Stainless steel welded tube / pipe 1. Standard: GB, ASTM, JIS, DIN, EN, AISI 2. Material: 304, 304L, 316, 316L, ... / pipe1. Standard: GB, ASTM, JIS, DIN, EN, AISI2. Material: 304, 304L, 316, 316L, etc3. Size: 12.7MM-----104MM4. Thickness: 0.5mm ... customer request. Stainless Steel Industrial Piping(JIS G 3459) 1. Chemical Composition MaterialChemical Composition %JIS G 3459CSiMnPSNiCrMoSUS 304≤0.08≤1. ...