– Carbon (C): 0.37 – 0.44%
– Silicon (Si): 0.17 – 0.37%
– Manganese (Mn): 1.4 – 1.8%
– Phosphorus (P): ≤ 0.035%
– Sulfur (S): ≤ 0.035%
The technical properties of 40Mn4 steel grade include:
– Tensile strength: 600 – 850 MPa
– Yield strength: 350 – 550 MPa
– Elongation at break: 16 – 18%
– Modulus of elasticity: 190 – 210 GPa
– Impact strength: 140 – 190 J/cm2
Applications of 40Mn4 steel grade:
– Manufacturing of parts and components in the automotive industry
– Construction of machinery and equipment
– Making of shafts, gears, and other mechanical parts
Its excellent mechanical properties make it suitable for various applications where high strength and good toughness are required.
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