Technical Properties:
– Tensile strength: 620-850 MPa
– Yield strength: 440 MPa
– Elongation: 18%
– Hardness: 201 Brinell
Mechanical Properties:
– Good tensile and yield strength
– Good hardness and wear resistance
– Excellent machinability and formability
– Good weldability
Chemical Composition:
– Carbon: 0.18-0.24%
– Manganese: 1.45-1.80%
– Phosphorus: 0.05% max
– Sulfur: 0.05% max
This steel grade is often used for making components such as gears, shafts, axles, and crankshafts due to its good combination of strength, toughness, and wear resistance. It can be heat treated to achieve higher hardness and strength levels. It is also suitable for welding and can be easily machined into various shapes.
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