【摘要】 介绍了引进日本ＷＪ－４５Ｕ－Ｃ外包覆不锈钢复合管机组的工艺布置、辊型和成型模块的设计模型，对我国改造焊管生产线具有参考价值更多还原

【Abstract】 A designing model of technology arrangement, rolling type and forming blocks of a welding set, imported from Japan and for compound pipes used stainless steel as outer covering, is intruduced. This will have reference values for us to improve welding pipe production line.更多还原