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| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Mo(%) | Yield stress (Mpa) | Tensile stress (Mpa) | Elongation (%) | ≦0.2 | ≦0.2 | ≦0.2 | ≦0.2 | ≦0.2 | ≦0.2 | ≦0.2 | ≦0.2 | ≦0.2 | ≦0.2 |
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Alloy Steel Forgings for Pressure Vessels for High Temperature Service
| Steel Type | Country Code | C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Mo(%) | Yield stress (Mpa) | 1.0-1.5 | 0.45-0.65 | ≧315 | SFVA-F11B | CNS | ≦0.2 | 0.5-1.0 | 0.3-0.8 | ≦0.03 | ≦0.03 | 1.0-1.5 | 0.45-0.65 | ≧315 | SFVA-F11B | JIS | ≦0.2 | 0.5-1.0 | 0.3-0.8 | ≦0.03 | ≦0.03 | 1.0-1.5 | 0.45-0.65 | ≧315 | F11A Class 3 | ASTM | 0.1-0.2 | 0.5-1.0 | 0.3-0.8 | ≦0.04 | ≦0.04 | 1.0-1.5 | 0.45-0.65 | ≧315 | F11A | ASTM | 0.1-0.2 | 0.5-1.0 | 0.3-0.8 | ≦0.025 | ≦0.025 | 1.0-1.5 | 0.45-0.65 | ≧315 |
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| F11A Class 3 | SFVAF9 | 32Cr-Mo12 | SFVA-F22B | F5A | SFVAF5B | SKS21 | SFVAF5D | SFVAF5A | SFVAF5B | SFVAF2 | SFVA-F11B | 10CrMo-9-10 | SFVA-F22B | F21A | LF5 | SFVA-F21B | SFVA-F22A | 12CrMo-19-5 | 12CrMo-19-5 |
| 1330 | A2618FD/A2618FH | SC480 | MB2 | AlMg5 | MDC1B | MB5 | SBV1A | C7521W | FC200 |