... ,TP310S,TP316L TP321 TP202h OD: 6mm-630mm;1/8"-36" Stainless steel seamless tube: Materials grade:TP301,304,304l, 310S, 316,316L ... ,petroleum, smelting, food, water conservancy, electric power, chemical industry, chemical fiber and medical machinery etcOther FeaturesChemical and Physical characteristic: durable, corrosion ...