Elektroband und die Energiewende gehören - stahl

Elektroband und die Energiewende gehören - stahl

STAHL 2015
Weichenstellung für morgen | Setting the course for tomorrow
Innovative rolled steel products for the energy transition
Electrical steel and the energy transition are inseparable
Dipl.-Ing. Jochen Bogner
Senior Engineer Continuous Annealing Line, voestalpine Stahl GmbH
1 | 12.11.2015 · STAHL 2015 · © Stahlinstitut VDEh | Wirtschaftsvereinigung Stahl
Stahl-Zentrum
voestalpine Steel Division
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MEGACITIES
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ENERGY DEMAND DOUBLES
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POPULATION NINE BILLION
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2050
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Electrical Steel and Energy Transition are inseparable
60 Watt
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Continuous Annealing Line 2
Start of production
01.04.2014
Annual Capacity
250,000 t
Line speed
120 m/min
Max. annealing temperature
1150 ° C
Strip thickness
0.2 mm to 1 mm
Max. strip width
1650 mm
Hydrogen
up to 85%
Max. coil weight
35 t
voestalpine Steel Division
Continuous Annealing Line 2
Horizontal annealing furnace
Entry looper
Inspection table
Laser welding
machine
Strip cleaning and
dryer
voestalpine Steel Division
Exit
section
Entry
section
Exit looper
Curing and
cooling
Trimming shear
Coaters
Annealing furnace, operator side
Total length: 282m
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Burner: FLOX®-Flame
Number of burners: app. 260
Burner capacity: 40 to 80 kW
Material radiant tubes: ceramic
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Coatings
C-6 inorganic/ organic
insulation system
Pressure-resistant
C-3 organic
insulation system
Highly improved
punchability
varnish thickness from
1 to 4 µm
C-3
voestalpine Steel Division
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C-5 inorganic/ organic
insulation system
Improved punchability
Best weldability
Thermal rating up to 420°C
(suitable for burn off repair)
Resistance to annealing
under protective gas up to
850°C
Suitable for high pressure
die casting
Good punchability
Suitable for high pressure
die casting
High level of insulation
Resistance
varnish thickness from
3 to 8 µm
varnish thickness from
1 to 4 µm
varnish thickness from
3 to 8µm
C-3 self-bonding
insulation system
High degree of
adhesiveness
C-3
C-5
C-6
Curing oven and cooling
Max. temperature: 400°C
Total length: 84m
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RTO with 3 heat exchanger canisters
Temperature oxidation chamber > 800°C
Dwell time in the oxidation chamber: 1s
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CATS – Continuous Annealing Line Testing Station
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Correlation of magnetic properties
d=0.35mm
1,76
1,74
1,72
1,7
1,68
1,66
1,64
1,62
250
300
350
Yield strength [MPa]
400
450
35
33
31
29
27
25
23
21
19
17
15
2
2,2
2,4
1,78
1,76
1,74
1,72
1,7
1,68
1,66
1,64
1,62
2
voestalpine Steel Division
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2,2
2,4
2,6
2,8
losses P15 [W/kg]
3
3,2
2,6
2,8
losses P15 [W/kg]
3
3,2
Requirements of the automotive industry
1,76
1,74
1,72
1,7
Max.
strength
1,68
1,66
1,64
1,62
250
300
350
Yield strength [MPa
[MPa]
400
450
35
33
31
29
27
25
23
21
19
17
15
2
Max.
polarization
1,78
1,76
2,2
2,4
Min.
losses
1,74
1,72
1,7
1,68
1,66
1,64
1,62
2
voestalpine Steel Division
28
2,2
2,4
2,6
2,8
losses P15 [W/kg]
3
3,2
2,6
2,8
losses P15 [W/kg]
3
3,2
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STAHL 2015
Weichenstellung für morgen | Setting the course for tomorrow
Innovative rolled steel products for the energy transititon
THANK YOU FOR YOUR ATTENTION
Dipl.-Ing. Jochen Bogner
Senior Engineer Continuous Annealing Line, voestalpine Stahl GmbH
30 | 12.11.2015 · STAHL 2015 · © Stahlinstitut VDEh | Wirtschaftsvereinigung Stahl
Stahl-Zentrum