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1.2312 40 CrMnMoS 8-7

Plastic mould steel for medium and large moulds. Because this material is supplied pre-tempered to 950 - 1,150 N/mm², it is likewise suitable for general machine building components. Due to its sulphur content, 1.2312 is easier to machine than 1.2311 but does not polish. Both materials can be gas and bath nitrided.

This material is obtained from us as VarioRond, as a raw material and as a semi-finished product to your specifications.

We recommend Toolox 33, the modern material alternative for 25% better machining performance against 1.2312.


Obtainable as the following products:



1.2312 40 CrMnMoS 8-7

Plastic mould steel for medium-sized and large moulds