1.2379 ESR (X153CrMoV12) Material Data Sheet

The ledeburitic cold work steel 1.2379 ESR has an improved material property due to the electro-slag remelting process (ESR). Our ESR material is used when better material purity, particularly high tensile strength and compressive strength are required. The material 1.2379 ESR with high resistance to wear and abrasion and edge-holding properties, exhibits a high resistance against abrasive and adhesive wear.

bending tools, plastic molds during the processing abrasive polymers, machine knives, cold shear blades, cold extrusion tools, thread rolling dies, thread rolling, deep drawing tools, cutting and punching tools, milling cutters.

annealed max. 255 HB

Weldability: bad

Machinability: 2 (1 = very bad - 10 = good)

Polishability: yes

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

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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.