TIG SJ-55-Ni1
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ER80S-Ni1
Low Alloy low temperature Steel TIG SJ-55Ni1
Specification：AWS A5.28 ER80S-Ni1
ISO 636-A: W 50 6 Z3Ni1
GB/T 8110 ER55-Ni1
Introduction：
For 550MPa grade low alloy steel, contains 1% Ni, suitable for the low temperature welding environment.
Excellent welding performance with smooth feeding, stable arc, neat welds, low spatter.
Excellent low temperature toughness, high strength, good wear resistance at -45℃.
Application：
low temperture storage tank
low temperture pipeline
Pass the certification：
CE
Chemical Composition of Wire %
| C | Mn | Si | P | S | Cu | Cr | V | Ni | Mo | |
| AWS | ≤0.12 | ≤1.25 | 0.40-0.80 | ≤0.020 | ≤0.010 | ≤0.35 | ≤0.15 | ≤0.05 | 0.80-1.10 | ≤0.35 |
| TR(HC) | 0.07 | 1.13 | 0.56 | 0.010 | 0.006 | 0.08 | 0.02 | 0.006 | 0.92 | 0.030 |
Mechanical Properties of Deposited Metal
| Tensile Strength | Yield Strength | Elongation | Impact Value | PWHT | |||||
| Mpa | Mpa | % | -45℃ J | ℃xh | |||||
| TR(HC) | 612 | 515 | 26 | 77 | AW | ||||
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. Preheating and interpass temperature: 135-165 ℃;
4. Remove the rust, moisture, oil, dust, and others from the welding area.
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