P20 mold material steel is a plastic die steel is widely used in the world. The good comprehensive mechanical property, high hardenability, can use a larger cross section of the steel to obtain a more uniform hardness, and has a polishing good performance, low surface roughness value. By using the P20 steel manufacturing mold, first quenching and tempering treatment, hardness of 28~35HRC, and then be made into mould after cold working, can be used directly. In this way, not only can ensure the mold using performance, and avoid the deformation caused by heat treatment of die.
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The above article from Songshunsteel official website (http://www.songshunsteel.com/)
The original address: http://www.songshunsteel.com/news_show_27_22_76.html, reproduced please specify. songblog1505
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