Product Description

BÖHLER M268 VMR is a hardened and tempered plastic mould steel with excellent cleanliness for best polishability. The hardness is constant over the entire cross-section of the steel block, even at large sizes, due to the addition of nickel.

Property Features

  • Uniformly high strength and toughness, even at larger sizes
  • High through hardenability
  • Excellent thermal conductivity
  • No heat treatment required
  • Excellent, high polishability
  • Good texturing properties
  • Good electrical discharge machining properties
  • The material does not require heat treatment, reducing the risk of errors
  • The good toughness decreases the risk of cracking during service

Technical Specifications

Etchability Machinability supplied Polishability Through hardenable Toughness Wear resistance

Material Numbers

1.2738 40CrMnNiMo8-6-4 ~P20

Chemical Composition

0.38 0.30 1.50 2.00 0.20 1.10

Chemical composition (average %)

Available product shapes

  • Long Products
  • Plates



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