– Ultimate Tensile Strength: 1000-1200 MPa
– Yield Strength: 800-1000 MPa
– Elongation: 11-14%
– Reduction of Area: 40-50%
– Hardness: 280-320 HBW
Technical properties:
– High strength and toughness
– Good fatigue strength
– Excellent wear resistance
– Good machinability
– Suitable for use in heavy-duty machinery and equipment
Chemical composition:
– Carbon (C): 0.30-0.38%
– Silicon (Si): 0.40% max
– Manganese (Mn): 0.50-0.80%
– Phosphorus (P): 0.025% max
– Sulfur (S): 0.015% max
– Chromium (Cr): 1.30-1.70%
– Nickel (Ni): 1.30-1.70%
– Molybdenum (Mo): 0.15-0.30%
– Alloying elements: Ni, Cr, Mo contribute to the high strength and toughness of the steel grade
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