For the materials, there are also many choice: Tungsten Carbide, High Speed Steel, Alloy Steel, High Carbide Steel, Tool Steels. Different materials has Different cutting Efficiency and Using life. Tungsten Carbide is best material with Best Efficiency and Using Life, and then it should be High Speed Steel Materials. While the Productive costs is different too, so Price of Tungsten Carbide Blades is highest too. Customers could choose the suitable Materials under their detailed requirement.