... JIS,GB,DIN,ASTM,EN,AISI welded INOX 201 stainless steel pipe,201 welded tube erw 0.27mm 17mm tube ... ,Hydrostatic Test,Hardness Test,Impact Test,Flaring Test,Corrosion Test,stainless steel 201 tubesAvailable pipes & tubesStyle (Round / Oval / Square / Rectangular ... 5mm ~ Max. 50mm)StandardASTM A 268 (Seamless and Welded Ferritic Stainless Steel Tubing For General Service)TP405 / TP410 / TP429 / TP430 / ...