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两种替代进口的新产品——不锈钢复合管和钢棉,1990年8月15日在庆安钢铁厂通过了省级鉴定。不锈钢复合管和钢棉是黑龙江省庆安钢铁厂从南朝鲜和美国引进的设备和技术生产的新产品。年产能力分别为2000t。不锈钢复合管是一种新型建筑装饰材料,它具有豪华、耐锈蚀、寿命长、价格低的优点。钢棉是一种新型摩阻材料,用它制作的汽车刹车片性能好,使用寿命是石棉刹车片的3～4倍,而且不产生致癌
Two new imported products—stainless-steel composite pipes and steel wool—passed the provincial appraisal at the Qing’an Steel Plant on August 15, 1990. Stainless steel composite pipes and steel wool are new products produced by equipment and technology imported from south Korea and the United States by Qingan Iron & Steel Plant of Heilongjiang Province. Annual production capacity is 2000t. Stainless steel composite pipe is a new type of building decoration material, which has the advantages of luxury, corrosion resistance, long life, and low price. Steel wool is a new type of friction material. The car brake pads made with it have good performance. Its service life is 3 to 4 times that of asbestos brake pads, and it does not cause cancer.