TIG SJ-1CMV
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ER80S-G
Heat-resistant steel TIG SJ-1CMV
Specification：AWS A5.28 ER80S-G
ASME/SFA-5.28 ER80S-G
GB/T 8110 ER55-B2-MnV
GB/T 39279-2020 W55I11CM4V
Introduction：
TIG for 550Mpa grade heat resisting steel.
For 1-1.25%Cr-0.5%Mo steel in high temperature envoirment,working temperature below 520℃.
Excellent welding performance with smooth feeding, stable arc, neat welds, low spatter.
Add V content,the deposited metal has excellent creep resistance and thermal strength.
Application：
Pressure vessel
High-temperature pipelines
Pass the certification：
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Chemical Composition of Wire %
| C | Mn | Si | P | S | Cu | Ni | Cr | Mo | V | |
| AWS | 0.06-0.10 | 1.20-1.60 | 0.60-0.90 | ≤0.025 | ≤0.010 | ≤0.35 | ≤0.25 | 1.00-1.30 | 0.50-0.70 | 0.20-0.40 |
| TR(HC) | 0.084 | 1.34 | 0.73 | 0.017 | 0.006 | 0.13 | 0.30 | 1.120 | 0.510 | 0.240 |
Mechanical Properties of Deposited Metal
| Tensile Strength | Yield Strength | Elongation | Impact Value | PWHT | |||||
| Mpa | Mpa | % | 0℃ J | ℃xh | |||||
| TR(HC) | 620 | 478 | 26 | 113 | 730 x 1 | ||||
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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