Mechanical properties:
– Tensile strength: 700-900 MPa
– Yield strength: 400-600 MPa
– Elongation: 16-20%
– Hardness: 192 HB
Technical properties:
– Good weldability
– Good machinability
– Moderate corrosion resistance
– Excellent wear resistance
Chemical composition:
– Carbon (C): 0.36-0.44%
– Silicon (Si): 0.17-0.37%
– Manganese (Mn): 1.15-1.45%
– Phosphorus (P): Max 0.035%
– Sulfur (S): Max 0.035%
Applications:
– Automotive components such as axles, crankshafts, and gears
– Machine parts and tools
– Construction equipment
– Industrial machinery and equipment
The 40Mn4 steel grade’s combination of mechanical, technical, and chemical properties make it a versatile and reliable choice for various industrial applications. Its strength, durability, and resistance to wear and corrosion make it an ideal material for demanding environments.
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