Manufacture of spiral welded pipe used in waterwork, pretreatment, powder spraying, property and testing method of painted steel pipe are introduced, the development trend is included also.

• 介绍了自来水工程用螺旋焊管的制造、前处理、粉末涂塑工艺及涂塑钢管的性能与检验方法,指出自来水用钢管涂塑的发展趋势。