1.2311, 1.2312, AISI P20, 40CMD8 - mould steel. 1.2311, 1.2312, UNS T51620 description. 1.2311 and 1.2312 are plastic mould tool steels, suitable to operate in high temperature, used mainly for plastic moulds, hydroforming tools and frames for plastic pressure ey are highly hardenable, resistant to tempering and strong in high temperature.. 1.2312 Plastic Mould Steel with Excellent ...
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