TIG SJ-50
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ER70S-6
Low Carbon and High Strength Steel-TIG SJ-50
Specification：AWS A5.18 ER70S-6
ISO 636-A-W 42 2 W3Si1
GB/T 8110-2008 ER70S-6
GB/T 39280-2020 W49A36
Introduction：
Suitable for 490Mpa high tensile steels and mild steel.
Low S and P content, offering high plasticity, toughness, crack resistance, and low-temperature impact toughness.
Excellent welding performance with smooth feeding, stable arc, neat welds, low spatter.
Deposited metal has excellent mechanical properties.
Application：
Bridges
Construction structures
Automobiles
Machinery
Pipeline
Pass the certification：
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Chemical Composition of Wire %
| C | Mn | Si | P | S | Cu | Ni | Cr | Mo | V | |
| AWS | 0.06-0.15 | 1.40-1.85 | 0.80-1.15 | ≤0.025 | ≤0.015 | ≤0.50 | ≤0.15 | ≤0.15 | ≤0.15 | ≤0.03 |
| TR(HC) | 0.07 | 1.46 | 0.87 | 0.014 | 0.009 | 0.10 | 0.01 | 0.020 | 0.02 | 0.004 |
Mechanical Properties of Deposited Metal
| Tensile Strength | Yield Strength | Elongation | Impact Value | |||||
| Mpa | Mpa | % | -30℃ J | |||||
| TR(HC) | 558 | 448 | 27 | 77 | ||||
Diameter/Packing
| Diameter | Tube-1000mm |
| mm/in | 5kg (11 lbs) |
| 1.6(0.063) | √ |
| 2.0(0.079) | √ |
| 2.4(0.095) | √ |
| 3.2(0.126) | √ |
| 4.0(0.165) | √ |
Welding position：
Shielding Gas：
Ar
Polarity：
DC-
Points for Attention：
1. Pure Ar > 99.99%.
2. 50-200A, protective gas 5-15L/min,200-350A, protective gas 12-20L/min.
3. Remove the rust, moisture, oil, dust, and others from the welding area.
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