1.4542 (X5CrNiCuNb16-4) Material Data Sheet

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1.4542 (X5CrNiCuNb16-4) directly from stock & cut to your required dimensions

International identifiers
AISI 630, 17-4PH

Material 1.4542 - analytically equal to 1.4548 and 17-4PH - is a stainless steel with high yield strength, high wear resistance and good corrosion resistance. The material is currently stored with condition H1150 and H1025. The use in low-temperature range is possible! Excellent impact resistance even at sub-zero temperatures!

Due to the combination of corrosion resistance and the good mechanical properties, this material is also suitable for use in maritime environments. This material is used whenever the corrosion resistance and the mechanical properties of the martensitic steels are insufficient. In standing seawater susceptible to crevice corrosion.

1.4542 is popularly known as AISI 630​​​​​​​​​​​​​​​​​​​.

Plant construction, chemical industry, wood industry, offshore, shipbuilding, mechanical engineering, oil industry, paper industry, aviation, sport and leisure industry.


solution annealed & quenched and aged

Weldability:       good

Machinability:   3 (1 = bad - 10 = good)

Polishing:          yes

Corrosion class:   3 (0 = weak - 5 = good)


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Chemical composition
min.bis bisbisbisbis15,0bis3,0   
min.   3,0   5xC    
max.   5,0    0,45    
In stock

flat, forged, solution annealed & quenched and aged

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.

Your contact person Silvia Schubert+49 (0) 35263-665-36+49 (0) 35263-665-35

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


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