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General high speed steels are used widely, 75%t of total amount of high speed steel. Mass fraction of carbon is 0.7%~0.9%. It can be divided into tungsten series and tungsten molybdenum series due to different levels of tungsten and molybdenum.
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High speed steel with high performance refers to the steel increasing V (＞2.50%) or Co (≥ 4.5%) or Al(0.80~1.20%) and carbon at the same time, based on general high speed steel.
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Low alloyed high speed steel refers to the high speed steel with tungsten (＝W＋1.8Mo)content of 6.50-11.75%. It has reduced heat resistance and wear resistance, and can be used for cutting tools with low cutting speed or materials with low cutting strength
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Because of inert gas atomization and rapid solidification of droplet deposition ,the spray formed HSS has low oxygen content , overall high density and fine microstrcture.
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Powder metallurgy tool materials eliminate traditional metallurgical chemical composition segregation, with uniform and fine distribution of carbides and outstanding performance, making them high-end products in tool materials.
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HEYE brand cold word die steels are manufactured via ESR, forging and heat treatment process, with high strengh and wearresistance, cold and hot applications,high toughness and high isotropy performance.
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HEYE brand hot work steels are maufactrued via ESR, forging and heat treatment process,with high performance of high strenth and toughness, high hot strengh, both hot and cold application, and high toughness and toughness.
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HY608A is the cutting tool steel specially developed for the production of machine blade, cutting cloth cutter, blades, jig saw, drill, tap etc.
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