... steel pipe,201 welded tube erw 0.27mm 17mm tube Manufacture Standard:JIS,GB, ... welded INOXhigh quality enough nicklelong time cooperate with many countriesSpecificationsEddying Test,Ultrasonic Test,Hydrostatic ... Corrosion Test,stainless steel 201 tubesAvailable pipes & tubesStyle (Round / Oval / Square / Rectangular / Hexagon ), O.D range ( ... Outside diameter(mm) :8,9.5,11,12, 12.7,14.5, 15.9, 17,18,19, ...