When tungsten is alloyed in small quantities with steel, it greatly increases its hardness and forms tungsten steel that is stable at high temperatures. Tungsten steel is one of important high speed steels. High speed steel, an alloy that combines several metals, is used in high speed applications. Tungsten and molybdenum are two general metals in the combinations. Compared with tungsten carbide, tungsten steel has better flexibility. Tungsten steel alloys are widely used for the manufacture of high speed cutting tools such as taps, dies, twist drills, reamers, and saw blades, as well as rocket engine nozzles.
| Item No. | Description: | Purity | Lot Size | US$ |
|---|---|---|---|---|
| ST74-KG5 | Hardness:88.5-89.50(HRA); Density:14.4(G/CM3 ) Crack extension rate:200(kg/mm2) | Tungsten≥85% | 1 MT 1 FCL |
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| ST74-KG6 | Hardness:87.5-88.50(HRA); Density:14.3(G/CM3) Crack extension rate:280(kg/mm2) | Tungsten≥85% | 1 MT 1 FCL |
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