... - 508 mm specifications: StandardAPI 5CT, 5L; ASTM, BS, JIS, DINSteel GradeAPI 5L-B,API 5L, X42, X52,X60,X65,X70O.D.1 ... yearDelivery time20 daysMain marketAsia, India, Middle East, America, EuropeAPI 5L pipe's property: Mechanical PropertyChemical Property (%) σsσbδ ... 0050.02----X704825650.23-1.600.040.05------ API 5L 3pe coating steel pipe made in china