tube mill; welded tube mill; steel tube mill tube mill; welded tube mill; steel tube mill 1. General introduction KJ Series ... pipe mill lines are used to manufacture welded steel pipes of diameter range from Φ7mm-Φ365mm, wall ... practical. 2.Applied raw material: Low carbon steel, low alloy steel, galvanized steel, stainless steel,etc 3. Popular models and corresponding capacity: ...