1.4031 (X39Cr13) ESU quenched and tempered, approx. 30 HRC

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1.4031 (X39Cr13) directly from stock & cut to your required dimensions!

International identifiers

Martensitic steel with good mechanical properties, good machinability. Due to ESU-melting high purity and highest toughness properties. Material in quenched and tempered condition used for numerous construction elements in which resistance is required in moderately corrosive media. Often used for cutting tools because better to harden up as 1.4028.

1.4031 is popularly known as AISI 420​​​​​.


Weldability:         with caution

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

Polishability:        yes

Corrosion class:  1 (0 = weak - 5 = good)


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Chemical composition
min.0,36    12,5       
max.0,42    14,5       
In stock

flat, forged, ESU, 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.

Heidi Sommer

Your contact person Heidi Sommer+49 (0) 35263-665-33

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


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