SAW
MF-38 / 
US-49A
SAW flux and wire combination
| Features: | - Suitable for multi-layer butt welding
- Excellent impact value down to -40°C
|
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| Classification: | AWS A5.17 F7A6-EH14, F7P6-EH14 |
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| Type of flux: | Fused |
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| Redrying of flux: | 150-350°Cx1h |
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| Polarity: | AC |
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Welding Positions:
Packaging data
| Flux | Mesh | Can | Wire | φ mm | Coil |
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| MF-38 | 12x65 | 25kg | US-49A | 2.4 | 25kg | - | - |
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| 20x200 | 25kg
|
| 3.2 | 25kg
| - | 150kg |
| 20xD | 25kg
|
| 4.0 | 25kg
| 75kg | 150kg |
|
|
|
| 4.8 | 25kg
| 75kg
| - |
| Volume mm | 240W, 350H, 240L | Volume mm | 430W, 90H, 430L | 740W, 110H, 740L
| 840W, 110H, 840L
|
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Composition (wire mass%)
| | Typical | Guarantya |
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| C | 0.12 | 0.10-0.20 |
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| Si | 0.02 | 0.10 |
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| Mn | 1.99 | 1.70-2.20 |
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| P | 0.007 | 0.030 |
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| S | 0.005 | 0.030 |
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| Mo | 0.24 | 0.15-0.35 |
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| Note: aSingle values are maximium. |
Composition (weld metal mass %)
| Typical |
|---|
| C | 0.09 |
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| Si | 0.40 |
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| Mn | 1.63 |
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| P | 0.019 |
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| S | 0.013 |
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| Mo | 0.21 |
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Weld mechanical properties
| | Typical | Guaranty |
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| 0.2%YS (MPa) | 540 | 490 | 400min. |
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| TS (MPa) | 620 | 590 | 483-655 |
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| EI on 4d (%) | 28 | 30 | 22min. |
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| IV -51°C (J) | 50 | 60 | 27min. |
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| PWHT (°Cxh) | AW | 620x1 | AW & 620±15x1 |
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