C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Cu(%) | C(%)(%) 0.18-0.23 | Si(%)(%) 0.15-0.35 | 0.18-0.23 | P(%)(%) ≦0.025 | S(%)(%) ≦0.025 | 0.18-0.23 | 0.18-0.23 | 0.18-0.23 | 0.18-0.23 | 0.18-0.23 |
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Carbon Steels for Machine Structural use
Steel Type | Standard | Country Code | C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | S20CK | 3828 | CNS | 0.18-0.23 | 0.15-0.35 | 0.3-0.6 | ≦0.025 | ≦0.025 | ≦0.2 | ≦0.2 | S20CK | G4051 | JIS | 0.18-0.23 | 0.15-0.35 | 0.3-0.6 | ≦0.025 | ≦0.025 | ≦0.2 | ≦0.2 | Ck22 | 17210 | DIN | 0.18-0.25 | 0.15-0.35 | 0.3-0.6 | ≦0.035 | ≦0.035 | ≦0.3 |
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1050 | 10F | 40 | 1015 | S58C | 1026 | S9CK | S30C | S58C | S10C | S40C | S50C | Ck45 | S33C | 20 | 1046 | S33C | 45Mn | 1020 | 1020 |
1039 | C75200 | SKS51 | SCPL1 | - | SEV245 | SKT3 | H65 | H63 | SCMn1A |