... NO.:AISI 201 Type: Welded Wall Thickness:Sch5-Schxxs (0.5-3mm) Stainless steel welded pipe, Bright Stainless Steel Welded Pipe, ... Welded Pipe Standard: ASTM, JIS, DIN, EN, GB, KS Material: 310S, 309S, 316, 316L, 321, 317, 317L, 347H, 304, 304L, 301, 201 ... size 4.Little tolerance 5.Large producing rangeApplicationStainless steel welded pipe widely used in petroleum, chemical industry, electric ...