Mechanical Properties:
– High tensile strength and toughness
– Good fatigue resistance
– Suitable for high-stress applications
– Excellent wear resistance
Technical Properties:
– Heat treatable for improved mechanical properties
– Good weldability and machinability
– Good dimensional stability
– Resistant to thermal expansion and contraction
Chemical Composition:
– 38NiCrMo4 KB steel grade is a low-alloy steel with a composition of 0.36-0.43% carbon, 0.50-0.80% manganese, 0.60-0.90% chromium, 0.15-0.30% nickel, and 0.15-0.25% molybdenum.
The 38NiCrMo4 KB steel grade has a significant impact on the aerospace and automotive industries due to its excellent mechanical and technical properties. Its high tensile strength, toughness, and fatigue resistance make it suitable for applications in aircraft and automotive components subjected to high stress and fatigue. The steel grade’s good wear resistance and heat treatability further enhance its suitability for critical applications in these industries. Additionally, its good weldability and machinability, along with resistance to thermal expansion and contraction, make it a versatile and reliable material for various aerospace and automotive components.
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