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38NiCrMo4 KB Steel Grade: Unlocking Potential for High-performance Machinery

38NiCrMo4 KB Steel Grade: Unlocking Potential for High-performance Machinery

38NiCrMo4 KB is a steel grade that is specifically designed for high-performance machinery applications. It offers excellent mechanical properties and a well-balanced chemical composition, making it suitable for demanding industrial environments.

Mechanical Properties:
– Tensile Strength: The minimum tensile strength of 38NiCrMo4 KB steel grade is typically in the range of 800-1000 MPa. This high tensile strength ensures the material’s ability to withstand heavy loads and resist deformation.
– Yield Strength: The minimum yield strength of 38NiCrMo4 KB is usually around 600-800 MPa. This indicates the stress level at which the material starts to exhibit permanent deformation.
– Elongation: The minimum elongation at break of 38NiCrMo4 KB is generally around 10-15%. This property determines the material’s ability to stretch and absorb energy before fracturing.
– Impact Strength: 38NiCrMo4 KB offers good impact strength, allowing it to withstand sudden shock and vibration without failure.

Chemical Composition:
The chemical composition of 38NiCrMo4 KB steel grade is as follows:

– Carbon (C): 0.36-0.44%
– Silicon (Si): 0.10-0.40%
– Manganese (Mn): 0.50-0.80%
– Phosphorus (P): maximum 0.035%
– Sulfur (S): maximum 0.035%
– Chromium (Cr): 0.90-1.20%
– Nickel (Ni): 1.30-1.70%
– Molybdenum (Mo): 0.15-0.30%

The presence of nickel, chromium, and molybdenum enhances the material’s hardenability, toughness, and resistance to wear and fatigue. These alloys also contribute to the material’s high strength and excellent mechanical properties.

Overall, 38NiCrMo4 KB steel grade offers a combination of high tensile strength, good ductility, and enhanced resistance to fatigue, making it ideal for high-performance machinery applications where reliability and durability are crucial.
38NiCrMo4 KB Steel grade
1699011941