– Tensile strength: 600-850 MPa
– Yield strength: 355 MPa
– Elongation: 16%
– Hardness: 187 HB
Technical properties of 40Mn4 steel grade:
– Good machinability
– Good weldability
– Good formability
– Good toughness
Chemical composition of 40Mn4 steel grade:
– Carbon (C): 0.37-0.44%
– Silicon (Si): 0.17-0.37%
– Manganese (Mn): 1.4-1.8%
– Phosphorus (P): max 0.035%
– Sulfur (S): max 0.035%
– Chromium (Cr): max 0.3%
– Nickel (Ni): max 0.3%
These properties make 40Mn4 steel grade suitable for various structural applications, providing strength, durability, and safety in building constructions.
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