seamless steel tube: OD:10--80MM,WT:1--14MM high qlty and competitive price fast delivery,professional QA and QC departmen seamless steel tubes:OD:10 ... --80MM,WT:1--14MMhigh qlty and competitive price seamless steel tubeStandard:ASME SA106, ASME SA210,,ASME SA179, ASME SA192,ASME ... , SA53B, SA210A1, SA210C, SA179, SA192,Packing: Export sea worthy packing seamless steel tube