42CrMo4 Carbon Alloy Steel
42CrMo4 Carbon Alloy Steel
42CrMo4 Carbon Alloy Steel
42CrMo4 Carbon Alloy Steel
42CrMo4 Carbon Alloy Steel

42CrMo4 Carbon Alloy Steel

42CrMo4 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 Impact toughness value αkv (J/cm²) : ≥78(8) Hardness: ≤217HB Specimen size: specimen blank size is 25mm Heat treatment specification and metallographic structure Heat treatment specification: quench 850℃, oil cold; Tempering 560℃, water cooling, oil cooling. Metallographic structure: tempered sorbite.

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Product Introduction

42CrMo4 is a commonly used alloy structural steel with high strength, good toughness and hardenability, suitable for the manufacture of large and medium-sized mechanical parts and various engineering components.

Due to its excellent properties, 42CrMo4 alloy structural steel is widely used in the manufacture of large and medium-sized mechanical parts requiring high strength and toughness, as well as various engineering components. Whether in mechanical engineering, automotive manufacturing or the energy industry, 42CrMo4 steel plays an important role in providing reliable material solutions for a variety of application scenarios.

Chemical Composition:

Carbon (C) : 0.38 ~ 0.45%

Silicon (Si) : ≤0.40%

Manganese (Mn) : 0.50 ~ 0.80%

Sulfur (S) : ≤0.030%

Phosphorus (P) : ≤0.035%

Chromium (Cr) : 0.90 ~ 1.20%

Molybdenum (Mo) : 0.15 ~ 0.30%

Mechanical property

Tensile strength σb (MPa) : ≥1080(110)

Yield strength σs (MPa) : ≥930(95)

Elongation δ5 (%) : ≥12