... - 508 mm specifications: StandardAPI 5CT, 5L; ASTM, BS, JIS, DINSteel GradeAPI 5L-B,API 5L, X42, X52,X60,X65,X70O.D ... time20 daysMain marketAsia, India, Middle East, America, EuropeAPI 5L pipe's property: Mechanical PropertyChemical Property (%) σsσbδ5CSiMnPSNbVTiCrNiCuminminminmaxmaxmaxmaxmaxminminminmaxmaxmaxX422894130 ... ----X704825650.23-1.600.040.05------ API 5L 3pe coating steel pipe made in china