C(%) | V(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Mo(%) | Ni(%) | Yield stress (Mpa) | ≦0.27 | ≦0.27 | ≦0.27 | ≦0.27 | ≦0.27 | ≦0.27 | ≦0.27 | ≦0.27 | ≦0.27 | ≦0.27 |
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Quenched and Tempered Alloy Steel Forgings for Pressure Vessels
Steel Type | Country Code | C(%) | V(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Mo(%) | ≦0.03 | 0.25-0.45 | 0.55-0.70 | SFVQ2B | CNS | ≦0.27 | ≦0.05 | ≦0.4 | 0.5-1.0 | ≦0.03 | ≦0.03 | 0.25-0.45 | 0.55-0.70 | SFVQ2B | JIS | ≦0.27 | ≦0.05 | ≦0.4 | 0.5-1.0 | ≦0.03 | ≦0.03 | 0.25-0.45 | 0.55-0.70 | Class 2A | ASTM | ≦0.27 | ≦0.05 | 0.15-0.35 | 0.5-1.0 | ≦0.035 | ≦0.03 | 0.25-0.45 | 0.55-0.70 |
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SFVQ1A | Class 3A | SFVQ3 | Class 2A | SFVQ2B | SFVQ2B | SFVQ2A | SFVQ1A | SFVQ1B | Class 3 | SFVQ2A | SFVQ3 | SFVQ1B | SFVQ1B |
Gr.B23-5 | GTW-35-04 | CuNi18Zn27 | FCMP690 | C75200 | ZG200-400(ZG15) | AZ80A | M2 | C2400P/C2400R | NiCr15Fe-7TiA1 |