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| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Mo(%) | Yield stress (Mpa) | Tensile stress (Mpa) | Elongation (%) | ≦0.3 | ≦0.3 | ≦0.3 | ≦0.3 | ≦0.3 | ≦0.3 | ≦0.3 | ≦0.3 | ≦0.3 | ≦0.3 |
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Alloy Steel Forgings for Pressure Vessels for High Temperature Service
| Steel Type | Country Code | C(%) | Si(%) | Mn(%) | P(%) | S(%) | Mo(%) | Yield stress (Mpa) | Tensile stress (Mpa) | 0.45-0.65 | ≧275 | 480-660 | SFVAF1 | CNS | ≦0.3 | ≦0.35 | 0.6-0.9 | ≦0.03 | ≦0.03 | 0.45-0.65 | ≧275 | 480-660 | SFVAF1 | JIS | ≦0.3 | ≦0.35 | 0.6-0.9 | ≦0.03 | ≦0.03 | 0.45-0.65 | ≧275 | 480-660 | F1 | ASTM | 0.2-0.3 | 0.20-0.35 | 0.6-0.9 | ≦0.025 | ≦0.025 | 0.45-0.65 | ≧275 | 480-660 |
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| SFVAF2 | SFVAF5C | X12CrMo7 | SFVAF12 | SFVAF5D | SFVA-F22A | SFVAF1 | SFVAF5C | SFVA-F21A | SFVA-F21A | F5 | SKS21 | SKS1 | SFVA-F11B | SFVA-F21B | SKS1 | F1 | 13CrMo-4-4 | 13CrMo-4-4 |
| SC450 | SUP9 | C6241BE/C6241BD | C1100T | SF55B | 0Cr18Ni-12Mo2Ti | SNB7 | SBV2 | 9SMnPb36 | SEV295 |