【摘要】 论述了各种管坯生产工艺路线的特征 ,分析了连铸圆坯优于用钢锭轧制的轧制坯 ;指出选择圆形、空心圆形截面连铸坯是管坯生产的发展方向 ,并提出了连铸大方坯、CC -HDR生产小直径管坯的方案。更多还原

【Abstract】 The characteristics of al l kinds of technology ways of tube billet production were introduced, and the advantages of continuous c asting round billet over ingot rol led billet were analyzed Mean while, the tube billet production development of u sing round and cavity round billet was pointed out,and the options of using continuous casting large-siz ed billet and CC-HDR of mini-diame ter billet for tube billet were pu t forward更多还原