42CrMo4 1.7225 Alloy Steel
42CrMo4 1.7225 Alloy Steel
42CrMo4 1.7225 Alloy Steel
42CrMo4 1.7225 Alloy Steel
42CrMo4 1.7225 Alloy Steel

42CrMo4 1.7225 Alloy Steel

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%

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Product Introduction

42CrMo4 is an industrial material, it belongs to the steel material, commonly used in the manufacture of mechanical parts and engineering structures. The following is a detailed analysis of the material:

1. Chemical composition: The chemical composition of 42CrMo4 includes:

- Carbon (C) : 0.38-0.45%

Silicon (Si) : up to 0.40%

- Manganese (Mn) : 0.60-0.90%

- Phosphorus (P) : Maximum 0.025%

- Sulfur (S) : up to 0.035%

- Chromium (Cr) : 0.90-1.20%

Molybdenum (Mo) : 0.15-0.30%

2. Physical properties: 42CrMo4 has the following physical properties:

- Density: 7.85g /cm³

- Elastic modulus: 190-210 GPa

- Melting point: 1426-1510℃

- Thermal conductivity: 46.6W /(m·K)

- Linear expansion coefficient: 11.2-12.3 ×10^-6/K

3. Mechanical properties: 42CrMo4 has good mechanical properties, with the following characteristics:

- Tensile strength: minimum 770 MPa

- Yield strength: minimum 630 MPa

- Elongation: minimum 14%

- Hardness: 199-285 HBW

- Impact toughness: size range determined

4. Processing properties: 42CrMo4 is suitable for heat treatment and machining. It can obtain the required mechanical properties through heat treatment processes such as normalizing, quenching and tempering.

5. Application: 42CrMo4 is widely used in the manufacture of engineering parts and structures requiring high strength and wear resistance, such as drive shafts, gears, connecting rods, wheel shafts and mechanical parts. It is also commonly used in the manufacture of components that require high strength and fatigue resistance, such as automotive drivetrains, aeroengine components and hydraulic system components.

In short, 42CrMo4 is an industrial material with high strength, good mechanical properties and processing properties, which is widely used in the manufacture of engineering parts and structures, and has important application value in the field of mechanical manufacturing and automotive industry.