FCAW
DW-309
Flux cored wire
| Features: | - Suitable for dissimilar-metal joint and underlaying on ferritic steels
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| Classification: | AWS A5.22 E309T0-1/4 |
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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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| 1.2 | 12.5kg | 200kg |
| 1.6 | 12.5kg | - |
| Volume mm | 295W, 110H, 295L | 680φ, 770H |
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Composition (all-weld metal mass %)
| | Typical (CO2) | Guarantya |
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| C | 0.03 | 0.10 |
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| Si | 0.7 | 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 | 12.3 | 12.0-14.0 |
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| Cr | 24.0 | 22.0-25.0 |
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| Mo | 0.02 | 0.75 |
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| Cu | 0.03 | 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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| 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) | 590 | 552min. |
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| EI on 4d (%) | 32 | 30min. |
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| IV 0°C (J) | 33 | - |
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| LR | SS/CMn S (CHEM)
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| Note: CO2 |
