TSUBASA(Wing)PILE

TSUBASA (Wing) PILE
TM
(Civil Engineering Edition)
Rotary Penetration Steel Pipe Pile with Toe Wing
Introduction
In recent years, environmental measures, cost reduction, and earthquake
protection have been highlighted as issues in construction work.
To resolve these issues, JFE Steel has developed a rotary penetration steel
pipe pile with a toe wing called Tsubasa (Wing) Pile and put it into practical
use in 1999.
Since then, the Tsubasa (Wing) Pile has been highly evaluated for its low
environmental load during construction and widely used in various fields.
There are two types of Tsubasa (Wing) Pile : an "Open-end" type and a
"Closed-end" type, and they can be selected based on their features. This
Civil Engineering Edition* is newly available as an integrated Tsubasa (Wing)
Pile catalog of the two types.
We hope to receive your continued patronage in the future.
* The Building Construction Edition is also available for building foundation work.
Please also see the catalog.
Contents
Introduction
1
Features of Tsubasa (Wing) Pile
3
Open-end Type
5
Closed-end Type
7
Material Specifications
9
Accessories
10
Design of Tsubasa (Wing) Pile
11
Precautions for Design
13
Construction of Tsubasa (Wing) Pile
14
Official Authorization of Tsubasa (Wing) Pile
17
Construction Organization
18
* Tsubasa (Wing) Pile™ is a trademark of JFE Steel Corporation.
1
Open-end Type
Closed-end Type
2
Features of Tsubasa (Wing) Pile
TM
The Tsubasa (Wing) Pile is a steel pipe pile with a toe wing and has various
features as shown below.
1
Environmentally Friendly
Environmentally-friendly construction by rotary penetration.
Applicable even in urban areas
Low noise and
low vibration
Generates no
waste soil at all!
Requires no soil
transport trucks
No costs required
for disposal of soil
2
High Bearing
Capacity
3
Uses no cement milk
Causes no
groundwater
contamination
Easy to Withdraw
Easily removed by reverse rotation.
High end bearing capacity and
pull-out resistance.
Easily pulled out by
reverse rotation
High bearing
capacity due
to toe wing
3
Pull-out
resistance
by anchor
effect
Tsubasa (Wing) Pile
eTM
Open-end
Type
Larger diameter (700 mm or larger)
and more suitable for hard ground
than the closed-end type.
Widens the scope
of application
Hard intermediate layer
Large diameter,
more suitable
for hard ground
Supporting layer
Closed-end
Type
Simple and low-cost structure.
High
horizontal
resistance
Above the ground:
Temperature varies widely
Hundreds of construction results
centering on small and medium
diameters (up to φ600mm).
Improves the horizontal
resistance with enlarged pile head.
Under the ground:
Almost constant temperature
Enables the inner space to be
utilized such as for underground
heat exchange.
Winter :
Takes in the
underground
heat
Summer :
Releases the
ground
surface heat
4
Open-end
Type
Pile Structure
Lifting lug
(Pile end steel pipe)
(Field-welded joint)
Toe wing
(Factory-welded joint)
Upper pile (or medium pile)
Lower pile
Pile End Structure
Dp
A standard wall thickness is determined for each
pile end steel pipe depending on the pile diameter.
Reinforcing plates may be added to the inside
of the pile end for convenience of construction.
Pile end steel pipe
Dw =
1.5 to Toe wing
2.0Dp
(Inside the pile:
Reinforcing plate)
Scope of Application of Pile
Lower toe
wing
(Reinforcing plate)
Steel pipe
Intersection
of toe wings
The scope of application* of the Tsubasa (Wing) Pile
(open-end type) is as follows.
For the other applications, please consult us in
advance.
Pile diameter (Dp)
B
A-A
B
Upper toe
wing
Wing diameter (Dw)
φ318.5 to φ1600 mm
Dp = φ318.5 to φ1200 mm :
Dw = Dp × 1.5 to 2.0
Dp = φ1300 to φ1600 mm :
Dw = Dp × 1.5
Steel pipe
Dp
Pile end
steel pipe
ts
A
Toe wing
A
Dwi
Dw
B-B
5
t
(Reinforcing
plate)
tw
Maximum penetration
depth
77m
Soil property
Supporting
layer
Hardness
Sandy soil, gravel
Pile inclination angle
Max. 15°
N value : 30 or higher
*The scope of application stated in Construction Technology
Review Certification No.1013 "Tsubasa (Wing) Pile (OpenEnd Type)", March 2011.
Tsubasa (Wing) Pile
eTM
Standard Pile Dimensions
The most standard dimensions of the Tsubasa (Wing) Pile (open-end type) are
shown below for each pile diameter. For the application of other dimensions
or specifications, please consult us in advance.
Wall thickness of steel pipe : t/Dp 1.3% (9 mm or more)
Toe wing diameter : 1.5 times the pile diameter
Standards for pile and pile end steel pipe : SKK490
Standards for toe wing : SM490A
Steel pipe
Pile end
steel pipe
Toe wing
*1
Wing
thickness
t w (mm)
*1
Pile diameter
Dp (mm)
Wall thickness
t (mm)
Outer diameter of
wing
Dw (mm)
Inner diameter of
wing
Dwi (mm)
318.5
9
477.8
159.2
19
10
355.6
9
533.4
177.8
22
10
400 / 406.4
9
600 to 609.6
200 / 203.2
22
10
450 / 457.2
9
675 to 685.8
225 / 228.6
22
10
500 / 508.0
9
750 to 762.0
250 / 254.0
25
10
600 / 609.6
9
900 to 914.4
300 / 304.8
25
12
700
10
1050
350
32
14
800
11
1200
400
32
16
900
12
1350
450
40
18
1000
13
1500
500
40
20
1100
15
1650
550
50
22
1200
16
1800
600
55
24
1300
17
1950
650
60
25
1400
19
2100
700
65
25
1500
20
2250
750
65
25
1600
21
2400
800
75
25
Wall thickness
t s (mm)
*1 The wall thicknesses of the toe wing and the pile end steel pipe are determined depending on the wall thickness
and specification of the steel pipe to be connected to the pile end steel pipe as well as the magnification of the toe
wing diameter.
6
Closed-end
Type
Pile Structure
Toe wing
Normal Type
Steel pipe
Toe wing
Field-welded joint
Dp
Upper pile
Lower pile
Enlarged Head Type
Ferrule coupling
(factory-welded)
Dw = 1.5 to 2.0Dp
Field-welded joint
Dp
Dh
Normal part
Enlarged head
Normal part
tj
Dw = 1.5 to 2.0Dp
The enlarged head type is a horizontal resistance-enhanced pile; therefore it is suitable for
ground with a soft surface layer and liquefied ground.
Pile End Structure
A toe wing consists of two semicircular steel plates.
(Front View)
(Side View)
Closing plate
14.4°
7.2° in some
field conditions
Support excavation blade
(attached on site as needed)
Machined
blade edge
Enlarged Head Coupling Structure
Enlarged
head
Factory-welded part
Normal
part
Penetration resistance
reducer (Attached if necessary)
7
Ferrule coupling
Support excavation blade
(attached on site as needed)
Tsubasa (Wing) Pile
eTM
Standard Pile Dimensions
Normal Type
Steel pipe
Toe wing
Pile diameter
D p (mm)
Wall thickness
t (mm)
Wing pile diameter
D w (mm)
Wing thickness
t w (mm)
318.5
9 to 12
1.5, 1.75, 2.0Dp
30
400 / 406.4
9 to 14
1.5, 1.75, 2.0Dp
30 to 40
500 / 508.0
9 to 16
1.5, 1.75, 2.0Dp
30 to 40
600
9 to 16
1.5, 1.75, 2.0Dp
40 to 50
700
12 to 16
1.5, 1.75, 2.0Dp
40 to 50
800
12 to 23
1.5, 1.75, 2.0Dp
40 to 60
900
12 to 24
1.5, 1.75, 2.0Dp
50 to 60
1000
14 to 25
1.5, 1.75, 2.0Dp
50 to 70
1100
16 to 25
1.5, 1.75, 2.0Dp
60 to 70
1200
16 to 25
1.5, 1.75, 2.0Dp
60 to 80
For the application of other pipe dimensions or wall thicknesses, please consult us in advance.
Enlarged Head Type
Outer diameter of
normal steel pipe
D p (mm)
φ318.5 to φ800
Outer diameter of
enlarged head steel pipe
Dh (mm)
φ400 to φ1200 (Dh
1.6Dp)
Ferrule coupling
thickness
t j (mm)
30 to 120
When designing an enlarged head type pile, please consult us in advance.
8
Material Specifications
Steel Pipe [JIS A 5525 Steel Pipe Piles]
Tensile test
*1
Flattening *2
test
Chemical compositions %
Yield point Elongation in
Tensile
or yield
perpendicular strength of Plate spacing
(D: Outer
strength
direction to welded part
diameter)
N/mm2
pipe axis %
N/mm2
Type
code
Tensile
strength
N/mm2
SKK400
400
or more
235
or more
18
or more
400
or more
SKK490
490
or more
315
or more
18
or more
490
or more
2/3D
C
Si
Mn
0.25
or less
P
S
0.040 0.040
or less or less
0.18 0.55 1.65 0.035 0.035
or less or less or less or less or less
*1 "Tensile strength of welded part" is applied to arc-welded steel pipes.
*2 "Flattening test" is applied to electric resistance-welded steel pipes.
Open-end Type
Toe Wing Either of the following toe wings should be used.
1. JIS G 3106 Rolled Steels for Welded Structure
Type
code
Tensile
Thickness strength
mm
N/mm2
16 < t
SM490A
40
t
40
Elongation
Yield point
or yield
strength Thickness Test
%
piece
mm
N/mm2
490 to
610
100
315
or more
295
or more
16 < t
50
40 < t
Type
1A
Type
4
Chemical compositions %
Thickness
mm
C
Si
Mn
P
S
21 or 16 < t
0.20
50 or less 0.55 1.65 0.035 0.035
more
23 or 50 < t
0.22 or less or less or less or less
200 or less
more
2. Materials approved by the Minister of Land, Infrastructure,
Transport and Tourism [Approval number: MSTL-0130, MSTL-0131]
Type
code
Thickness
mm
HBL385B
19 to
100
Yield point
Elongation
Tensile
or yield
strength Thickness Test
strength
N/mm2
mm
piece
N/mm2
t < 38
385 to
505
550 to
670
t
Chemical compositions %
%
C
Si
Mn
P
S
Type 1A 15 or more
50
Type 5
26 or more
40 < t
Type 4
20 or more
0.20
0.55
1.60 0.030 0.015
or less or less or less or less or less
Closed-end Type
Toe Wing Materials approved by the Minister of Land, Infrastructure,
Transport and Tourism [Approval number: MSTL-0130, MSTL-0131]
Type
code
Thickness
mm
HBL385B
19 to
100
Yield point
Elongation
Tensile
or yield
strength Thickness Test
strength
N/mm2
2
piece
mm
N/mm
t < 38
9
385 to
505
550 to
670
t
Chemical compositions %
%
C
Si
Mn
P
S
Type 1A 15 or more
50
Type 5
26 or more
40 < t
Type 4
20 or more
0.20
0.55
1.60 0.030 0.015
or less or less or less or less or less
Tsubasa (Wing) Pile
eTM
Ferrule Coupling [JIS G 3106 Rolled Steels for Welded Structure]
Tensile
Thickness strength
mm
N/mm2
Type
code
16 < t
SM490A
40
t
40
Elongation
Yield point
or yield
strength Thickness Test
%
mm
piece
N/mm2
490 to
610
100
315
or more
295
or more
16 < t
50
40 < t
Type
1A
Type
4
Chemical compositions %
Thickness
mm
C
21 or 16 < t
50
more
23 or 50 < t
200
more
Si
Mn
S
P
0.20
or less 0.55 1.65 0.035 0.035
0.22 or less or less or less or less
or less
Accessories
Lifting Lug
T1
A
φ
E
D
C
B
a
A/2
A/2
Unit: mm
Maximum hanging load
A
B
C
D
E
T1
φ
a
Up to 3 tons
120
100
55
25
25
12
40
6
3 to 5 tons
120
100
55
25
25
16
40
9
5 to 10 tons
200
150
90
30
30
22
65
15
10 to 20 tons
300
250
150
50
50
22
80
15
JASPP Joint
D
Outside
Inside
Backing ring
1 to 4
45° or
more
T
H
h
φ1000 or less
4.5
50
15
φ1100 or more
6.0
70
35
h
0 to 2.4
D
T
25
35
Number of Stoppers
H
D : Pipe diameter (mm)
30
Stopper
PL-6 × 12 × 30
6
N pieces
t : Pipe thickness (mm)
T : Backing ring thickness (mm)
H : Backing ring height (mm)
D (mm)
N
φ609.6 or less
4
φ700 to φ1000
6
φ1100 or more
8
10
Design of Tsubasa (Wing) Pile
TM
Tsubasa (Wing) Pile should be designed on the basis of the Specifications for Highway Bridges,
the Pile Foundation Design Manual, and the Construction Technology Review Certification.
Roads
Ultimate Push-In Bearing Capacity Determined by Ground Properties
The ultimate push-in bearing capacity is given by the following formula from the ground
properties.
Ru qd Aw U
L f
G.L.
qd : Ultimate pile end bearing capacity per unit area (kN/m )
qd
N
2
Ground type
Sandy soil
Gravel
Diameter of toe wing /
Pile diameter
1.5 times
1.75 or 2.0 times
1.5 times
1.75 or 2.0 times
Range in which pile skin
friction is expected
: End bearing capacity factor
End bearing
capacity factor α
135
100
150
150
Sand and gravel are classified on the basis of the "Method
of Classification of Geomaterials for Engineering Purposes"
(by the Japanese Geotechnical Society).
Steel pipe
diameter
Dp
Enlarged
head
diameter
Dh
Normal
part
diameter
Dp
Equal to or
more than Dp
Dw
N : N value of the standard penetration test at the end layer.
However, the maximum N value is 50.
Dw
4
Supporting
layer
2
Aw : Toe wing area (m2)
Aw
Supporting Dw
A.
layer
Normal type
Dw : Outer diameter of toe wing (m)
U : Circumference of steel pipe (m), For the enlarged head,
Dw
B.
Enlarged head type
*This figure shows the closed-end type.
apply the circumference of the enlarged head steel pipe.
L : Thickness of the layer of which the pile skin friction should be considered (m)
f : The maximum pile skin friction in the layer of which the pile skin friction should be considered (kN/m2)
Sandy soil: f = 2N ( 100), Cohesive soil: f = C or 10N ( 80)
Here, C means the adhesive force (kN/m2), and N means the N value in the soil layer around the pile
(but the pile skin friction is not considered for soft layers which N value is 2 or less).
Ultimate Pull-Out Bearing Capacity Determined by Ground Properties
The ultimate pull-out bearing capacity of the Tsubasa (Wing) Pile is given by the following
formula since the resistance due to the anchor effect by the toe wing is expected in addition
to the pile skin friction. In this regard, the penetration depth into the supporting layer should
be equal to or more than 1.0Dp, and the same maximum pile skin friction as that used for the
calculation of the ultimate push-in bearing capacity is used.
i
Li
H
tan
U
Li fi
Here,
Dw : Outer diameter of toe wing (m)
i : Weight of the effective unit volume of soil in the "i"th layer
from the ground surface above the supporting layer (kN/m3)
L i : Thickness of the "i"th layer from the ground surface above the
supporting layer (m)
f i : Maximum pile skin friction in the "i"th layer from the ground
surface above the supporting layer (kN/m2)
: Weight of the effective unit volume of soil in the supporting
layer (kN/m3)
11
Pile skin
friction
L
Dw
Pu
Ground surface
End pull-out
resistance
Supporting
layer
H
Pu
H
2
Toe wing
Dw
*This figure shows the closed-end type.
Tsubasa (Wing) Pile
eTM
Relation between φ and β
: Pull-out factor. This stands for the resistance factor of a sheared
surface and determined according to the internal friction angle
Internal friction
Pull-out
angle φ
factor β
of the supporting layer (see the table below).
35°
2.1
: Internal friction angle of supporting layer (°)
40°
3.3
U : Circumference of steel pipe (m) U = π • Dp
45°
5.3
H : Penetration depth into the supporting layer at the height where
the local shear area spreads above the toe wing (m). However, H should be 2.5Dw or less.
Pile Interval
The minimum pile interval is shown below.
Toe wing diameter
Pile interval
1.5 times
2.5Dp
1.75 times
2.75Dp
2.0 times
3.0Dp
Dp
Dp
Equal to or more than Dp
Dp stands for the pile diameter.
*This figure shows the closed-end type.
Spring Constant in Axial Direction
The spring constant of the Tsubasa (Wing) Pile in the axial direction is given by the following
formula.
Kv a
Ap Ep
L
a : Given by the following formula.
When the toe wing magnification is 1.5 :
L
a = 0.013
+ 0.54
Dp
Kv : Spring Constant in Axial Direction (kN/m)
Ap : Net cross-sectional area of pile (m2)
L : Pile length (m)
E p : Young's modulus of pile (kN/m2)
Dp : Pile diameter (m)
When the toe wing magnification is 1.75 or 2.0 :
a = 0.010 L + 0.36
Dp
For enlarged head type piles, use the load average Ap and Dp calculated considering the
length and diameter of the enlarged head and normal part.
A p A p1
L1
L
Ap2
Dp D1
L1
L
D2
L2
L
L2
L
Ap1 : Net cross-sectional area of enlarged head (m2)
Ap2 : Net cross-sectional area of normal part (m2)
L 1 : Length of enlarged head (m)
L 2 : Length of normal part (m)
L : L1 + L2 (m)
D 1 : Diameter of enlarged head (m)
D 2 : Diameter of normal part (m)
Scope of Application
Applicable supporting layer
Penetration depth
Open-end Type
Sandy soil and gravelly soil (For stiff clay and
weathered rock, please consult us in advance.)
Up to 77 m in practice
Closed-end Type
Sandy soil and gravelly soil (For stiff clay and
weathered rock, please consult us in advance.)
Up to 60 m in practice
Railroads
The Tsubasa (Wing) Pile should be designed on the basis of the Design Standards for
Railway Structures and Commentary (Foundation Structures). However, there are some
requirements for the closed-end type, therefore please consult us in advance.
12
Precautions for Design
Selection of Pile Dimensions
(1) Pile diameter : To avoid using three-point pile drivers and all-round rotating machines on
the same site, the pile diameter should be selected within either of the
following ranges.
φ318.5 to φ609.6 mm (for three-point pile drivers)
φ500 to φ1600 mm (for all-round rotating machines)
(2) Thickness :
In general, the wall thickness is not constant for long piles (Ex. Upper part:
16 mm, Lower part: 9 mm). The thickness change point (point of uneven
thickness welding) should be determined considering that the pile might
stop at a high position. Uneven thickness welding should be done at
factory in principle.
The thickness of steel pipes should be determined also considering the
soundness during construction.
As a general rule, a corrosion allowance of 1 mm shall be considered in
design for corrosion protection purpose on the outside of steel pipes.
However, it should be separately considered for highly corrosive
environments.
Design of Enlarged Head Type
(1) Design method :
Since the rigidity greatly differs between the enlarged head and
the normal part, stability analysis of an enlarged head type pile
should be conducted considering the pile as a variable section
pile in principle. It means that the values of the bending rigidity
and horizontal ground spring should be separately determined
for the enlarged head and the normal part according to their
pile dimensions.
(2) Length of enlarged head : The length of the enlarged head of the Tsubasa (Wing) Pile
should be equal to or longer than the depth of the first crosssection change point specified in the Pile Foundation Design
Manual. However, the stress intensity at the top of the normal
part should not exceed 90% of the allowable stress both at
stationary and at level 1 seismic condition.
<Example 1>
Field-welded joint
t 18mm
6m
t 12mm
4m
t 9mm
t 9mm
2m
12m
<Example 2>
Field-welded joint
t 16mm
6m
13
t 12mm
4m
t 9mm
t 9mm
2m
12m
Tsubasa (Wing) Pile
eTM
Construction of Tsubasa (Wing) Pile
TM
Construction Flow
1 Setting of
4 Checking of
penetration
core and
verticality
Auger
motor
Construction
using
three-point
pile driver
3 Rotary
2 Checking pile
lower pipe
supporting
layer
Cap
Tsubasa
(Wing)
Pile
Steel pipe
diameter:
φ318.5 to
φ609.6
Base
machine
Plier
Bracing
Supporting layer
2 Checking pile core
1 Setting of
Construction
using
all-round
rotating
machine
and verticality
lower pipe
3 Rotary
penetration
4 Checking of
supporting
layer
Crawler crane
Tsubasa
(Wing)
Pile
All-round
rotating
machines
Steel pipe
diameter:
φ500 to
φ1600
Plier
Weight
Supporting layer
Pile drivers suitable for low height or narrow space construction are also available. Please consult us.
Example of construction work space using an all-round
rotating machine
Steel pipe
Hydraulic unit of
all-round rotating
machine
Reaction bar
All-round rotating
machine
25.0m
Control hut
Backhoe
Laid steel plate
Crawler crane 150 t
30 m
Steel pipe
length + 3 m
Construction yard 42.0 m
25
20
Crawler crane 150 t
Steel pipe
15
All-round rotating machine
10
Backhoe
5
0m
Steel pipe
Reaction bar
Hydraulic unit of all-round
rotating machine
In cases of narrow space construction
and limited overhead clearance,
please consult us.
14
Construction of Tsubasa (Wing) Pile
TM
Piling Finish Control
In principle, a pile end should be penetrated into the supporting layer to the depth required
on design, but if it is difficult to penetrate the pile to the prescribed depth because of the
hardness of the supporting layer, piling finish control may be applied using the hardness
index given by the following formula. However, in case the pull-out resistance of the toe
wing is expected in design but the prescribed penetration depth cannot be ensured, the
design pull-out strength should be reconsidered.
Rotation torque [T] (kN m)
Penetration per rotation [S] (cm)
Hardness index [K]
The rotation torque [T] and penetration per rotation [S] are measured during construction
using a construction control meter or an ammeter.
Example of construction control meter
Example of ammeter
Construction Record
The following figure shows an example of the record of the N value and hardness index
when the above-mentioned piling finish control is applied.
Depth Soil
m property
N value
10 20 30 40
5
10
Penetration
Torque <T>
per rotation
(kN.m)
<S>(cm)
50 100 150 200
5 10 15 20 25
Hardness
index <K>
K=T/S
Depth Soil
m property
N value
10 20 30 40 50
Pile
Torque <T>
(kN.m)
50 100 150 200
Penetration
per rotation
<S>(cm)
5 10 15 20 25
Hardness
index <K>
K=T/S
50
100 150
Image
of
pile
50 100 150 200
Filling
soil
51
Silty fine sand
Fine sand with silt
Silt with sand
52
15
Hard silt
20
Clayey
Silt
53
25
54
30
35
Sandy silt
Silt
55
Silt with sand
40
45
50
Silt
Hard silt
Fine sand with silt
56
Silty hard silt
Hard silt with sand
Hard silt
Sand
GL56.0m
57
Hard silt
55
Sand
GL56.0m
Full length record
15
Record around finish depth
Tsubasa (Wing) Pile
eTM
Construction Example
Location : Saitama Prefecture
Depth
(m)
Pile diameter : φ1200 mm
N value
10 20 30 40 50
Toe wing diameter : φ1800 mm (1.5 times wing)
Pile penetration length : L = 44 m
Conditions of construction : Checking the penetrativity of
the ground with an intermediate hard sand layer (N 40)
10
Intermediate
sand layer
20 (N 40)
L = 13m
30
40
Construction Scenes
Cap
Bracing
Pliers
Pile body chuck
(of all-round rotating machine)
Construction of enlarged head pile
Narrow space construction with
limited overhead clearance
16
Official Authorization of Tsubasa (Wing) Pile
TM
Tsubasa (Wing) Pile has been granted official certificates in the field of road and railroad
constructions
Construction Technology Review
Certification (Open-End Type)
Construction Technology Review
Certification (Closed-End Type)
Evaluation of bearing capacity
in railroad structure construction
17
Tsubasa (Wing) Pile
eTM
Construction Organization
The construction of the Tsubasa (Wing) Pile is conducted by the pile construction companies
that are members of the Engineering Society of Tsubasa (Wing) Pile.
Geo Dynamic Co., Ltd.
Japan Pile Corporation
Taiyo Foundation Co., Ltd.
Chiyoda Geotech Co., Ltd.
Nittoc Construction Co., Ltd.
Nozaki Kenko
Marugo Foundation Corp.
Yokoyama-Kiso
Ryoken Kiso Co., Ltd.
(In the order of the Japanese syllabary)
Please contact the following or your local office of JFE Steel Corporation for orders and inquiries.
Tokyo
Hibiya Kokusai Building, 2-2-3 Uchisaiwaicho, Chiyoda-ku, Tokyo 100-0011, Japan
Construction Materials Export Section, Construction Material Sales Department,
Construction Material & Service Center
TEL. 03(3597)3924 FAX. 03(3597)3897
18
Cat.No.D1E-505-00
http://www.jfe-steel.co.jp/en/
TOKYO HEAD OFFICE
Hibiya Kokusai Building, 2-3 Uchisaiwaicho 2-chome, Chiyodaku, Tokyo 100-0011, Japan
Phone : (81)3-3597-3111
Fax : (81)3-3597-4860
NEW YORK OFFICE
JFE Steel America, Inc.
600 Third Avenue, 12th Floor, New York, NY 10016, U.S.A.
Phone : (1)212-310-9320
Fax : (1)212-308-9292
HOUSTON OFFICE
JFE Steel America, Inc., Houston Office
10777 Westheimer, Suite 230, Houston, TX 77042, U.S.A.
Phone : (1)713-532-0052
Fax : (1)713-532-0062
BRISBANE OFFICE
JFE Steel Australia Resources Pty Ltd.
Level 19, CPA Centre, 307 Queen St, Brisbane, QLD 4001, Australia
Phone : (61)7-3229-3855
Fax : (61)7-3229-4377
RIO DE JANEIRO OFFICE
JFE Steel do Brasil LTDA / JFE Steel Corporation, Rio de Janeiro Office
Praia de Botafogo, 228 Setor B, Salas 508 & 509, Botafogo, CEP 22250-040, Rio de Janeiro-RJ, Brazil
Phone : (55)21-2553-1132 Fax : (55)21-2553-3430
LONDON OFFICE
JFE Steel Europe Limited
15th Floor, The Broadgate Tower, 20 Primrose Street, London EC2A 2EW, U.K.
Phone : (44)20-7426-0166 Fax : (44)20-7247-0168
DUBAI OFFICE
JFE Steel Corporation, Dubai Office
P.O.Box 261791 LOB19-1208, Jebel Ali Free Zone Dubai, U.A.E.
Phone : (971)4-884-1833
Fax : (971)4-884-1472
NEW DELHI OFFICE
JFE Steel India Private Limited
1101, 11th Floor, Unitech‘s Signature Tower, Tower-A, South City-I, NH-8, Gurgaon, Haryana, 122002, India
Phone : (91)124-426-4981 Fax : (91)124-426-4982
MUMBAI OFFICE
JFE Steel India Private Limited Mumbai Office
308, A Wing, 215 Atrium, Andheri - Kurla Road, Andheri (East), Mumbai - 400093, Maharashtra, India
Phone : (91)22-3076-2760 Fax : (91)22-3076-2764
SINGAPORE OFFICE
JFE Steel Asia Pte. Ltd.
16 Raffles Quay, No. 15-03, Hong Leong Building, 048581, Singapore
Phone : (65)6220-1174
Fax : (65)6224-8357
BANGKOK OFFICE
JFE Steel (Thailand) Ltd.
22nd Floor, Abdulrahim Place 990, Rama IV Road, Bangkok 10500, Thailand
Phone : (66)2-636-1886
Fax : (66)2-636-1891
VIETNAM OFFICE
JFE Steel Vietnam Co., Ltd.
Unit 1401, 14th Floor, Kumho Asiana Plaza, 39 Le Duan Street, Dist 1, HCMC, Vietnam
Phone : (84)8-3825-8576
Fax : (84)8-3825-8562
JAKARTA OFFICE
JFE Steel Corporation, Jakarta Office
16th Floor Summitmas II, JL Jendral Sudirman Kav. 61-62, Jakarta 12190, Indonesia
Phone : (62)21-522-6405
Fax : (62)21-522-6408
MANILA OFFICE
JFE Steel Corporation, Manila Office
23rd Floor 6788 Ayala Avenue, Oledan Square, Makati City, Metro Manila, Philippines
Phone : (63)2-886-7432
Fax : (63)2-886-7315
SEOUL OFFICE
JFE Steel Korea Corporation
6th Floor. Geumgang-Tower. 889-13, Daechi-dong, Gangnam-gu, Seoul, 135-570, Korea
Phone : (82)2-3468-4130
Fax : (82)2-3468-4137
BEIJING OFFICE
JFE Steel Corporation Beijing
1009 Beijing Fortune Building No.5, Dongsanhuan North Road, Chaoyang District, Beijing, 100004, P.R.China
Phone : (86)10-6590-9051 Fax : (86)10-6590-9056
SHANGHAI OFFICE
JFE Consulting (Shanghai) Co., Ltd.
Room 801, Building A, Far East International Plaza, 319 Xianxia Road, Shanghai 200051, P.R.China
Phone : (86)21-6235-1345 Fax : (86)21-6235-1346
GUANGZHOU OFFICE
JFE Consulting (Guangzhou) Co., Ltd. / JFE Steel Corporation, Guangzhou Office
Room 3901, Citic Plaza, 233 Tian He North Road, Guangzhou 510613, P.R.China
Phone : (86)20-3891-2467 Fax : (86)20-3891-2469
Notice
While every effort has been made to ensure the accuracy of the information contained within this publication, the use of the information is at
the reader’s risk and no warranty is implied or expressed by JFE Steel Corporation with respect to the use of information contained herein.
The information in this publication is subject to change or modification without notice. Please contact the JFE Steel office for the latest information.
Copyright © JFE Steel Corporation. All Rights Reserved.
Any reproduction, modification, translation, distribution, transmission, uploading of the contents of the document, in whole or in part, is strictly prohibited
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