– Tensile Strength: 1000-1200 MPa
– Yield Strength: 800-950 MPa
– Elongation: 11-14%
– Impact Toughness: 27-35 J
Technical Properties:
– Hardness: 280-330 HB
– Heat Treatment: Quenched and tempered
– Weldability: Good
– Machinability: Good
– Fatigue Strength: High
Chemical Composition:
– Carbon (C): 0.32-0.40%
– Silicon (Si): 0.40% max
– Manganese (Mn): 0.50-0.80%
– Phosphorus (P): 0.025% max
– Sulfur (S): 0.025% max
– Chromium (Cr): 0.80-1.10%
– Nickel (Ni): 0.90-1.20%
– Molybdenum (Mo): 0.15-0.30%
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