SW431
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ER431
SUBMERGED ARC WELDING WIRE: SW431
Specification：AWS A5.9 ER431
EN12072 AISI 431
Introduction：
SW431 is a 17Cr martensitic stainless steel submerged arc welding wires, mainly used in the welding of similar base materials.
Stable arc and low spatter, and the deposited metal has excellent corrosion resistance.
Application：
Petrochemical Equipment
Food processing equipment
Medical equipment
Pass the certification：
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Chemical Composition of Wire % ：
| C | Mn | Si | P | S | Cr | Ni | |
| AWS | 0.05-0.18 | ≤0.80 | ≤0.80 | ≤0.040 | ≤0.030 | 16.0-18.0 | 1.50-2.50 |
| TR(HC) | 0.07 | 0.35 | 0.47 | 0.019 | 0.022 | 17.01 | 1.88 |
Mechanical Properties of Deposited Metal：
| Tensile Strength | Yield Strength | Elongation | Hardness | |||||
| Mpa | Mpa | % | ||||||
| TR(HC) | - | - | - | 38 | ||||
Packing and Recommended Parameters：(DC+)
| Diameter | Current Range | Spool | Hollow Coil | Drum | ||
| mm/in | Amp | 15kg(33 lbs) | 20kg(44 lbs) | 250Kg(550lbs) | 350Kg(770lbs) | 350Kg(770lbs) |
| 1.6(1/16) | 300-400 | √ | √ | √ | ||
| 2.0(5/64) | 350-450 | √ | √ | √ | ||
| 2.4(3/32) | 400-500 | √ | √ | |||
| 3.2(1/8) | 450-550 | √ | √ | |||
| 4.0(5/32) | 500-600 | √ | √ | |||
| 5.0(0.197) | 550-650 | √ | √ | |||
Welding position：
PA
Shielding Gas：
SJ-602
Attention：
1. The flux must be baked at 300~350°C for 2 hours before use.
2. Remove rust, moisture, oil, dust, and others from the welding area.
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