What are the classifications of bearing spring steels?
Bearing spring steel, as a special steel, has very important applications in the engineering field. It can be classified into different classifications according to its chemical composition and performance characteristics.
1. Bearing steel
Bearing steel is a kind of special steel used to make bearing parts, which usually need to have high strength, hardness and wear resistance. According to its chemical composition, bearing steel can be divided into two categories: carbon bearing steel and alloy bearing steel. Carbon bearing steel mainly includes GCr15, GCr9SiMn, GCr9, GCr4, GCr4SiMn and other varieties, while alloy bearing steel mainly includes GCr12 and other varieties.
2. spring steel
Spring steel is used to manufacture springs and spring parts of special steel, usually need to have a high elastic limit, fatigue limit and modulus of elasticity. According to its chemical composition and performance characteristics, spring steel can be divided into carbon spring steel, alloy spring steel and stainless steel spring steel three categories. Carbon spring steel mainly includes 60Si2Mn, 50CrVA and other varieties, alloy spring steel mainly includes 60Si2CrVA, 55CrVA and other varieties, and stainless steel spring steel mainly includes 1Cr17Ni7, 1Cr17Ni8 and other varieties.
3. Carburized bearing steel
Carburized bearing steel is a surface hardening material, its main feature is the carburizing treatment on the surface of the bearing steel to form a high carbon layer, thus improving the surface hardness and wear resistance. According to its specific use and different treatment processes, carburized bearing steel can be divided into carbonitriding bearing steel, carbonization treatment bearing steel and other special treatment bearing steel and other types.
Bearing spring steel, as a kind of special steel, can be divided into a variety of classifications according to its chemical composition, performance characteristics and different uses. Different types of bearing spring steel have different application values in engineering fields and can meet the needs of different engineering materials.
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