– Tensile strength: 1000-1200 MPa
– Yield strength: 800-1000 MPa
– Elongation: 12-15%
– Hardness: 280-320 HB
Technical properties:
– Good fatigue resistance
– High strength and toughness
– Good machinability
– Good weldability
Chemical composition:
– Carbon (C): 0.35-0.45%
– Silicon (Si): 0.15-0.35%
– Manganese (Mn): 0.70-1.00%
– Phosphorus (P): 0.035% max
– Sulfur (S): 0.035% max
– Chromium (Cr): 0.90-1.20%
– Nickel (Ni): 1.40-1.70%
– Molybdenum (Mo): 0.15-0.30%
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