Molybdenum News Center

When molybdenum tool steel, tungsten and vanadium total content greater than 7% and carbon content greater than 0.6%, is referred to HSS. This term is its capable of "high speed" metal cutting performance descriptions. Until the 1950s, 18% of tungsten T-1 is the preferred cutting steel, but the emergence of controlled atmosphere heat treatment furnaces to replace all or part of molybdenum tungsten become a reality, and very cost-effective. Molybdenum high-speed steels and wear properties make it especially in the new areas of automotive valves and cam ring inserts application is ideal. 

 

Adding 5% to 10% of molybdenum is effective to make the hardness and toughness of the best high-speed steel, and compete with the metal produced when cutting maintain these characteristics. Molybdenum Another advantage: If the primary iron and chromium carbides rapidly grew in size, it will become soft steel brittle, especially in combination with molybdenum vanadium can be reorganized in a more stable carbides tiny secondary carbides, thereby softening the steel to reduce to a minimum the degree of embrittlement. 

 

Maximum use of high-speed steel is used in the manufacture of various cutting tools: drills, milling cutters, gear cutters, saw blades and so on. High speed steel coated on the surface by a thin but hard titanium carbide coated high speed steel cutting feature will be useful to further improve this type of coating may reduce the wear and improve wear resistance, thereby increasing the cutting speed and longer tool life . 

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