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W400 VMR
 BOHLER W400 VMR®W400 VMR is a low silicon, chromium-vanadium hot work tool steel which has been vacuum remelted to obtain the highest uniformity, the best cleanliness of tool steel. The material is characterized: • Extremely high toughness, with a minimum of 18 ft-lbs Room temperature Charpy V notch toughness levels • Good general wear resistance, capable of achieving up to 52 HRC • Good hot wear resistance with higher hardness • Very good thermal conductivity • Excellent polishability • Extremely good uniformity of properties in all directions Applications: • Heavy duty hot work tools and dies, aluminum and zinc, where cracking is a major issue • Mandrels, dies, and containers for metal tube and rod extrusion • Hot extrusion dies • Hot shear blades • Plastic molds requiring high polishability • Molds requiring improved cycle times • Cold work tooling with severe cracking issues |
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 W400 VMR Data Sheet | ||||||
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