TIG SJ-1CM
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ER80S-B2
Heat-resistant steel TIG SJ-1CM
Specification:AWS A5.28 ER80S-B2
ASME/SFA-5.28 ER80S-B2
GB/T 8110 ER55-B2
GB/T 39279-2020 W55I11CM
Introduction:
TIG for 550Mpa grade heat resisting steel.
For 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.
Application:
Pressure vessel
High-temperature pipelines
Pass the certification:
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Chemical Composition of Wire %
C | Mn | Si | P | S | Cu | Mo | Cr | Ni | |
AWS | 0.07-0.12 | 0.40-0.70 | 0.40-0.70 | ≤0.020 | ≤0.010 | ≤0.35 | 0.40-0.65 | 1.20-1.50 | ≤0.020 |
TR(HC) | 0.08 | 0.56 | 0.55 | 0.014 | 0.002 | 0.13 | 0.48 | 1.360 | 0.003 |
Mechanical Properties of Deposited Metal
Tensile Strength | Yield Strength | Elongation | Impact Value | PWHT | |||||
Mpa | Mpa | % | 0℃ J | ℃xh | |||||
TR(HC) | 626 | 516 | 25 | 104 | 620 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.