– Tensile Strength: 1100-1300 MPa
– Yield Strength: 900-1100 MPa
– Elongation: 10-15%
– Hardness: 280-320 HB
Technical Properties of 40NiCrMo2 KB Steel Grade:
– Good fatigue resistance
– High strength and toughness
– Good machinability
– Good wear resistance
– Suitable for high-stress applications
Chemical Composition of 40NiCrMo2 KB Steel Grade (percentage by weight):
– Carbon (C): 0.38-0.45%
– Silicon (Si): 0.15-0.35%
– Manganese (Mn): 0.50-0.80%
– Phosphorus (P): 0.025% max
– Sulfur (S): 0.025% max
– Chromium (Cr): 0.90-1.20%
– Nickel (Ni): 1.25-1.65%
– Molybdenum (Mo): 0.15-0.30%
Overall, 40NiCrMo2 KB steel grade exhibits excellent strength and durability properties, making it suitable for use in high-stress and high-wear applications, such as gears, shafts, and other mechanical components. Its good machinability also makes it a popular choice for various industrial applications.
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