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| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Mo(%) | Ni(%) | Yield stress (Mpa) | Tensile stress (Mpa) | Elongation (%) | C(%)(%) ≦0.25 | Si(%)(%) 0.15-0.30 | ≦0.25 | P(%)(%) ≦0.035 | S(%)(%) ≦0.04 | ≦0.25 | ≦0.25 | ≦0.25 | ≦0.25 | ≦0.25 |
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Mn-Mo and Mn-Mo-Ni Alloy Steel Plate Quenched and Tempered forPressureVessels
| Steel Type | Standard | Country Code | C(%) | V(%) | Si(%) | Al(%) | Mn(%) | P(%) | S(%) | SQV2A | 8973 | CNS | ≦0.25 | 0.15-0.30 | 1.15-1.50 | ≦0.035 | ≦0.04 | SQV2A | G3120 | JIS | ≦0.25 | 0.15-0.30 | 1.15-1.50 | ≦0.035 | ≦0.04 | Type B Class 1 | A533 | ASTM | ≦0.25 | 0.15-0.40 | 1.15-1.50 | ≦0.035 | ≦0.04 | 20MnMoNi55 | SEW-640 | DIN | 0.17-0.23 | ≦0.03 | ≦0.35 | ≦0.05 | 1.0-1.5 | ≦0.2 | ≦0.2 |
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| SQV2A | Type A Class 1 | Type A Class 2 | SPV450 | Type C Class 2 | Type C Class 1 | SQV3A | SPV450 | Type B Class 2 | Type B Class 1 | SQB3B | SQV1A | SQV3A | SQV2B | SQV1A | SQV1B | SQV2B | SQV2A | SQV2A |
| SPHC | C17200 | MP4 | MC8 | C24000 | C21000 | 20CrMnSi | CuZn28Sn1 | SCS2 | 5130 |