M238

Product Description

BÖHLER M238 is a hardened and tempered, not corrosion resistant plastic mould steel. Because of the Ni-addition, there is no hardness decrease in the center of large sizes (up to 600 mm). A special melting technology offers good machinability.

Property Features

  • Very high toughness & ductility
  • High wear resistance
  • Good machinabilty
  • Good dimensional stability
  • Mirror finish polishability
  • No heat treatment necessary
  • Pre-paid

Technical Specifications

Etchability Machinability supplied Polishability Through hardenable Toughness Wear resistance

Material Numbers


1.2738 40CrMnNiMo8-6-4


Standards


4957

Chemical Composition

0.38 0.30 1.50 2.00 0.20 1.10

Chemical composition (average %)

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