内衬复合管其外层为普通钢管,而内层由特殊钢或贵金属如不锈钢、铜或铝合金等制造。它的用途非常广泛,在石油、化工、医药、食品加工等领域都有应用。它不仅卫生、防腐蚀能力强延长使用寿命,而且强度高、抗冲击,并且可节约大量贵金属。 内衬复合管的生产方法主要有两种,一种是采用复合板直接生产。另一种方法就是用两种板材进行复合,长春市某 Lined composite pipe outer layer of ordinary steel, and the inner layer of special steel or precious metals such as stainless steel, copper or aluminum alloy manufacturing. Its use is very wide, in the petroleum, chemical, pharmaceutical, food processing and other fields have applications. Not only is it hygienic, it has a long service life in terms of corrosion resistance, but also has high strength, impact resistance, and can save a lot of precious metal. Lined composite pipe production methods are mainly two kinds, one is the direct production of composite panels. Another way is to use two kinds of composite board, Changchun City