SAW
PF-H203/ US-203E
SAW flux and wire combination
| Features: | - Suitable for multi-layer butt welding of 3.5% Ni steel
- Excellent impact value down to -100°C after PWHT
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| Classification: | AWS A5.23 F7P15-ENi3-Ni3 |
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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 | Mesh | Can | Wire | φ mm | Coil |
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| PH-H203 | 10x48 | 20kg | US-203E | 4.0 | 25kg |
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| Volume mm | 240W, 350H, 240L | Volume mm | 430W, 90H, 430L |
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Composition (wire mass%)
| | Typical | Guarantya |
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| C | 0.06 | 0.13 |
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| Si | 0.18 | 0.05-0.30 |
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| Mn | 0.98 | 0.60-1.20 |
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| P | 0.005 | 0.020 |
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| S | 0.002 | 0.020 |
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| Ni | 3.48 | 3.10-3.80 |
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| Cr | 0.03 | 0.15 |
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| Cu | 0.11 | 0.35 |
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| Note: aSingle values are maximium. |
Composition (weld metal mass %)
| | Typical | Guarantya |
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| C | 0.04 | 0.12 |
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| Si | 0.21 | 0.80 |
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| Mn | 0.73 | 1.60 |
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| P | 0.008 | 0.030 |
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| S | 0.004 | 0.025 |
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| Ni | 3.35 | 2.80-3.80 |
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| Cr | 0.02 | 0.15 |
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| Cu | 0.10 | 0.35 |
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| Note: aSingle values are maximium. |
Weld mechanical properties
| | Typical | Guaranty |
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| 0.2%YS (MPa) | 440 | 400min. |
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| TS (MPa) | 530 | 483-655 |
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| EI on 4d (%) | 34 | 22min. |
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| IV -101°C (J) | 130 | 27min. |
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| PWHT (°Cxh) | 610x1 | 620±15x1 |
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