Perfection of processes of seamless steel tubes production

[摘要] The article first give a review more of hundret years long history of seamless steel tube production, especially during the last 15-20 years of the 20 th century. Prolongation, article give technological indices for 4 mills (automatical,...

[学科分类] 金属与冶金

[关键词] semless steel tubes;pipes mills;production;development