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本文介绍了镀锌焊管表面镀锌层形成的机理,镀锌层中铁锌合金层的各个相变形成情况及其性能。采用正交设计试验,优化镀锌时最佳工艺参数的组合,获得优质的镀锌焊管。镀锌前焊管的预加工和镀锌后对镀锌层表面的喷吹处理是获得优质镀锌管不可缺少的工序质量控制。
This paper introduces the formation mechanism of zinc coating on the surface of galvanized welded pipe, the formation and properties of each phase transformation of iron-zinc alloy layer in zinc coating. Orthogonal design tests are used to optimize the combination of the best process parameters for galvanizing to obtain high quality galvanized pipe. Pre-galvanized welded pipe and galvanized zinc coating on the surface of the injection process is to obtain high quality galvanized pipe indispensable process quality control.