SJ-2CM
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ER90S-B3
Heat-resistant steel Solid welding wire SJ-2CM
Specification：AWS A5.28 ER90S-B3
JIS Z3317 YG2CM-A
GB/T8110-2008 ER62-B3
NB/T 47018.3-2017
Introduction：
Solid wire for 620MPa grade heat resisting steel, used for welding 2.25%Cr-1%Mo steel, operation temperature under 550℃.
Smooth feeding, stable arc, and beautiful weld bead appearance, low spatter,has excellent welding performance.
The deposited metal has good mechanical properties.
Application：
Pressure vessel
High-temperature pipelines
construction machinery
petrochemical equipment
Pass the certification：
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Chemical Composition of Wire %
| C | Mn | Si | P | S | Cr | Mo | |
| AWS | 0.07-0.12 | 0.40-0.70 | 0.40-0.70 | ≤0.025 | ≤0.025 | 2.30-2.70 | 0.90-1.20 |
| TR(HC) | 0.075 | 0.60 | 0.55 | 0.010 | 0.008 | 2.40 | 1.15 |
Mechanical Properties of Deposited Metal
| Tensile Strength | Yield Strength | Elongation | Impact Value | PWHT | |||||
| Mpa | Mpa | % | 0℃ J | ℃xh | |||||
| TR(HC) | 685 | 610 | 22 | 125 | 690 x 1 | ||||
Packing and Recommended Parameters:(DC+)
| Diameter | Spool | Drum | ||||||
| mm/in | Current range(A) | 0.9kg(2 lbs) | 5kg (11 lbs) | 15kg(33 lbs) | 20kg(44 lbs) | 250kg(551 lbs) | 350kg(771lbs) | 400kg(881 lbs) |
| 0.8(0.030) | 50-100 | √ | √ | √ | √ | |||
| 0.9(0.035) | 50-200 | √ | √ | √ | √ | |||
| 1.0(0.040) | 80-250 | √ | √ | √ | √ | √ | ||
| 1.2(0.045) | 100-350 | √ | √ | √ | √ | √ | ||
| 1.4(0.052) | 200-400 | √ | √ | √ | √ | √ | √ | |
| 1.6(1/16) | 250-500 | √ | √ | √ | √ | √ | ||
| 2.0(5/64) | 270-500 | √ | √ | √ | √ | |||
Welding position：
Shielding Gas：
98% Ar+2% O₂
Points for Attention：
1. PWHT requirement: 690℃ x 1h
2. Preheating and interpass temperature: 185-205 ℃;
3. Gas Flow Rate: 20~25 L/min.
4. Remove the rust, moisture, oil, dust, and others from the welding area.
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