集装箱用方矩形管的研制

THE MANUFACTURE OF SQUARE-RECTANGLE STEEL TUBE FOR CONTAINERS

论述集装箱用方拒形管研制的全过程，包括产品技术要求，机组设备选型和改进，轧辊孔型设计，生产工艺参数，质量控制和检验，用户使用清况及经济效益等。

complete process on manufacturing of square-rectangle steel tube forcontainers was introduced, including the technical requirements for products,type selection andimprovement for machinery, roll pass design, preparation of process parameters,quality controland inspection, application results and the economic benefits from users, etc,.