... WT:1.7-2.5MM 2.Strict quality control 3.Standard:ASTM A53,BS1387,API 5L,GB/T3091 4.Own two ... factory 5.MOQ:10MT COMMODITYASTM A53 BS 1139 Qualified 3/4'' ERW Carbon Steel Round PipeOD 26 ... Q195-Q345,A36, A53,ST35, ST37STANDARDASTM A53, ASTM A500, BS1387,BS 1139PAYMENT T/T. L/CTRADE TERMS FOB/CFR/CIF/EXWMIN ...