42Cr4 Steel: An Essential Component for High-Performance Machinery and Equipment

42Cr4 Steel: An Essential Component for High-Performance Machinery and Equipment

1. Spesifikasiya:
– Steel Grade: 42Cr4
– Standards: EN 10083-3:2006
– Equivalent grades: DIN 1.7035, BS 530A40, JIS SCr445H, ASTM A29/A29M 5140

2. Mexaniki xüsusiyyətlər:
– Tensile strength: 700-850 MPa
– Yield strength: 420-580 MPa
– Elongation: 14-17%
– Hardness: 201-229 HB
– Impact toughness: 34 J/cm² (at 20°C)
– Elastiklik modulu: 210 GPa

3. Texniki xüsusiyyətlər:
– Density: 7.86 g/cm³
– Melting point: 1420-1460°C
– Thermal expansion coefficient: 11.0 x 10^-6/K
– Specific heat capacity: 486 J/kg·K
– Electrical resistivity: 0.20 x 10^-6 Ω·m

4. Kimyəvi Tərkibi:
– Karbon (C): 0,38-0,45%
– Silicon (Si): 0.40% max
– Manqan (Mn): 0,60-0,90%
– Phosphorus (P): 0.025% max
– Sulfur (S): 0.035% max
– Xrom (Cr): 0,90-1,20%

42Cr4 steel is widely used in high-performance machinery and equipment due to its excellent mechanical properties and technical characteristics. It offers high tensile and yield strength, good elongation, and impact toughness, making it suitable for heavy-duty applications. The steel also has a good hardness range and is resistant to wear, which enhances its durability. Its chemical composition ensures good hardenability and machinability, making it a preferred choice for components in the automotive, aerospace, and machinery manufacturing industries.