1.2312 (40CrMnMoS8-6) Material Data Sheet

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1.2312 (40CrMnMoS8-6) directly from stock & cut to your required dimensions!

International identifiers
AISI P20 + S

1.2312 standard plastic mold steel to cross-sections up to 400 mm for plastic- and die casting-molds with medium dimensions. With Sulphur additive for a better machinability.
Mold frame, IHU Tools.

quenched and tempered 280 - 325 HB


Weldability:      bad

Machinability:  5 (1 = very bad - 10 = good)

Polishability:    not suitable

Graining suitability:   not suitable


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Chemical composition
min.0,35 1,4 0,051,40,15      
max.0,45 1,6 0,102,00,25      
In stock

Flat, forged, quenched and tempered

Advantages of saw cut

The processing with the saw is a mechanical processing of the material, which results in a significantly lower unintended deformation and increased hardness for the existing structure, such as the thermal cutting.

Thus, the machined workpiece has a homogeneous structure even at the edge, which does not change in the continuation of the material.

This circumstance allows immediate finishing of the workpiece with milling or drilling . So it is not necessary to anneal the material or make a similar operation beforehand.

Do you have any questions?

We are happy to answer your questions and make you an offer for these and other materials. Contact us now for more information.

Andreas Blachowiak

Your contact person Andreas Blachowiak+49 (0) 35263-665-37

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Notice: Specifications contained in following data sheet are provided as a description, liability is excluded!