1.We'r checked by SGS, B&V 2.Material:UNS NO2200 UNS NO2201 3.Size:OD10-220*Thk 0.5-10xL 4 ... .ASTM B161 B163 5.Eddy curret Ite NameNickel seamless tubeGrade of ... materialNi200,Ni201, Ni205, N4,N6UNS NO2200, UNS NO2201, UNS NO4400StandardASTM B161, ASTM B163Size (MM ...