SJ-1CM(G)
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ER80S-G
Heat-resistant steel Solid welding wire SJ-1CM(G)
Specification：AWS A5.28 / ASME SFA-5.28 ER80S-G
JIS Z3317 YG1CM-A
ISO 21952-B:G 55 M21 1CM3
GB/T39279-2020 G 55 M21 1CM3
Introduction：
Solid wire for 550MPa grade heat resisting steel, operation temperature under 520℃.
High manganese content provides excellent porosity resistance and weld bead appearance.
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
petroleum refining
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Chemical Composition of Wire %
| C | Mn | Si | P | S | Cr | Mo | |
| AWS | ≤0.12 | 0.80-1.50 | 0.30-0.90 | ≤0.020 | ≤0.010 | 1.00-1.60 | 0.40-0.65 |
| TR(HC) | 0.08 | 1.02 | 0.56 | 0.015 | 0.004 | 1.30 | 0.44 |
Mechanical Properties of Deposited Metal
| Tensile Strength | Yield Strength | Elongation | Impact Value | PWHT | |||||
| Mpa | Mpa | % | R.T J | ℃xh | |||||
| TR(HC) | 630 | 460 | 26 | 110 | 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: 135-165 ℃;
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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