Origin |
China |
Model Number |
40Cr |
Hot rolled round steel bar, size:16mm-330mm
C: 0.37-0.44 Si: 0.17-0.37 Mn: 0.50-0.80 S: ≤0.035 P: ≤0.035 Cr: 0.80-1.10 Ni:≤0.030 Cu:≤0.030
Rm (MPa)≥980(100) Rel (MPa)≥785(80) A (%)≥9 Z (%)≥45 Aku (J)≥47 αkv (J/cm2)≥59(6) Hardness:≤207HB Test sample: 25mm
|