Mechanical properties:
– High tensile strength
– Good wear resistance
– Excellent toughness
– Suitable for heavy-duty applications
Technical properties:
– Good weldability
– Good machinability
– Can be heat treated to achieve desired hardness and strength levels
– Suitable for forging and casting processes
Chemical composition:
– Carbon (C): 0.37-0.44%
– Silicon (Si): 0.17-0.37%
– Manganese (Mn): 1.20-1.50%
– Phosphorus (P): ≤0.035%
– Sulfur (S): ≤0.035%
– Other alloying elements such as chromium, nickel, and molybdenum may also be present in small quantities to enhance specific properties.
These properties make 40Mn4 steel grade suitable for a wide range of applications in industries such as automotive, construction, manufacturing, and engineering. Its versatility and reliability have contributed to its increasing popularity among engineers and manufacturers.
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