C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Cu(%) | C(%)(%) 0.37-0.43 | Si(%)(%) 0.15-0.35 | 0.37-0.43 | P(%)(%) ≦0.03 | S(%)(%) ≦0.035 | 0.37-0.43 | 0.37-0.43 | 0.37-0.43 | 0.37-0.43 | 0.37-0.43 |
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Carbon Steels for Machine Structural use
Steel Type | Standard | Country Code | C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | S40C | 3828 | CNS | 0.37-0.43 | 0.15-0.35 | 0.6-0.9 | ≦0.03 | ≦0.035 | ≦0.2 | ≦0.2 | 40 | 699 | GB | 0.37-0.45 | 0.17-0.37 | 0.5-0.8 | ≦0.035 | ≦0.035 | ≦0.25 | ≦0.25 | S40C | G4051 | JIS | 0.37-0.43 | 0.15-0.35 | 0.6-0.9 | ≦0.03 | ≦0.035 | ≦0.2 | ≦0.2 | 1039 | - | AISI | 0.37-0.44 | 0.7-1.0 | ≦0.04 | ≦0.05 | 1040 | - | AISI | 0.37-0.44 | 0.6-1.0 | ≦0.04 | ≦0.05 | C40 | 17200 | DIN | 0.37-0.44 | 0.15-0.35 | 0.5-0.8 | ≦0.045 | ≦0.045 | Ck40 | 17200 | DIN | 0.37-0.44 | 0.15-0.35 | 0.5-0.8 | ≦0.035 | ≦0.035 |
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C20 | S20CK | S53C | 45 | 60Mn | 35Mn | S45C(SWRH47B) | Ck22 | C30 | C45 | S50C | S9CK | 50 | 1065 | 05F | 65 | C50 | S17C | 25 | 25 |
SNB24-2 | MgAl3Zn | C22 | SCW550 | SK2 | FCMP440 | C7701B | ECu-57 | C3712BE/C3712BD | SG365 |