Product Description

BÖHLER M261 is a precipitation-hardening steel grade for plastic moulds, featuring excellent machinability in the as-supplied, i.e. solution annealed and aged, condition. There is no need for an additional heat treatment, significantly shortening the throughput time.

Property Features

BÖHLER M261 EXTRA – follows current trends in tool and die-making:

  • Excellent machinability coupled with higher hardness
  • Good dimensional stability
  • Excellent nitriding properties


in the processing of plastics by offering:

  • High compressive strength
  • High wear resistance

Technical Specifications

Etchability Machinability supplied Polishability Through hardenable Toughness Wear resistance

Material Numbers

X13NiCuAlS4-1-1 X13NiCuAl4-1-1

Chemical Composition

0.13 0.30 2.00 0.15 0.35 3.50 1.20 1.20

Chemical composition (average %)

Available product shapes

  • 6-Side Machining
  • Flat Bar
  • Ground Flat
  • Long Products
  • Plates
  • Ready Pieces
  • Round Bar
  • Round Ground Bar
  • Standard Bar

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