– Tensile Strength: 700-850 MPa
– Yield Strength: 550-700 MPa
– Elongation: 16-19%
– Hardness: 170-210 HB
Technical Properties:
– Good toughness and hardenability
– Good fatigue resistance
– Good wear resistance
– Suitable for parts requiring high strength and toughness, such as gears, shafts, and crankshafts
Chemical Composition:
– Carbon (C): 0.38-0.45%
– Silicon (Si): 0.40% max
– Manganese (Mn): 0.60-0.90%
– Phosphorus (P): 0.025% max
– Sulfur (S): 0.035% max
– Chromium (Cr): 0.90-1.20%
– Other elements (such as nickel and copper) may be present in smaller amounts, depending on the specific grade and heat treatment of the steel.
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