SAW
PF-200/ US-521S
Flux and wire combination for 2.25%Cr-1%Mo steel
| Features: | - Applied for ASTM A387 Gr.22 and equivalents
- Excellent notch toughness
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| Classification: | AWS A5.23 F9P2-EG-B3 |
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| Type of flux: | Bonded |
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| Redrying of flux: | 200-300°Cx1h |
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| Polarity: | AC |
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Welding Positions:
Packaging data
| Flux |
| Can | Wire | φ mm | Coil |
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| PF-200 | 10x48 | 20kg | US-521S | 3.2 | 25kg | - | 150kg |
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| 4.0 | 25kg | 75kg | 150kg |
| 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 | 0.16 | 0.08-0.18 |
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| Si | 0.13 | 0.25 |
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| Mn | 0.93 | 0.80-1.20 |
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| P | 0.003 | 0.012 |
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| S | 0.002 | 0.012 |
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| Ni | 0.14 | 0.25 |
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| Cr | 2.45 | 2.20-2.70 |
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| Mo | 1.00 | 0.90-1.20 |
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| Cu | 0.12 | 0.30 |
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| Note: aSingle values are maximium. |
Composition (weld metal mass %)
| | Typical | Guarantya |
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| C | 0.12 | 0.05-0.15 |
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| Si | 0.10 | 0.80 |
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| Mn | 0.82 | 1.20 |
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| P | 0.008 | 0.030 |
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| S | 0.001 | 0.030 |
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| Ni | 0.13 | 0.25 |
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| Cr | 2.34 | 2.00-2.50 |
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| Mo | 1.04 | 0.90-1.20 |
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| Cu | 0.12 | 0.35 |
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| Note: aSingle values are maximium. |
Weld mechanical properties
| | Typical | Guaranty |
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| 0.2%YS (MPa) | 470 | 538min. |
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| TS (MPa) | 610 | 621-758 |
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| EI on 4d (%) | 27 | 17min. |
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| IV -29°C (J) | 150 | 27min. |
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| PWHT (°Cxh) | 690x8 | 690±15x1 |
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| BV | UP(AWS A.23 F9P2-EG-B3) |
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