S45C JIS G 4051

S45C is a medium carbon steel grade defined in JIS G 4051 standard. It is widely used in machinery parts, automotive parts, and general applications. It has good machinability and excellent mechanical properties, including high tensile strength and good toughness. S45C can be heat treated to achieve various properties, such as increased hardness and wear resistance. It is comparable to AISI 1045 and DIN 1.1191 steel grades.

S45C JIS G 4051 is an engineering material, here are some key points of this product specification:

1. Chemical composition: Chemical composition includes carbon, silicon, manganese, phosphorus, sulfur and iron, of which the carbon content is about 0.42-0.48%, which is its most critical chemical composition.

2. Mechanical properties: hardness is 160-220HB, strength is 690-850MPa, yield strength is 490-690MPa, elongation is 17-30%. These mechanical properties make the S45C material ideal for applications with high strength and rigidity.

3. Heat treatment: normalizing and surface quenching can be carried out, normalizing treatment can improve the hardness and strength of the material, and surface quenching can improve the wear resistance and toughness of the material.

4. Machining performance: It has good machining performance, easy to cut, welding and forging. Therefore, the material is widely used in various machining field

equivalent material

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