The iron and steel industry has the following characteristics: 1. Good toughness and high strength 2. The grinding wheel has good self-sharpening properties, and no need to trim during use, which can greatly improve the grinding efficiency. 3. The long service life of the grinding wheel and high metal removal rate can effectively save costs. . Grinding wheels are mainly used in the grinding of cast iron parts, cast steel parts, brass, bronze, aluminum alloy and non-metallic materials.