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| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | W(%) | Mo(%) | Ni(%) | Cu(%) | C(%)(%) ≦0.2 | Si(%)(%) ≦0.6 | ≦0.2 | P(%)(%) ≦0.04 | S(%)(%) ≦0.04 | ≦0.2 | ≦0.2 | ≦0.2 | ≦0.2 | ≦0.2 |
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Steel Castings for High Temperature and High Pressure Service
| Steel Type | Standard | Country Code | C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | W(%) | SCPH32 | G5151 | JIS | ≦0.2 | ≦0.6 | 0.5-0.8 | ≦0.04 | ≦0.04 | 2.00-2.75 | ≦0.1 | Gr.WC9 | A217 | ASTM | 0.05-0.18 | ≦0.6 | 0.4-0.7 | ≦0.04 | ≦0.045 | 2.00-2.75 | ≦0.1 | SCPH32 | 7147 | CNS | ≦0.2 | ≦0.6 | 0.5-0.8 | ≦0.04 | ≦0.04 | 2.00-2.75 | ≦0.1 | ZG12Cr2-Mo1G | 16253 | GB | 0.08-0.15 | 0.3-0.6 | 0.5-0.8 | ≦0.035 | ≦0.035 | 2.0-2.5 | GS-18Cr-Mo9-10 | 17245 | JIS | 0.15-0.20 | 0.3-0.6 | 0.5-0.8 | ≦0.02 | ≦0.015 | 2.0-2.5 |
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| Gr.WC9 | Gr.WCC | GS-17Cr-Mo5-5 | SCPH23 | SCPH21 | Gr.WCA | ZG240-450B | SCPH21 | SCW410 | Gr.2 | SCPH23 | SCPH1 | GS-17Cr-MoV5-11 | SCPH11 | Gr.WC1 | ZG15Cr1-MoG | ZG19MoG | SCPH2 | SCPH2 |
| SNB23-4 | II B15%Cr-Mo-HC | C7521B | C5212P/C5212R | SMA490AW | 329J1 | Gr.D | C3561P/C3561R | No.35 | 631 |