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| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Mo(%) | Yield stress (Mpa) | Tensile stress (Mpa) | Elongation (%) | ≦0.15 | ≦0.15 | ≦0.15 | ≦0.15 | ≦0.15 | ≦0.15 | ≦0.15 | ≦0.15 | ≦0.15 | ≦0.15 |
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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) | 4.0-6.0 | 0.45-0.65 | ≧245 | SFVAF5A | CNS | ≦0.15 | ≦0.5 | 0.3-0.6 | ≦0.03 | ≦0.03 | 4.0-6.0 | 0.45-0.65 | ≧245 | SFVAF5A | JIS | ≦0.15 | ≦0.5 | 0.3-0.6 | ≦0.03 | ≦0.03 | 4.0-6.0 | 0.45-0.65 | ≧245 | LF5 | ASTM | ≦0.15 | ≦0.5 | 0.3-0.6 | ≦0.025 | ≦0.025 | 4.0-6.0 | 0.45-0.65 | ≧245 |
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| 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 | W | W |
| AlZnMg-Cu4.5 | Gr.B21-4 | C3712BE/C3712BD | BC6C | Gr.B22-5 | MS5 | A2024TD | 1Cr17Ni-7A1 | 16MnCr5 | SQV2A |