... : 304, 304L,304Cu, 316,316L,409L,410L.and so on Stainless Steel tubes: 1) Type: austenitic. 2) Process method:cold drawn orcold ... ) Standard: ASTM, or GB. 4) Diameter: 2mm to 910mm. 5) Wall thinkness: 0.5mm to 45mm. 6) Grade: TP304, 304L, 316 ... , 316L, 321, or other materials according to customer's chemical component. 7) Applications: petrol-chemical project, food industry,heat ...