– High tensile strength
– Good toughness and ductility
– Excellent wear resistance
– High fatigue strength
– Good machinability and weldability
Technical Properties:
– Good thermal conductivity
– Moderate corrosion resistance
– Good dimensional stability
– Excellent impact resistance
– Adequate hardenability
Chemical Composition:
– Carbon: 0.40-0.45%
– Manganese: 1.00-1.30%
– Silicon: 0.20-0.35%
– Phosphorus: 0.04% max
– Sulfur: 0.04% max
– Chromium: 1.00-1.25%
– Nickel: 0.40-0.70%
– Molybdenum: 0.15-0.25%
– Other elements (trace amounts): copper, vanadium, titanium
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