PIPE OD:48.3mm-2020mm PIPE WT:2.0mm-20.0mm EXECUTIVE STANDARD:API 5L and GB/T9711.1--1997 STEEL petroleun line pipesDetailed Product Description PIPE OD:48.3mm-2020mmPIPE WT:2.0mm-20.0mmEXECUTIVE STANDARD:API 5L and GB/T9711.1--1997STEEL GRADE:L175,L210,L245,L290,L320,L360,L415,L450,l458,A25,X42,X46,X52,X60,X65,X701)Mainly used for general structure and machine structure.2) High quality 3) Fast ...