C(%) | Si(%) | Mn(%) | P(%) | S(%) | C(%)(%) 0.37-0.44 | Si(%)(%) 0.15-0.35 | 0.37-0.44 | P(%)(%) ≦0.035 | S(%)(%) ≦0.035 | 0.37-0.44 | 0.37-0.44 | 0.37-0.44 | 0.37-0.44 | 0.37-0.44 |
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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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S45C(SWRH47B) | Ck22 | C30 | C45 | S50C | S9CK | 50 | 1065 | 05F | 65 | C50 | S17C | 25 | 1037 | C10 | S30C | 1030 | Ck55 | Cf45 | Cf45 |
Gr.C | FCMP440 | 40CrMoV4-7 | BC6 | MgAl8Zn1 | X89CrMo-V18-1 | HL | S53C | SMn438H | SCMnH3 |