1.silicon carbide fiber disc used for the work pieces made of materials ... 2High-speed steel, High-carbon steel 1.silicon carbide fiber disc, has good flexibility, high Intensity and high Wear-resisting ... be used widelysuitable for normal steel grinding, grinding, rough grinding, higher anti-pulls Intensity metal grinding as well, i.e.White aluminum ... , i.e. single alundum silicon carbide fiber disc