C(%) | Si(%) | Mn(%) | P(%) | S(%) | C(%)(%) 0.22-0.28 | Si(%)(%) 0.15-0.35 | 0.22-0.28 | P(%)(%) ≦0.03 | S(%)(%) ≦0.035 | 0.22-0.28 | 0.22-0.28 | 0.22-0.28 | 0.22-0.28 | 0.22-0.28 |
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Carbon Steels for Machine Structural use
Steel Type | Standard | Country Code | C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | S25C | 3828 | CNS | 0.22-0.28 | 0.15-0.35 | 0.3-0.6 | ≦0.03 | ≦0.035 | ≦0.2 | ≦0.2 | 25 | 699 | GB | 0.22-0.30 | 0.17-0.37 | 0.5-0.8 | ≦0.035 | ≦0.035 | ≦0.25 | ≦0.25 | S25C | G4051 | JIS | 0.22-0.28 | 0.15-0.35 | 0.3-0.6 | ≦0.03 | ≦0.035 | ≦0.2 | ≦0.2 | 1025 | - | AISI | 0.22-0.28 | 0.3-0.6 | ≦0.04 | ≦0.05 | C25 | 17200 | DIN | 0.22-0.28 | 0.15-0.35 | 0.3-0.6 | ≦0.045 | ≦0.045 | Ck25 | 17200 | DIN | 0.22-0.28 | 0.15-0.35 | 0.3-0.6 | ≦0.03 | ≦0.035 |
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Ck45 | S33C | 20 | 1046 | S33C | 45Mn | 1020 | C15 | 8 | S25C | 1039 | S35C | 1025 | S38C | S15C | Ck40 | 1008 | S53C | S12C | S12C |
St12-03 | TTP270Pd | C2400W | ZG230-450(ZG25) | 5120 | SPA-H | SZBC2 | 3135 | 0Cr19Ni-9N | C27200 |