... StandardAPI 5CT, 5L; ASTM, BS, JIS, DINSteel GradeAPI 5L Grade B/ASTM A106/A53B, BS 1387O.D.1/2"--48"W ... party inspectionSGS/BVCertificatesAPI 5CT-0865, 5L-0593, ISO9001:2000Production CapacityThree mills with full production capacity, 400,000tons per yearDelivery time20 daysQualificationindependent ... marketAsia, India, Middle East, America, Europe ASTM A106/A53 Gr.B sch40 LSAM Structure Pipe Carbon