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Chemical composition(mass fraction)(wt.%) of the SKS93
C(ï¼…) | Si(ï¼…) | Mn(ï¼…) | P(ï¼…) | S(ï¼…) | Cr(ï¼…) |
---|---|---|---|---|---|
1.00-1.10 | Max 0.50 | 0.80-1.10 | Max 0.030 | Max 0.030 | 0.20-0.60 |
Yield Rp0.2(MPa) | Tensile Rm(MPa) | Impact KV/Ku (J) | Elongation A (%) | Reduction in cross section on fracture Z (%) | As-Heat-Treated Condition | Brinell hardness (HBW) |
---|---|---|---|---|---|---|
587 (≥) | 189 (≥) | 21 | 31 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 334 |