FCAW
DW-309L
Flux cored wire
| Features: | - Suitable for dissimilar-metal joint and underlaying on ferritic steels
|
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| Classification: | AWS A5.22 E309LT0-1/4 |
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| Shielding gas: | CO2 or Ar-CO2 |
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| Polarity: | DCEP |
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Welding Positions:
Packaging data
| φ mm | Spool | Drum |
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| 0.9 | 5kg | 12.5kg
| - | - |
| 1.2 | - | 12.5kg
| 150kg | - |
| 1.6 | - | 12.5kg
| - | 200kg |
| Volume mm | 235W, 110H, 230L | 295W, 110H, 295L
| 530φ, 820H
| 680φ, 770H |
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Composition (all-weld metal mass %)
| | Typical (CO2) | Guarantya |
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| C | 0.03 | 0.04 |
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| Si | 0.6 | 1.0 |
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| Mn | 1.2 | 0.5-2.5 |
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| P | 0.02 | 0.04 |
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| S | <0.01 | 0.03 |
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| Ni | 12.4 | 12.0-14.0 |
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| Cr | 23.8 | 22.0-25.0 |
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| Mo | 0.03 | 0.75 |
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| Cu | 0.02 | 0.75 |
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| Bi | >0.002 | - |
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| Note: aSingle values are maximium. |
Welding parameters (A)
| φ mm | 1F, 1G, 2F | 2G |
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| 0.9 | 80-150 | 90-130 |
| 1.2 | 130-270 | 150-220 |
| 1.6 | 190-320 | 220-270 |
All-weld mechanical properties
| | Typical (CO2) | Guaranty |
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| 0.2%YS (MPa) | 450 | - |
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| TS (MPa) | 580 | 518min. |
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| EI on 4d (%) | 33 | 30min. |
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| ABS | MG
|
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| LR | SS/CMn S(CHEM) (CO2)
SS/CMn S(CHEM) ,
Dup/CMnS(CHEM) (Ar-CO2)
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| DNV | VL309L
|
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| BV | UP
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| NK | KW309LG（Ｃ） |
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| CWB | E309LT0-1, E309LT0-4 |
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| Note: CO2, except in LR/CWB |
