Description
BRAND : ER 70S-A1
AWS A 5.28 ER 70S-A1.
Applications:
Structural steels resistant to heat, Pipelines, Gas pipes, Ships, Steam boilers, Turbine rotor, Pressure vessels
1000 mm length in sizes: 1.6 mm, 2.0 mm, 2.40 mm, 3.2 mm.
CHEMICAL ANALYSIS (Typical) %
| C | 0.090 | .s | < 0.020 | |
| Mn | 1.20 | .p | <0.020 | |
| Si | 0.60 | .ΑΙ | <0.020 | |
| Mo | 0.50 | .Zr+Ti | <0.15 | |
| Cu | 0.25 | .Nb | <0.010 | |
| V | < 0.030 |
All Weld Mechanical Properties (After PWHT) (Typical Values)
| UTS | 640 MPa | CVN Impact Energy | |
| YS | 530 MPa | At + 20 ° C | 150 Joules |
| Elongation | 27.0% | At -20° C | 90 Joules |
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