HRC58~62 bearing steel DIN6325 cylindrical dowel pin YZX0236

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HRC58-62 stands for a high hardness material, which is not a specific material name, but refers to the Rockwell hardness range that the material achieves after heat treatment. In the given search results, several different materials are mentioned to achieve such hardness, such as:

Wear-resistant steel plate: The wear-resistant layer thickness of this material is 3-12mm, and the hardness can reach HRC58-62. It has high wear resistance, which is more than 15-20 times that of ordinary steel plates, more than 5-10 times the performance of low-alloy steel plates, and more than 2-5 times the wear resistance of high-chromium cast iron1.

60CrMo: This is a kind of steel for rolls, which can be treated by surface induction hardening to achieve a hardness of HRC58-622.

42CrMo: This material can also be made with proper heat treatment to achieve hardness of HRC58-622.

12CrNi3: This is a kind of carburized steel, which can be treated by carburizing and quenching to make the surface hardness reach HRC58-622.

GCr15: This is a type of bearing steel that can be made to HRC58-622 hardness with proper heat treatment.

20CrMnTi: The gears of this material are quenched as a whole HRC58-62 and then carburized on the surface, which can improve the surface hardness and wear resistance8.

It should be noted that the hardness range expressed by HRC58-62 is obtained by the heat treatment process, not the hardness of the material itself. Different materials can obtain the same hardness value through different heat treatment processes. Therefore, HRC58-62 is not a material, but a hardness index.