1
4.6
3.4
30
33.6
33.0
60.0
58.1
4.6
3.4
36
39.6
39.0
72.0
70.1
4.6
3.4
42
45.6
45.0
84.0
81.8
7.2
4.6
48
52.7
52.0
95.0
92.8
7.2
4.6
56
62.7
62.0
107.0
104.8
8.7
6.1
64
70.7
70.0
118.0
115.8
8.7
6.1
72
78.7
78.0
130.0
127.5
8.7
6.1
80
86.9
86.0
142.0
139.5
8.7
6.1
90
96.9
96.0
159.0
156.5
8.7
6.1
100
107.9
107.0
176.0
173.5
8.7
6.1
Chemical Requirements ASTM F-436M
Element
Phosphorus, max
Sulfur, max
Silicon
Chromium
Nickel
Copper
Composition.%
Type 1
Type 3
0.040
0.040
0.050
0.050
.....
0.15-0.35
.....
0.45-0.65
.....
0.25-0.45
.....
0.25-0.45
Mechanical Properties ASTM-F-436M
Hardness 38-45 HRC
Hardness for hot dip Galvanised finish 26-45 HRC
14
Unbrako
®
ASTM F436 Washer, Inch
Diameter(ID),
1/4
0.625
5/16
Size
Thickness(T), Inch
Inside
Outside
Diameter(OD)
Inch
Min
Max
0.281
0.051
0.080
0.688
0.344
0.051
0.080
3/8
0.813
0.406
0.051
0.080
7/16
0.922
0.469
0.051
0.080
1/2
1.063
0.531
0.097
0.177
9/16
1.188
0.625
0.110
0.177
5/8
1.313
0.688
0.122
0.177
3/4
1.468
0.813
0.122
0.177
7/8
1.750
0.938
0.136
0.177
1
2.000
1.063
0.136
0.177
1 1/8
2.250
1.188
0.136
0.177
1 1/4
2.500
1.375
0.136
0.177
1.500
0.136
0.177
1.625
0.136
0.177
1.875
0.178B
0.28B
B
1 3/8
1 1/2
1 3/4
2.750
3.000
3.375
Inch
2
3.750
2.125
0.178
0.28B
2 1/4
4.000
2.375
0.24C
0.34C
2 1/2
4.500
2.625
0.24C
0.34C
2 3/4
5.000
2.875
0.24C
0.34C
3
5.500
3.125
0.24C
0.34C
3 1/4
6.000
3.375
0.24C
0.34C
3 1/2
6.500
3.625
0.24C
0.34C
3 3/4
7.000
3.875
0.24C
0.34C
4
7.500
4.125
0.24C
0.34C
B
Chemical Requirements ASTM F-436
Element
Phosphorus, max
Sulfur, max
Silicon
Chromium
Nickel
Copper
3/16 Inch Nominal
C
1/4 Inch Nominal
Composition.%
Type 1
Type 3
0.040
0.040
0.050
0.050
.....
0.15-0.35
.....
0.45-0.65
.....
0.25-0.45
.....
0.25-0.45
Mechanical Properties ASTM-F-436
Hardness 38-45 HRC
Hardness for hot dip Galvanised finish 26-45 HRC
15
Preparation For Assembly
1. The gasket seating surfaces should be inspected for cracks, scratches, tool marks or pitting. If necessary
rework the flanges.
2. Clean and inspect each studbolt and nut. Nuts should run freely on the studbolt.
3. Make sure that compatible materials of studbolts and nuts are used.
Recommended Fasteners For Different Working Conditions
SERVICE CONDITION
STUDBOLTS
NUTS
HIGH PRESSURE
HIGH TEMPERATURE
ASTM A193 Gr. B5
ASTM A193 Gr. B6
ASTM A193 Gr. B7
ASTM A193 Gr. B7.M
ASTM A193 Gr. B16
ASTM A 453 Gr. 660
ASTM A 453 Gr. 651
ASTM A194 Gr. 3
ASTM A194 Gr. 6
ASTM A194 Gr. 2H
ASTM A194 Gr. 2HM
ASTM A194 Gr. 4or7
ASTM A194 Gr. 8C
ASTM A193 Gr. 8C
HIGH TEMPERATURE
HIGH CORROSIVE
ASTM A193 Gr. B8
ASTM A193 Gr. B8L
ASTM A193 Gr. B8M
ASTM A193 Gr. B8ML
ASTM A194 Gr. 8
ASTM A194 Gr. 8L
ASTM A194 Gr. 8M
ASTM A194 Gr. 8ML
HIGH PRESSURE
ASTM A320 Gr. L7
ASTM A194 Gr. 4 or 7
LOW TEMPERATURE
ASTM A320 Gr. L43
ASTM A194 Gr. 7
LOW TEMPERATURE
ASTM A320 Gr. B8
ASTM A320 Gr. B8C
ASTM A320 Gr. B8M
ASTM A320 Gr. B8T
ASTM A194 Gr. 8
ASTM A194 Gr. 8C
ASTM A194 Gr. 8M
ASTM A194 Gr. 8T
4. Lubricate all studbolts and nuts with suitable parting lubricants or anti-seize compounds, including all
thread contact areas and nut faces in the process. Different lubricants produce changes to the coefficient
of friction between the bolt and nut threads. Approximate values are shown in the following table.
However, note that surface finish of flanges may also affect these values.
.
16
Unbrako
®
Preparation For Assembly
Lubricant
Coefficient of Friction
No lubricant. clean stainless steel studbolts & nuts
0.30
No lubricant. clean steel studbolts & nuts
0.25
Zinc plated, dry
0.29
Machine oil
0.20
Molybdenum disulphide based grease
0.15
Copper based anti-seize
0.15
Solid PTFE film
0.04 to 0.10
For a given torque, clamping load applied by the studbolts and nuts increases as the coefficient of friction
decreases. And a lower coefficient of friction means a better chance of producing reliable joints.
5. Inspect the gasket for any damage or imperfections and ensure the gasket is suitable for the flange
operating conditions of temperature, pressure and material being sealed.
Assembly And Tightening
During Assembly, gaskets are usually placed between the flanges being bolted. First, roughly align
the gasket in the joint by inserting a few bolts at the top of the flange. Then, lightly tighten all the
other bolts. During the Tightening process the correct sequence (as illustrated below) should be used.
Tightening should be continued in a clockwise manner until the desired torque is achieved. If using a
torque wrench make sure it is properly calibrated.
.
16
1
12
1
3
4
3
4
2
7
6
2
11
17
5
13
20
9
10
9
8
5
8
24 1
12
21
4
3
22
11
19
14
7
6
18
10
2
23
15
The sketch above shows the sequence for 4, 12 and 24 bolt flanges
17
18
Unbrako
®
Tightening Torques
In the following pages tightening torque figures are calculated for the studbolt range. We have assumed coefficient of
friction of 0.20, and torque figures have been generated for clamping loads of 30%, 44% and 60% of yield loads.
Adjustments where necessary should be made. Tightening torque is calculated as T=KDP, whereby T = Tightening
Torque, K = Coefficient of Friction, D = Diameter of Stud Bolt and P = Induced Load.
.
Common industry practice for industrial bolting is to specify tightening torques to develop clamping loads of
60% to 65% of yield load. However, for studbolts, field experience suggests that clamping loads of more than
44% of yield load may cause deformation of flanges and difficulty in sealing joints. This fact should be accounted
for in estimating tightening torque values. Some authorities adopt the flange deformation stress as the controlling
factor. This allows the selection of single bolt stress value for a range of pipe classes even if different bolt types are
in use.
.
ASTM A-193 Grade B-7 Stud Bolts Metric Dimensions
Dia
mm
Yield Strength
ksi [MPA] min
Tensile Strength
ksi [MPa] min
_< M64
125
[860]
105
[720]
Tightening Torques
Thread
Pitch
Yield
Load
KN
Yield
Load
Ibf
M10
1.50
41.8
M12
1.75
M14
Dia
mm
For 30% of Yield Load
ft. Ibs
Nm
ft.lbs
Nm
ft.lbs
Nm
9397
18
25
27
37
37
50
60.7
13646
32
44
47
64
64
87
2.00
82.8
18614
51
69
75
102
102
139
M16
2.00
113.0
25403
80
108
117
159
150
217
M18
2.50
138.2
31069
110
149
161
219
220
299
M20
2.50
176.4
39656
156
212
229
310
312
423
M22
2.50
218.2
49053
211
288
311
422
424
576
M24
3.00
254.2
57146
270
366
396
537
540
732
M27
3.00
330.5
74300
395
536
579
785
790
1071
M30
3.50
403.9
90800
536
727
786
1066
1071
1454
M33
3.50
499.7
112337
729
989
1069
1451
1458
1979
M36
4.00
588.2
132233
936
1271
1373
1863
1872
2541
M39
4.00
702.7
157973
1212
1644
1777
2412
2423
3289
NOTE:- Torque values calculated are for initial guidance only and should be checked as per actual usage.
19
Tightening Torques
ASTM A193 GRADE B7,B-16 & ASTM A-320 L-7 Studbolts Imerial Dimensions
Tensile Strength
ksi [MPa] min
Dia
inch
Yield Strength
ksi [MPA] min
_< 2 ½
125
[860]
105
[720]
> 2 ½ to 4
115
[795]
95
[655]
Tightening Torques
Dia
inch
Thread
Yield Load
Ibf
Yield Load
N
ft.lbs
Nm
ft.lbs
Nm
ft.lbs
Nm
3/8
16 UNC
8140
36210
15
21
22
30
31
41
7/16
14 UNC
11130
49510
24
33
36
48
49
66
1/2
13 UNC
14910
66325
37
51
55
74
75
101
9/16
12 UNC
19110
85005
54
73
79
107
107
146
5/8
11 UNC
23730
105550
74
101
109
147
148
201
3/4
10 UNC
35070
156000
132
178
193
262
263
357
7/8
9 UNC
48510
215780
212
288
311
422
424
575
1
UN8
63630
283040
318
431
467
633
636
862
11/8
UN8
82950
368980
467
633
684
928
933
1265
1 1/4
UN8
105000
467065
656
890
963
1305
1313
1780
1 3/8
UN8
129465
575890
890
1207
1305
1770
1780
2414
1½
UN8
156660
696860
1175
1593
1723
2336
2350
3186
1 5/8
UN8
186900
831370
1519
2060
2227
3020
3037
4118
1 3/4
UN8
218400
971490
1911
2591
2803
3801
3822
5182
1 7/8
UN8
253050
1125620
2372
3216
3479
4717
4745
6433
2
UN8
290850
1293765
2909
3944
4266
5784
5817
7887
2 1/4
UN8
373800
1662745
4205
5638
6099
8269
8411
11276
2½
UN8
466200
2073760
5828
7902
8547
11588
11655
15802
2 3/4
UN8
515850
2294615
7093
9617
10403
14105
14186
19234
3
UN8
618450
2751005
9277
12578
13607
18447
18554
25155
3 1/4
UN8
730550
3249650
11871
16096
17411
23607
23743
32191
3 1/2
UN8
851200
3786325
14896
20196
21847
29621
29792
40393
20
Unbrako
®
Tightening Torques
ASTM A-193 Grade B-7M Stud Bolts Imperial Dimensions
Dia
_< 2 1/2
Tensile Strength
ksi [MPa]min
100
[690]
Yield Strength
ksi [MPA] min
[550]
80
Tightening Torques
Dia
Thread
Yield
Load
lbf
Yield
Load
N
ft. Ibs
Nm
ft.lbs
Nm
ft.lbs
Nm
1/2
UNC
11360
50532
28
38
42
56
57
77
9/16
UNC
14560
64766
41
55
60
81
82
111
5/8
UNC
18080
80424
57
77
83
112
113
153
3/4
UNC
26720
118857
100
136
147
199
200
272
7/8
UNC
36960
164406
162
219
237
322
323
438
1
UNC
48480
215650
242
329
356
482
485
657
1 1/8
UN8
63200
281127
356
482
521
707
711
964
1 1/4
UN8
80000
355858
500
678
733
994
1000
1356
1 3/8
UN8
98640
438773
678
919
995
1349
1356
1839
1½
UN8
119360
530940
895
1214
1313
1780
1790
2427
1 5/8
UN8
142400
633427
1157
1569
1697
2301
2314
3137
1 3/4
UN8
166400
740184
1456
1974
2135
2895
2912
3948
1 7/8
UN8
192800
857617
1808
2451
2651
3594
3615
4901
2
UN8
221600
985726
2216
3005
3250
4407
4432
6009
21
Proof Load (Metric)
Proof Load Using Threaded Mandrel
Nominal
Size
Inch (mm)
Proof Looad, KNA
Thread
Pitch
Stress
Area
mm2
HexB
Grade 1
HexC
Grades 2, 2HM, 6,
6F, 7M
HexD
Grades 2H, 3, 4,
7, 16
HexE
All Types of Grade 8,
& Grades 9C and 9CA
M6
1.0
20.1
16.6
18.7
20.8
10.4
M8
1.25
36.6
30.2
34.0
37.9
18.8
M10
1.50
58.0
47.9
53.9
60.0
29.9
M12
1.75
84.3
69.5
78.4
87.3
43.4
M14
2.0
115.0
94.9
107.0
119.0
59.2
M16
2.0
157.0
129.5
146.0
162.5
80.9
M20
2.5
245.0
202.1
227.8
253.6
126.2
M22
2.5
303.0
249.9
281.8
313.6
156.0
M24
3.0
353.0
291.2
328.3
365.4
181.8
M27
3.0
459.0
378.7
426.9
475.1
236.4
M30
3.5
561.0
462.8
521.7
580.6
288.9
M36
4.0
817.0
674.0
759.8
845.6
420.8
NOTE: Proof loads are not design loads.
A See limit for proof load test in 18.2.2.1. The proof load for jam nut shall be 46% of the tabulated load.
B Based on proof stress of 825 Mpa.
C Based on proof stress of 935 Mpa.
D Based on proof stress of 1205 Mpa.
E Based on proof stress of 515 Mpa.
22
Unbrako
®
Proof Load (Imperial)
Proof Load Using Threaded Mandrel
Nominal Size
Inch [mm]
Treads per
inch
[25.4 mm]
Proof Looad, KNA
Stress Area,
inch2 [mm2]
Heavy HexB
Grade 1
inch2 [mm2]
C
D
E
Heavy Hex
Heavy Hex
Heavy Hex
Gr. 2, 2HM, 6, 6F, 7M
inch2 [mm2]
Gr. 2H, 3, 4, 7, 16
inch2 [mm2]
All Types of grade 8
inch2 [mm2]
1/4
[6.4]
20
0.0316
[20.4]
4 130
[18.4]
4 770
[21.2]
5 570
[24.8]
2 540
[11.3]
5/16
[7.9]
18
0.0524
[33.8]
6 810
[30.3]
7 860
[35.0]
9 170
[40.8]
4 190
[18.6]
3/8
[9.5]
16
0.0774
[49.9]
10 080
[44.8]
11 620
[51.7]
13 560
[60.3]
6 200
[27.6]
7/16
[11.1]
14
0.1063
[68.6]
13 820
[61.5]
15 940
[70.9]
18 600
[82.7]
8 500
[37.8]
1/2
[12.7]
13
0.1419
[91.5]
18 450
[82.1]
21 280
[94.6]
24 830
[110]
11 350
[50.5]
9/16
[14.2]
12
0.182
[117]
23 660
[105]
27 300
[121]
31 850
[142]
14 560
[64.8]
5/8
[15.9]
11
0.226
[146]
29 380
[131]
33 900
[151]
39 550
[176]
18 080
[80.4]
3/4
[19]
10
0.334
[215]
43 420
[193]
50 100
[223]
58 450
[260]
26 720
[119]
7/8
[22.2]
9
0.462
[298]
60 060
[267]
69 300
[308]
80 850
[360]
36 960
[164]
1
[25.4]
8
0.606
[391]
78 780
[350]
90 900
[404]
106 000
[472]
48 480
[216]
1/8
[28.6]
8
0.79
[510]
102 700
[457]
118 500 [527]
138 200
[615]
63 200
[281]
1/4
[31.8]
8
1.000
[645]
130 000
[578]
150 000 [667]
175 000
[778]
80 000
[356]
3/8
[34.9]
8
1.233
[795]
160 200
[713]
185 000 [823]
215 800
[960]
98 640
[439]
1/2
[38.1]
8
1.492
[962]
194 000
[863]
223 800 [996]
261 100 [1161]
119 360
[531]
1
1
1
1
NOTE: Proof loads are not design loads.
A See limit for proof load test in 18.2.2.1. The proof load for jam nut shall be 46% of the tabulated load.
B Based on proof stress of 130,000 psi
C Based on proof stress of 150,000 psi
D Based on proof stress of 175,000 psi
E Based on proof stress of 80,000 psi
23
(Pn20) (Class 150)
DN 750, 900 TO BS 3293 DIN 15 TO 600 CONFORM TO ANSI B16.5
STUDBOLTS REQUIRED
Flange Nominal Size
Quantity
Size
Length (For Flange RF Type)
inches
mm
inches
4
1/2”
65
2 1/2”
3/4”
4
1/2”
65
2 1/2”
25
1”
4
1/2”
70
2 3/4”
32
1 1/4”
4
1/2”
70
2 3/4”
40
1 1/2”
4
1/2”
75
3”
50
2”
4
5/8”
85
3 1/4”
65
2 1/2”
4
5/8”
90
3 1/2”
80
3”
4
5/8”
95
3 3/4”
90
3 1/2”
8
5/8”
95
3 3/4”
100
4”
8
5/8”
95
3 3/4”
125
5”
8
3/4”
100
4”
150
6”
8
3/4”
100
4”
200
8”
8
3/4”
110
4 1/4”
250
10”
12
7/8”
120
4 3/4”
300
12”
12
7/8”
120
4 3/4”
350
14”
12
1”
135
5 1/4”
400
16”
16
1”
140
5 1/2”
450
18”
16
1 1/8”
150
6”
500
20”
20
1 1/8”
160
6 1/4”
600
24”
20
1 1/4”
180
7”
750
30”
28
1 1/4”
190
7 1/2”
900
36”
32
1 1/2”
215
8 1/2”
DN
NPS
15
1/2”
20
NOTE
1. Imperial lengths are an approximate conversion.
2. Face height of 2mm is included in stud length for RF type flange.
3. Stud bolt length does not include points (refer to how to measure).
4. Stud bolt lengths are rounded to nearest 5mm.
24
Unbrako
®
(Pn50) (Class 300)
DN 750, 900 TO BS 3293 DIN15 TO 600 CONFORM TO ANSI B16.5
STUDBOLTS REQUIRED
Flange Nominal Size
Quantity
Size
inches
mm
inches
4
1/2”
65
2 1/2”
3/4”
4
5/8”
75
3”
25
1”
4
5/8”
80
3 1/4”
32
1 1/4”
4
5/8”
80
3 1/4”
40
1 1/2”
4
3/4”
90
3 1/2”
50
2”
4
5/8”
90
3 1/2”
65
2 1/2”
4
3/4”
100
4”
80
3”
4
3/4”
110
4 1/4”
90
3 1/2”
8
3/4”
110
4 1/4”
100
4”
8
3/4”
110
4 1/4”
125
5”
8
3/4”
120
4 3/4”
150
6”
8
3/4”
125
5
200
8”
8
7/8”
140
5 1/2”
250
10”
12
1”
160
6 1/4”
300
12”
12
1 1/8”
170
6 6/4”
350
14”
12
1 1/8”
180
7”
400
16”
16
1 1/4”
190
7 1/2”
450
18”
16
1 1/4”
195
7 3/4”
500
20”
20
1 1/4”
210
8 1/4”
600
24”
20
1 1/2”
230
9
750
30”
28
1 3/4”
290
11 1/2”
900
36”
32
2”
325
12 3/4”
DN
NPS
15
1/2”
20
NOTE:1. Imperial lengths are an approximate conversion.
25
(Pn100) (Class 600)
STUDBOLTS REQUIRED
Flange Nominal Size
Quantity
Size
inches
mm
inches
4
1/2”
80
3 1/4”
3/4”
4
5/8”
90
3 1/2”
25
1”
4
5/8”
90
3 1/2”
32
1 1/4”
4
5/8”
100
4”
40
1 1/2”
4
3/4”
110
4 1/4”
50
2”
8
5/8”
110
4 1/4”
65
2 1/2”
8
3/4”
120
4 3/4”
80
3”
8
3/4”
125
5
90
3 1/2”
8
7/8”
140
5 1/2”
100
4”
8
7/8”
145
5 3/4”
125
5”
8
1”
165
6 1/2”
150
6”
12
1”
170
6 3/4”
200
8”
12
1 1/8”
195
7 3/4”
250
10”
16
1 1/4”
215
8 ½”
300
12”
20
1 1/4”
220
8 3/4”
350
14”
20
1 3/8”
235
9 1/4”
400
16”
20
1 1/2”
355
10”
450
18”
20
1 5/8”
275
10 3/4”
500
20”
24
1 5/8”
290
11 1/2”
600
24”
24
1 7/8”
330
13”
750
30”
28
2”
355
14”
900
36”
28
2 1/2”
400
15 3/4”
DN
NPS
15
1/2”
20
NOTE
26
Unbrako
®
(Pn150) (Class 900)
STUDBOLTS REQUIRED
Flange Nominal Size
Quantity
Size
inches
mm
inches
4
3/4”
110
4 1/4”
3/4”
4
3/4”
115
4 1/2”
25
1”
4
7/8”
125
5”
32
1 1/4”
4
7/8”
125
5”
40
1 1/2”
4
1”
140
5 1/2”
50
2”
8
7/8”
145
5 3/4”
65
2 1/2”
8
1”
160
6 1/4”
80
3”
8
7/8”
145
5 3/4”
100
4”
8
1 1/8”
170
6 3/4”
125
5”
8
1 1/4”
190
7 1/2”
150
6”
12
1 1/8”
195
7 3/4”
200
8”
12
1 3/8”
220
8 3/4”
250
10”
16
1 3/8”
235
9 1/4”
300
12”
20
1 3/8”
255
10”
350
14”
20
1 1/2”
275
10 3/4”
400
16”
20
1 5/8”
290
11 1/2”
450
18”
20
1 7/8”
325
12 3/4”
500
20”
20
2”
345
13 1/2”
600
24”
20
2 1/2”
440
17 1/4”
DN
NPS
15
1/2”
20
27
(PN250) (Class 1500)
DIN 15 TO 600 CONFORM TO ANSI B16.5
STUDBOLTS REQUIRED
Flange Nominal Size
Quantity
Size
inches
mm
inches
4
3/4”
110
4 1/4”
3/4”
4
3/4”
115
4 1/2”
25
1”
4
7/8”
125
5”
32
1 1/4”
4
7/8”
125
5”
40
1 1/2”
4
1”
140
5 1/2”
50
2”
8
7/8”
145
5 3/4”
65
2 1/2”
8
1”
160
6 1/4”
80
3”
8
7/8”
180
7”
100
4”
8
1 1/8”
195
7 3/4”
125
5”
8
1 1/4”
250
9 3/4”
150
6”
12
1 1/8”
260
10 1/4”
200
8”
12
1 3/8”
290
11 1/2”
250
10”
12
1 3/8”
335
13 1/4”
300
12”
16
1 3/8”
375
14 3/4”
350
14”
16
1 ½”
405
16”
400
16”
16
1 5/8”
445
17 1/2”
450
18”
16
1 7/8”
495
19 ½”
500
20”
16
2”
545
21 1/2”
600
24”
16
2 1/2”
615
24 1/4”
DN
NPS
15
1/2”
20
NOTE
28
Unbrako
®
(PN420) (Class 2500)
DIN 15 TO 300 COMPLIES TO ANSI B16.5
STUDBOLTS REQUIRED
Flange Nominal Size
Quantity
Size
inches
mm
inches
4
3/4”
125
5”
3/4”
4
3/4”
125
5”
25
1”
4
7/8”
140
5 1/2”
32
1 1/4”
4
1”
150
6
40
1 1/2”
4
1 1/8”
170
6 3/4”
50
2”
8
1”
180
7
65
2 1/2"
8
1 1/8”
195
7 3/4
80
3”
8
1 1/4”
220
8 3/4
100
4”
8
1 1/2”
255
10”
125
5”
8
1 3/4”
300
11 3/4”
150
6”
8
2”
350
13 3/4”
200
8”
12
2”
380
15”
250
10”
12
2 1/2”
485
19”
300
12”
12
2 3/4”
545
21 1/2”
DN
NPS
15
1/2"
20
29
Product Weight
Totally Threaded With 2 Heavy Hexagonal Nuts
WEIGHT (kg) FOR 1 PIECE
Dia
Length
3/8”
7/16”
1/2”
9/16”
5/8”
3/4”
7/8”
1”
50
60
65
70
75
80
90
95
100
110
115
120
125
130
140
145
150
160
165
170
180
185
190
195
200
210
215
220
230
235
240
250
255
260
265
275
0.054
0.056
0.061
0.063
0.065
0.069
0.071
0.074
0.076
0.080
0.082
0.084
0.086
0.091
0.093
0.095
0.097
0.102
0.104
0.106
0.110
0.112
0.114
0.117
0.121
0.123
0.125
0.127
0.132
0.134
0.136
0.140
0.142
0.145
0.147
0.151
0.073
0.076
0.082
0.085
0.087
0.093
0.096
0.099
0.102
0.108
0.111
0.114
0.117
0.123
0.126
0.128
0.131
0.137
0.140
0.143
0.149
0.152
0.155
0.158
0.164
0.167
0.169
0.172
0.178
0.181
0.184
0.19
0.193
0.196
0.199
0.205
0.108
0.113
0.121
0.125
0.129
0.137
0.141
0.145
0.149
0.157
0.161
0.165
0.169
0.177
0.181
0.185
0.189
0.197
0.201
0.205
0.213
0.217
0.221
0.225
0.233
0.237
0.241
0.245
0.253
0.257
0.261
0.269
0.274
0.278
0.282
0.290
0.135
0.140
0.150
0.155
0.160
0.170
0.174
0.179
0.184
0.194
0.199
0.204
0.209
0.219
0.224
0.229
0.234
0.244
0.249
0.254
0.264
0.269
0.224
0.279
0.289
0.294
0.299
0.304
0.314
0.319
0.324
0.334
0.339
0.344
0.349
0.359
0.172
0.178
0.191
0.197
0.203
0.216
0.122
0.229
0.235
0.248
0.254
0.261
0.267
0.28
0.286
0.292
0.299
0.311
0.318
0.324
0.337
0.343
0.349
0.356
0.369
0.375
0.381
0.388
0.400
0.407
0.413
0.426
0.432
0.438
0.445
0.457
0.279
0.289
0.307
0.317
0.326
0.345
0.354
0.363
0.373
0.391
0.401
0.410
0.420
0.438
0.448
0.457
0.466
0.485
0.494
0.504
0.522
0.532
0.541
0.550
0.569
0.578
0.588
0.597
0.616
0.625
0.635
0.653
0.663
0.672
0.681
0.700
0.400
0.413
0.438
0.451
0.464
0.489
0.502
0.515
0.528
0.553
0.566
0.579
0.592
0.617
0.630
0.643
0.656
0.681
0.694
0.707
0.733
0.745
0.758
0.771
0.797
0.809
0.822
0.835
0.861
0.873
0.886
0.912
0.925
0.937
0.950
0.976
0.554
0.571
0.604
0.621
0.638
0.671
0.688
0.705
0.722
0.755
0.772
0.789
0.806
0.839
0.856
0.870
0.890
0.923
0.940
0.957
0.991
1.007
1.024
1.041
1.075
1.091
1.108
1.125
1.159
1.175
1.192
1.226
1.243
1.259
1.276
1.310
2”
2.1/4”
2.1/2”
2.3/4”
3”
3.1/4”
3.1/2”
3.3/4”
4”
4.1/4”
4.1/2”
4.3/4”
5”
5.1/4”
5.1/2”
5.3/4”
6”
6.1/4”
6.1/2”
6.3/4”
7”
7.1/4”
7.1/2”
7.3/4”
8”
8.1/4”
8.1/2”
8.3/4”
9”
9.1/4”
9.1/2”
9.3/4”
10”
10.1/4”
10.1/2”
10.3/4”
1.1/8” 1.1/4” 1.3/8” 1.1/2” 1.5/8” 1.3/4”
0.747
0.768
0.812
0.833
0.855
0.898
0.920
0.940
0.963
1.006
1.028
1.050
1.071
1.115
1.136
1.158
1.180
1.223
1.245
1.266
1.309
1.331
1.353
1.374
1.418
1.439
1.461
1.483
1.526
1.548
1.569
1.613
1.634
1.656
1.678
1.221
0.960
0.988
1.042
1.069
1.096
1.151
1.178
1.205
1.232
1.286
1.313
1.341
1.368
1.422
1.449
1.476
1.503
1.558
1.585
1.612
1.666
1.694
1.721
1.748
1.802
1.829
1.856
1.884
1.938
1.965
1.992
2.045
2.074
2.101
2.128
2.182
1.229
1.263
1.329
1.362
1.396
1.462
1.495
1.529
1.562
1.628
1.662
1.695
1.728
1.795
1.828
1.861
1.894
1.961
1.994
2.027
2.094
2.127
2.160
2.194
2.260
2.293
2.327
2.360
2.426
2.460
2.493
2.559
2.593
2.626
2.659
2.726
1.543
1.583
1.663
1.703
1.743
1.823
1.863
1.903
1.943
2.023
2.063
2.103
2.143
2.231
2.263
2.304
2.344
2.424
2.464
2.504
2.584
2.624
2.664
2.704
2.784
2.824
2.864
2.904
2.984
3.024
3.064
3.145
3.185
3.225
3.265
3.345
1.950
1.997
2.092
2.139
2.187
2.282
2.329
2.376
2.424
2.519
2.566
2.613
2.661
2.756
2.803
2.850
2.898
2.993
3.040
3.087
3.182
3.230
3.277
3.324
3.419
3.467
3.514
3.561
3.656
3.704
3.751
3.846
3.893
3.941
3.988
4.083
2.333
2.389
2.500
2.555
2.611
2.722
2.777
2.833
2.888
2.999
3.055
3.110
3.166
3.277
3.330
3.388
3.443
3.554
3.610
3.665
3.776
3.832
3.887
3.943
4.054
4.109
4.165
4.220
4.331
4.387
4.442
4.553
4.609
4.664
4.720
4.831
30
Unbrako
®
Product Weight
Dia
Length
3/8”
7/16”
1/2”
9/16”
5/8”
3/4”
7/8”
1”
280
285
290
300
305
310
320
325
330
335
345
350
355
360
370
375
380
385
395
400
405
415
420
425
430
440
445
450
455
465
470
475
485
490
495
500
0.153
0.155
0.158
0.162
0.164
0.166
0.168
0.173
0.175
0.177
0.181
0.183
0.186
0.188
0.192
0.194
0.196
0.199
0.203
0.205
0.207
0.209
0.214
0.216
0.218
0.222
0.224
0.227
0.229
0.233
0.235
0.237
0.242
0.244
0.246
0.248
0.208
0.210
0.213
0.219
0.222
0.225
0.228
0.234
0.237
0.240
0.246
0.249
0.251
0.254
0.260
0.263
0.266
0.269
0.275
0.278
0.281
0.284
0.290
0.292
0.295
0.301
0.304
0.307
0.310
0.316
0.319
0.322
0.328
0.331
0.333
0.336
0.294
0.298
0.302
0.310
0.314
0.318
0.322
0.330
0.334
0.338
0.346
0.350
0.354
0.358
0.366
0.370
0.374
0.378
0.386
0.390
0.394
0.398
0.406
0.410
0.414
0.422
0.426
0.430
0.435
0.443
0.447
0.451
0.459
0.463
0.467
0.471
0.364
0.369
0.374
0.384
0.389
0.394
0.399
0.409
0.414
0.419
0.429
0.434
0.439
0.444
0.454
0.459
0.464
0.469
0.479
0.483
0.488
0.493
0.503
0.508
0.513
0.523
0.528
0.533
0.538
0.548
0.553
0.558
0.568
0.573
0.578
0.583
0.464
0.470
0.476
0.489
0.496
0.502
0.508
0.521
0.527
0.534
0.546
0.553
0.559
0.565
0.578
0.584
0.591
0.597
0.610
0.616
0.623
0.629
0.642
0.648
0.654
0.667
0.673
0.680
0.686
0.699
0.705
0.711
0.724
0.730
0.737
0.743
0.709
0.719
0.728
0.747
0.756
0.765
0.775
0.794
0.803
0.812
0.831
0.840
0.850
0.859
0.878
0.887
0.896
0.906
0.924
0.934
0.943
0.952
0.971
0.981
0.990
1.009
1.018
1.027
1.037
1.055
1.065
1.074
1.093
1.102
1.111
1.127
0.989
1.001
1.014
1.040
1.053
1.065
1.078
1.104
1.117
1.129
1.155
1.168
1.181
1.193
1.219
1.232
1.245
1.257
1.283
1.296
1.309
1.327
1.347
1.360
1.373
1.398
1.411
1.424
1.437
1.462
1.475
1.488
1.513
1.526
1.539
1.552
1.327
1.343
1.360
1.394
1.411
1.427
1.461
1.478
1.495
1.511
1.545
1.562
1.579
1.595
1.629
1.646
1.663
1.679
1.713
1.730
1.747
1.763
1.797
1.814
1.831
1.864
1.881
1.898
1.915
1.948
1.965
1982
2.015
2.032
2.049
1.066
11”
11.1/4”
11.1/2”
11.3/4”
12”
12.1/4”
12.1/2”
12.3/4”
13”
13.1/4”
13.1/2”
13.3/4”
14”
14.1/4”
14.1/2”
14.3/4”
15”
15.1/4”
15.1/2”
15.3/4”
16”
16.1/4”
16.1/2”
16.3/4”
17”
17.1/4”
17.1/2”
17.3/4”
18”
18.1/4”
18.1/2”
18.3/4”
19”
19.1/4”
19.1/2”
19 3/4”
1.1/8” 1.1/4” 1.3/8” 1.1/2” 1.5/8” 1.3/4”
1.742
1.764
1.786
1.829
1.851
1.872
1.894
1.937
1.959
1.981
2.024
2.046
2.067
2.089
2.132
2.154
2.175
2.197
2.240
2.262
2.284
2.305
2.349
2.370
2.392
2.435
2.457
2.479
2.500
2.544
2.565
2.587
2.630
2.652
2.673
2.695
2.209
2.237
2.264
2.318
2.345
2.372
1.399
2.454
2.481
2.508
2.562
2.589
2.617
2.644
2.698
2.725
2.752
2.780
2.834
2.861
2.888
2.915
2.970
2.997
3.024
3.078
3.105
3.132
3.160
3.214
3.241
3.268
3.323
3.350
3.377
3.404
2.759
2.792
2.825
2.892
2.925
2.958
2.992
3.058
3.091
3.125
3.191
3.224
3.258
3.291
3.357
3.391
3.424
3.457
3.524
3.557
3.590
3.623
3.690
3.723
3.756
3.823
3.856
3.889
3.923
3.989
4.022
4.056
4.122
4.155
4.189
4.222
3.385
3.425
3.465
3.545
3.585
3.625
3.705
3.745
3.785
3.825
3.906
3.946
3.986
4.026
4.106
4.146
4.186
4.226
4.306
4.346
4.386
4.426
4.506
4.546
4.586
4.666
4.707
4.747
4.787
4.867
4.907
4.947
5.027
5.067
5.107
5.147
4.130
4.178
4.225
4.320
4.367
4.415
4.462
4.557
4.604
4.652
4.746
4.794
4.841
4.889
4.983
5.031
5.078
5.126
5.220
5.268
5.315
5.363
5.457
5.505
5.552
5.647
5.694
5.742
5.789
5.884
5.931
5.979
6.074
6.121
6.168
6.216
4.886
4.942
4.997
5.108
5.164
5.219
5.275
5.386
5.441
5.497
5.608
5.663
5.719
5.774
5.886
5.940
5.996
6.052
6.163
6.218
6.274
6.329
6.440
6.496
6.551
6.662
6.718
6.773
6.829
6.940
6.995
7.051
7.162
7.217
7.273
7.328
31
Product Weight
Dia
Length
1.7/8”
2”
2.1/4”
2.1/2”
2.3/4”
3”
3.1/4”
3.1/2”
3.3/4”
4”
50
60
65
70
75
80
90
95
100
110
115
120
125
130
140
145
150
160
165
170
175
180
185
190
195
200
210
215
220
230
235
240
250
255
260
265
275
2.830
2.894
3.022
3.086
3.150
3.278
3.342
3.406
3.470
3.598
3.662
3.716
3.790
3.918
3.982
4.046
4.110
4.238
4.302
4.366
4.430
4.494
4.558
4.622
4.685
4.814
4.878
4.942
5.006
5.134
5.198
5.262
5.390
5.454
5.518
5.582
5.710
3.394
3.467
3.613
3.686
3.759
3.905
3.978
4.051
4.124
4.270
4.343
4.416
4.489
4.635
4.708
4.781
4.854
5.073
5.146
5.219
5.292
5.365
5.438
5.511
5.584
5.730
5.803
5.803
5.876
6.022
6.095
6.168
6.314
6.387
6.460
6.533
6.679
4.667
4.761
4.948
5.041
5.135
5.322
5.415
5.509
5.602
5.789
5.883
5.976
6.070
6.257
6.350
6.444
6.537
6.724
6.818
6.911
7.005
7.098
7.192
7.285
7.379
7.566
7.639
7.753
7.846
8.033
8.127
8.220
8.407
8.501
8.594
8.688
8.875
6.282
6.398
6.631
6.748
6.864
7.097
7.214
7.330
7.447
7.680
7.796
7.913
8.029
8.262
8.379
8.495
8.612
8.845
8.961
9.078
9.194
9.311
9.427
9.544
9.660
9.893
10.010
10.126
10.246
10.476
10.592
10.709
10.942
11.058
11.175
11.291
11.524
7.953
8.094
8.377
8.519
8.660
8.943
9.085
9.226
9.368
9.651
9.792
9.934
10.075
10.358
10.500
10.641
10.783
11.066
11.207
11.349
11.490
11.632
11.773
11.915
12.056
12.339
12.481
12.622
12.764
13.047
13.188
13.330
13.613
13.754
13.896
14.037
14.320
9.769
9.938
10.277
10.447
10.616
10.955
11.125
11.294
11.464
11.803
11.972
12.142
12.311
12.650
12.820
12.989
13.159
13.498
13.667
13.837
14.006
14.176
14.345
14.515
14.684
15.023
15.193
15.362
15.532
15.871
16.040
16.210
16.549
16.718
16.888
17.057
17.396
11.970
12.173
12.578
12.780
12.983
13.388
13.590
13.793
13.995
14.400
14.603
14.805
15.008
15.413
15.615
15.818
16.020
16.425
16.628
16.830
17.033
17.235
17.438
17.640
17.843
18.048
18.450
18.653
18.855
19.260
19.463
19.665
20.070
20.273
20.475
20.678
21.083
15.499
15.735
16.207
16.443
16.679
17.151
17.387
17.623
17.859
18.331
18.567
18.803
19.039
19.511
19.747
19.983
20.219
20.691
20.927
21.163
21.399
21.635
21.871
22.107
22.343
22.815
23.051
23.287
23.523
23.995
24.231
24.467
24.939
25.175
25.411
25.647
26.119
18.579
18.844
19.374
19.639
19.904
20.434
20.699
20.964
21.229
71.759
22.024
22.289
22.554
23.084
23.349
23.614
23.879
24.409
24.674
24.939
25.204
25.469
25.734
25.999
26.264
26.794
27.059
27.324
27.589
28.119
28.384
28.649
29.179
29.444
29.709
29.974
30.504
22.948
23.253
23.862
24.166
24.470
25.079
25.384
25.688
25.992
26.601
26.906
27.210
27.514
28.123
28.428
28.732
29.036
29.645
29.950
30.254
30.558
30.863
31.167
31.472
31.776
32.385
32.689
32.994
33.298
33.907
34.211
34.516
35.124
35.429
35.733
36.038
36.646
2”
2.1/4”
2.1/2”
2.3/4”
3”
3.1/4”
3.1/2”
3.3/4”
4”
4.1/4”
4.1/2”
4.3/4”
5”
5.1/4”
5.1/2”
5.3/4”
6”
6.1/4”
6.1/2”
6.3/4”
6.7/8”
7”
7.1/4”
7.1/2”
7.3/4”
8”
8.1/4”
8.1/2”
8.3/4”
9”
9.1/4”
9.1/2”
9.3/4”
10”
10.1/4”
10.1/2”
10.3/4”
32
Unbrako
®
Product Weight
Dia
Length
1.7/8”
2”
2.1/4”
2.1/2”
2.3/4”
3”
3.1/4”
3.1/2”
3.3/4”
4”
280
285
290
295
300
305
310
315
320
325
330
335
340
345
350
355
360
365
370
375
380
385
390
395
400
405
410
415
420
425
430
435
440
445
450
455
460
465
470
475
480
485
490
495
500
5.774
5.838
5.902
5.966
6.030
6.094
6.158
6.222
6.286
6.350
6.414
6.478
6.542
6.606
6.670
6.734
6.798
6.862
6.926
6.990
7.054
7.118
7.182
7.246
7.310
7.374
7.438
7.502
7.566
7.630
7.694
7.758
7.822
7.886
7.950
8.014
8.078
8.142
8.206
8.270
8.334
8.398
8.462
8.526
8.590
6.752
6.825
6.898
6.971
7.044
7.117
7.190
7.263
7.336
7.409
7.482
7.555
7.628
7.701
7.774
7.847
7.920
7.993
8.066
8.139
8.212
8.285
8.358
8.431
8.504
8.577
8.650
8.723
8.796
8.869
8.942
9.015
9.088
9.161
9.234
9.307
9.380
9.453
9.526
9.599
9.672
9.745
9.818
9.891
9.964
8.968
9.062
9.155
9.249
9.342
9.436
9.529
9.623
9.716
9.810
9.903
9.997
10.090
10.184
10.277
10.371
10.464
10.558
10.651
10.745
10.838
10.932
10.025
11.119
11.212
11.306
11.399
11.493
11.586
11.680
11.773
11.867
11.960
12.054
12.147
12.241
12.334
12.428
12.521
12.615
12.708
12.802
12.895
12.989
13.082
11.641
11.757
11.874
11.990
12.107
12.223
12.340
12.456
12.573
12.689
12.806
12.922
13.039
13.155
13.272
13.388
13.505
13.621
13.738
13.854
13.971
14.087
14.204
14.320
14.437
14.553
14.670
14.786
14.903
15.019
15.136
15.252
15.369
15.485
15.602
15.718
15.835
15.951
16.068
16.184
16.301
16.417
16.534
16.650
16.767
14.462
14.603
14.745
14.886
15.028
15.169
15.311
15.452
15.594
15.735
15.877
16.018
16.160
16.301
16.443
16.584
16.726
16.867
17.009
17.150
17.292
17.433
17.575
17.716
17.858
17.999
18.141
18.282
18.424
18.565
18.707
18.848
18.990
19.131
19.273
19.414
19.556
19.697
19.839
19.980
20.122
20.263
20.405
20.546
20.688
17.566
17.735
17.905
18.074
18.244
18.413
18.583
18.752
18.922
19.091
19.261
19.430
19.600
19.769
19.939
20.108
20.278
20.447
20.617
20.786
20.956
21.125
21.295
21.464
21.634
21.803
21.973
22.142
22.312
22.481
22.651
22.820
22.990
23.159
23.329
23.498
23.668
23.837
24.007
24.176
24.346
24.515
24.685
24.854
25.024
21.285
21.488
21.690
21.893
22.095
22.298
22.500
22.703
22.905
23.108
23.310
23.513
23.715
23.918
24.120
24.323
24.525
24.728
24.930
25.133
25.535
25.538
25.740
25.943
26.145
26.348
26.550
26.753
26.955
27.158
27.360
27.563
27.765
27.968
28.170
28.373
28.575
28.778
28.980
29.183
29.385
29.588
29.790
29.993
30.195
26.355
26.591
26.827
27.063
27.299
27.535
27.771
28.007
28.243
28.479
28.715
28.951
29.187
29.423
29.659
29.895
30.131
30.367
30.603
30.838
31.075
31.311
31.547
31.783
32.019
32.255
32.491
32.727
32.963
33.199
33.435
33.671
33.907
34.143
34.379
34.615
34.851
35.087
35.323
35.559
35.795
36.031
36.267
36.503
36.739
30.769
31.034
31.299
31.564
31.829
32.094
32.359
32.624
32.889
33.154
33.419
33.684
33.949
34.214
34.479
34.744
35.009
35.274
35.539
35.804
36.069
36.334
36.599
36.864
37.129
37.394
37.659
37.924
38.189
38.454
38.719
38.984
39.249
39.514
39.779
40.044
40.309
40.574
40.839
41.104
41.369
41.634
41.899
42.164
42.429
36.951
37.255
37.560
37.864
38.168
38.473
38.777
39.082
39.386
39.690
39.995
40.299
40.604
40.908
41.212
41.517
41.821
42.126
41.430
42.734
43.039
43.343
43.648
43.952
44.256
44.561
44.865
45.170
45.474
45.778
46.083
46.387
46.692
46.996
47.300
47.605
47.909
48.214
48.518
48.822
49.127
49.431
49.736
50.040
50.344
11''
11.1/4"
11.1/2"
11.5/8"
11.3/4"
12"
12.1/4"
12.1/2"
12.5/8"
12.3/4"
13"
13.1/4"
13.3/8"
13.1/2"
13.3/4"
14"
14.1/4"
14.3/8"
14.1/2"
14.3/4"
15"
15.1/4"
15.3/8"
15.1/2"
15.3/4"
16"
16.1/4"
16.3/8"
16.1/2"
16.3/4"
17"
17.1/8"
17.1/4"
17.1/2"
17.3/4"
18"
18.1/8"
18.1/4"
18.1/2"
18.3/4"
18.7/8"
19"
19.1/4"
19.1/2"
19.3/4"
33
Unbrako
®
Engineered for Engineers
ORLD
IDE Access
BSI
BSI
ISO 9001:2000
ISO/TS 16949:2002
0045
website: www.unbrako.com / e-mail: [email protected]

Unbrako - Specialty Sales

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