Welding of structural steel is required for high quality to ensure earthquake resistance in Japan with many earthquakes. Kobe Steel will propose welding processes, materials and systems that achieve both higher quality welding and higher efficiency.
*
stands for FAMILIARC™,
stands for TRUSTARC™, and
stands for PREMIARC™.
Structural Steel Connection Welding Robot System (Single and 2-Arc)
Structural Steel Large Assembly Welding Robot System (Single and 2-ARC)
Compact Structural Steel Connection Welding Robot System
Multi-Work Structural Steel Connection Welding Robot System
Full-package Structural Steel Connection Welding Robot System
Structural Beam Welding Robot System
490MPa TS Class | 550MPa class | 590MPa class | 690MPa class | |
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CO2 Welding |
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Ar-CO2/ Pulse-MAG welding |
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"R(N)"series-specially designed for REGARC™ Process / compatible with conventional constant voltage welding)
REGARC™ greatly reduces the amount of spatter adhensive to Torch Nozzle and Work
Visit our YouTube Channel and watch KOBELCO robot welding solutions, REGARC™ and various welding robot systems.
■Submarged arc welding (SAW)
Tensile strength of Base Metal (Yield Strength) | Carbon Steel | High HAZ Toughness Steel |
---|---|---|
400MPa class (235MPa) |
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— |
490MPa class (325MPa) |
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520MPa class (355MPa) |
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550MPa class (385MPa) |
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590MPa class (440MPa) | ![]() ![]() ![]() ![]() |
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790MPa class (720MPa) |
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— |
■Electroslag welding (ESW)
Tensile Strength of Base Netal (Yield Strength) | Carbon Steel | High HAZ Toughness Steel |
---|---|---|
400MPa class (235MPa) |
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- |
490MPa class (325MPa) |
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520MPa class (355MPa) | - | |
550MPa class (385MPa) | - |
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590MPa class (440MPa) | - | ![]() ![]() |
Example of welding parameter
Plate Thickness: 50mm Wire: 6.4mm dia
L:1950A-38V-22cm/min
T:1450A-48V
490MPa class | 550MPa class | 590MPa class | |
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①Vertical up![]() |
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②Horizontal fillet![]() |
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③Flat![]() |
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*MP for multi-pass welding, BF for single pass welding for large leg length
JIS Z 3313 T 49J 0 T15-0 C A-U
JIS Z 3313 T 55 0 T15-0 C A-U
JIS Z 3313 T 49J 0 T1-0 C A-U
JIS Z 3313 T 49J 0 T1-0 C A-U
JIS Z 3313 T 49J 0 T1-0 C A-U
490MPa TS Class | 550MPa class | 590MPa class | 690, 780MPa class | For fire-resistant steel | |
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③Flat![]() |
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JIS Z 3312 YGW18
Column to beam (connection)
Column to column
Example of welding parameter
Plate thickness: :60mm Wire dia.: 1.4mmΦ
Welding Current 250~300A
Position:Flat
Water pipe with FAMILIARC™ Z-1Z
Bus frame parts with FAMILIARC™ SE-1Z
Pipe to flunge
Housing parts
Welding Process | Trade name | Shielding Gas | Polarity | Recommended Zn Coating Mass (g/m2) |
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Solid wire |
|
CO2 | DC (+) | ≦100g/m2 |
![]() JIS Z 3312 G 49 A 0 C 12 |
CO2 | DC (+) | ≦100g/m2 | |
Flux-cored Wire |
|
CO2 | DC (+) | ≦150g/m2 *Recommended for not kess than 200A |
![]() JIS Z 3313 T 49J 0 T15-1 C A-U |
CO2 | DC (+) | ≦150g/m2 * Recommended for equal or less than 200A |
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CO2 | DC (-) | ≦550g/m2 | |
Self shield wire
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— | DC (-) | ≦550g/m2 | |
Stick Electrode |
|
— | AC DC (±) |
≦550g/m2 |
FAMILIARC™ SE-1Z
Horizontal fillet Plate thickness: 2.3mm、180A-22V-500mm/min.
Wire dia.: 1.2mm、Gas CO2、DCEP
FAMILIARC™ MX-1Z
Horizontal fillet Plate thickness: 3.2mm、240A-30V-450mm/min.
Wire dia.: 1.2mm、Gas CO2、DCEP
FAMILIARC™ MX-100Z
Lap joint (Horizontal fillet) Plate thickness: 2.3mm、140A-19V-300mm/min.
Wire dia.: 1.2mm、Gas CO2、DCEP
FAMILIARC™ Z-1Z
Horizontal fillet Plate thickness: 6.0mm、130A
3.2mm dia
FAMILIARC™ Z-1Z
Lap joint (Horizontal fillet) Plate thickness: 6.0mm、130A
3.2mm dia
FAMILIARC™ DW-1SZ
Horizontal fillet Plate thickness: 6.0mm、240A-22V-250mm/min.
Wire dia.: 1.4mm、Gas :CO2、DCEN