... quality and competitive price;2.Cerficate:ISO3.Stock information: in stock 309S Seamless stainless steel tubeGradeSUS201, SUS202,SUS301, ... 4, No.8, 8K, HL(Hair Line) ,PolishedThickness0.6mm-60mm Outer Diameter6.0mm-630mmShapeRound,rectangular,squareApplicationChemical industry equipment, Industrial ... etc..Tianjin Teda Yada Steel co., Ltd was established in 1993, which located on Tianjin. We are a ...