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| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Yield stress (Mpa) | Tensile stress (Mpa) | Elongation (%) | ≦0.35 | ≦0.35 | ≦0.35 | ≦0.35 | ≦0.35 | ≦0.35 | ≦0.35 | ≦0.35 | ≦0.35 | ≦0.35 |
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Carbon Steel Forgings for Pressure Vessels
| Steel Type | Country Code | C(%) | Si(%) | Mn(%) | P(%) | S(%) | Yield stress (Mpa) | Tensile stress (Mpa) | Elongation (%) | ≧245 | 490-640 | ≧18 | SFVC2A | CNS | ≦0.35 | ≦0.35 | 0.4-1.1 | ≦0.03 | ≦0.03 | ≧245 | 490-640 | ≧18 | SFVC2A | JIS | ≦0.35 | ≦0.35 | 0.4-1.1 | ≦0.03 | ≦0.03 | ≧245 | 490-640 | ≧18 | Class 70 | ASTM | ≦0.35 | ≦0.35 | ≦1.1 | ≦0.05 | ≦0.05 | ≧245 | 490-640 | ≧18 | Class 2 | ASTM | ≦0.35 | 0.15-0.35 | 0.40-1.05 | ≦0.025 | ≦0.025 | ≧245 | 490-640 | ≧18 |
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| Class 1 | SFVC2A | SFVC2B | SFVC1 | Class 60 | SFVC1 | SFVC2A | Class 2 | Class 4 | SFVC2B | Class 1A | Class 70 | Class 70 |
| CuNi30Mn1Fe | SFVQ1A | Type C Class 1 | FCMP490 | SMnC420 | SCH2 | TA0 | CuNi18Zn27 | AZ91B | ZDC2 |