– Tensile strength: 640 MPa
– Yield strength: 395 MPa
– Elongation: 17%
– Hardness: 197 HB
Technical Properties:
– Good machinability
– Excellent weldability
– High resistance to wear and abrasion
– Good dimensional stability
Chemical Composition:
– 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%
– Copper (Cu): Max 0.3%
The 40Mn4 steel grade has great potential in engineering and infrastructure due to its impressive mechanical properties, technical properties, and chemical composition. Its high tensile and yield strength alongside good elongation make it suitable for various structural and mechanical components. Additionally, its good machinability and weldability further enhance its usability in different engineering applications. The chemical composition also ensures good resistance to wear and abrasion, making it a reliable material for infrastructure projects. Overall, the 40Mn4 steel grade is a promising option for diverse engineering and infrastructure needs.
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