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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) | 0.5-0.8 | 0.45-0.65 | ≧275 | SFVAF2 | CNS | ≦0.2 | ≦0.6 | 0.3-0.8 | ≦0.03 | ≦0.03 | 0.5-0.8 | 0.45-0.65 | ≧275 | SFVAF2 | JIS | ≦0.2 | ≦0.6 | 0.3-0.8 | ≦0.03 | ≦0.03 | 0.5-0.8 | 0.45-0.65 | ≧275 |
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| X12CrMo7 | SFVAF12 | SFVAF5D | SFVA-F22A | SFVAF1 | SFVAF5C | SFVA-F21A | SFVA-F21A | F5 | SKS21 | SKS1 | SFVA-F11B | SFVA-F21B | SKS1 | F1 | 13CrMo-4-4 | F9 | X130W5 | 120W4 | 120W4 |
| TA2 | MDC1B | C1220P/C1220R | 304N1 | G-X300Cr-Mo271 | CuBe2 | GD-MgAl9Zn1 | Type B Class 1 | GGG-NiSi-Cr20-5-2 | SMA400BW |