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1.3346
HS6-5-3
1.3346 (HS6-5-3) is a [[glossary:schnellarbeitsstahl|high-speed steel]] with 6 % [[element:W|tungsten]], 5 % [[element:Mo|molybdenum]], and 3 % [[element:V|vanadium]] — identical to 1.3344. The higher vanadium content gives harder [[glossary:karbid|carbides]] and more [[glossary:verschleissfestigkeit|wear resistance]]. Used for tools for abrasive materials.