废钢铁是钢铁工业的重要原材料，也是机器制造工业、轻工业、农业等各行业的原料。制定废钢铁标准，加强废钢铁的科学分类和管理，不仅可以加速钢铁工业的发展，也可加速国家经济发展，为国家节约资源和能源，降低物资消耗和生产成本，提高经济效益。同时还可以消除公害，变废 Steel scrap is an important raw material for the steel industry and a raw material for various industries such as machine building, light industry and agriculture. Making scrap steel standards and strengthening the scientific classification and management of scrap iron can not only speed up the development of the steel industry, but also speed up the country’s economic development, saving resources and energy for the country, reducing material consumption and production costs, and increasing economic benefits. At the same time can also eliminate pollution, waste