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In order to fully unleash the potential of the 35CrMo4 steel grade for automotive manufacturing, it is crucial to understand its mechanical properties, as well as its chemical composition.
Mechanical Properties:
The 35CrMo4 steel grade possesses excellent mechanical properties, making it highly suitable for automotive applications. It exhibits high tensile strength, with a minimum yield strength of 930 MPa and a minimum tensile strength of 1000 MPa. This high strength ensures the structural integrity and safety of automotive components.
Additionally, the 35CrMo4 steel grade has good fatigue resistance, allowing it to withstand repetitive loading and ensuring long-term durability of automotive parts. It also exhibits good impact resistance, making it suitable for applications where components may experience sudden and severe impact.
The steel grade’s high hardness, measured with a Rockwell C hardness ranging from 22 to 28 HRC, further contributes to its suitability for automotive manufacturing. This hardness ensures that components made from 35CrMo4 steel grade can withstand wear, abrasion, and deformation under high-stress conditions.
Chemical Composition:
The chemical composition of 35CrMo4 steel grade plays a significant role in determining its mechanical properties. It is a low-alloy steel that primarily consists of the following elements:
– Carbon (C): The carbon content provides the steel with hardness and strength. The typical carbon content in 35CrMo4 steel grade ranges from 0.30% to 0.38%, contributing to its high tensile strength and hardness.
– Chromium (Cr): Chromium enhances the steel’s hardenability, corrosion resistance, and wear resistance. The chromium content in 35CrMo4 steel grade ranges from 0.80% to 1.10%, allowing for the formation of a durable and robust oxide layer on the steel’s surface.
– Molybdenum (Mo): Molybdenum enhances the steel’s hardenability, high-temperature strength, and creep resistance. The molybdenum content in 35CrMo4 steel grade ranges from 0.15% to 0.25%, contributing to its exceptional mechanical properties even under high-stress conditions.
– Silicon (Si) and manganese (Mn) are also present in small quantities, acting as deoxidizers and helping to improve the steel’s strength and toughness.
These elements, combined with proper heat treatment and alloying, result in the excellent mechanical properties of the 35CrMo4 steel grade, making it a promising candidate for the future of automotive manufacturing.
35CrMo4 Steel grade
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