... .25-3.5mm 3.Surface:Mirror,Satin/HL Commodity Stainless Steel Pipe Standard ASTM A213, ASTM A312, ASTM A269, ... Industry Treatment Hot Rolled, Cold DrawnApplication Stainless steel pipe is widely used in Water,Boiler Tube,Heat Exchange,Oil and Chemical ... Industry,Food and Medical Industry,Machine Manufacture ,Electrical Industry 304 stainless steel tube ...