ERW API 5L line pipe from Grade B to X80. PRODUCTION SCOPESTANDARDERW PIPE/Electric Resistant Welded pipeO.D:16mm-610mmWT:4mm-16mm API5L(PSL1, PSL2 ), API 5CT, ASTM A53, A252, EN 10219,EN10217 ,GB/T 3091-2001, GB/T 9711.1-1997 and other equivalent standards. Offering the steel material from GR.B to X80.SSAW PIPE/Spiral Submerge-arc Welded pipeO.D:219mm-3000mmWT:6mm-25mm X80 API 5L line pipe