EN 42CrMo4 Steel
EN 42CrMo4 Steel
42CrMo4 is a German grade of special steel. It has the characteristics of high strength, high hardness and high wear resistance, and is widely used in aerospace, automobile industry, military industry and other fields. The production process of 42CrMo4 requires strict quality control and high technical skills to ensure the stability and reliability of its material. At present, the domestic 42CrMo4 production technology has gradually matured, and is developing towards a higher level. In the future, we are confident that 42CrMo4 will become one of the representatives of domestic special steel and make greater contributions to the development of China's manufacturing industry.
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
Processing platform
Precision cutting
Transverse cutting, longitudinal cutting, winding flat, winding strip
Surface lapping
Medium and thick plate, sheet grinding, sheet whole roll grinding
cutting
Water cutting, laser cutting, plasma cutting, flame
Cut, saw board
Molding manufacturing
Cutting plate, punching sheet, leveling, rounding, planing edge
Deburring and bending
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Applications
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