Supply 42crmo price, 42crmo round, 42crmo steel, 42crmo material

42crmo price, 42crmo round, 42crmo steel, 42crmo material chemical composition Carbon C: 0.38 ~ 0.45% Si Si: 0.17 ~ 0.37% Mn Mn: 0.50 ~ 0.80% sulfur S: to allow the residual phosphorus content ≤0.035% P: allow the residual content ≤0.035% chromium Cr: 0.90 ~ 1.20% Ni: to allow the residual content ≤0.030% copper Cu: to allow the residual content of ≤0.030% Mo Mo: 0.15 ~ 0.25% 42CrMo 42CrMo allowable stress allowable stress 186 ~ 310 / MPa, yield Point 930σs / MPa, 42CrMo strength, hardenability, good toughness, quenching small deformation, high strength and creep rupture strength at high temperatures. 42CrMo 35CrMo higher than the requirements for the manufacture of steel strength and greater cross-section of forgings quenched tensile mechanical properties σb (MPa): ≥1080 (110) yield strength σs (MPa): ≥930 (95) Elongation δ5 (%): ≥12 section shrinkage ψ (%): ≥45 impact energy Akv (J): ≥63 impact toughness αkv (J / cm2): ≥78 (8) Hardness: ≤217HB Sample size: Sample size is 25mm rough