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P20 Steel vs 1.2311: Properties and Applications When choosing steel for plastic injection moulds, toolmakers need a material that offers a balance of hardness, toughness, machinability, polishability, dimensional stability, and cost. P20 steel and 1.2311 steel are two widely used …

How Heat Treatment Affects P20 Steel Performance P20 steel is one of the most widely used tool steels for plastic injection molds, die casting tooling, mold bases, and general-purpose manufacturing applications. Its popularity comes from a useful combination of strength, …