... Stainless Steel PipeStandard ASTM A554, A312, A249, A269 and A270Material Grade304,304L,316,316L,202,201Outer Diameter 6.5mm ... (Matt Finish, Brush, Dull Finish)400G, 600G Mirror finishApplicationFluid and gas transport,decoration, construction,medical equipment, aviation, boiler heat- ... would like to introduce us as a professional manufacturer and exporter being of 20 years experience in stainless steel ...