24 July 2021 Cold Heading Steel Bar
ML35CrMo Cold Heading Steel Bar
ML35CrMo is a cold heading steel, in line with national standards GB / T 6478-1986.
Chemical Composition:
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Mo(％) | Al(%) |
|---|---|---|---|---|---|---|---|
| 0.32-0.40 | Max 0.30 | 0.60-0.90 | 0.035 | 0.035 | 0.80-1.10 | 0.15-0.25 | — |
Mechanical properties:
| Yield Rp0.2 (MPa) | Tensile Rm (MPa) | Impact KV/Ku (J) | Elongation δ5 (%) | Reduction in cross section on fracture Z (%) | Impact toughness value αkv (J / cm2) | Hardness: Annealing | Section shrinkage ψ (%) |
|---|---|---|---|---|---|---|---|
| ≥834 | ≥981 | 32 | ≥12 | 34 | ≥78 | ≤ 229HB | ≥45 |