Product Description
- 42CrMo4(1.7225) alloy structural steel Implementation standard :EN 10083/1-1991 Features: 42CrMo4 strength, high hardenability, good toughness, small deformation during quenching, high creep strength and lasting strength at high temperature. Physical property Chemical composition Carbon C: 0.38 ~ 0.45 Silicon Si: ≤0.40 Manganese Mn: 0.60 ~ 0.90 Sulfur S: Allowable residual content ≤0.035 P: Allowable residual content ≤0.035 Chromium Cr: 0.90 ~ 1.20 Molybdenum Mo: 0.15 ~ 0.30 ●42CrMo4 standard: China GB 42CrMo, Russia OCT 38XM, USA AISI 4140/4142, UK BS 708M40/708A42/709M40, France NF 40CD4/42CD4, Germany DIN 41CrMo4/42CrMo4, Japan JIS SCM4, international ISO 683/13 Mechanical property Tensile strength σb (MPa) : ≥1080(110) Yield strength σs (MPa) : ≥930(95) Elongation δ5 (%) : ≥12 Section shrinkage (%) : ≥45 Impact power Akv (J) : ≥63
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