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BÖHLER W400 VMR

Vacuum remelted hot work tool steel with a good temper resistance, but tougher than W403.

Due to the balanced combination of a modified chemical composition and an optimized processing route, optimum material properties have been achieved in BÖHLER W400 VMR.

Most importantly, BÖHLER W400 VMR’s toughness is higher then any other hot work tool steel available on the market.

  • Good macro- and microstructure with lowest levels of segregation
  • Lowest gas contents
  • Lowest levels of unwanted trace elements
  • Excellent homogeneity and isotropy
  • Highest degree of cleanliness
  • Highest toughness
  • Best polishability
  • Higher thermal conductivity

BÖHLER W400 VMR

  • High temperature strength 30%
  • Wear resistance 40%
  • Toughness 100%
  • Machinability 20%

Designations

Chemical composition

C 0.37 Si 0.20 Mn 0.30
Cr 5.00 Mo 1.30 V 0.50