... 4.Standard:ASTM A53/1 HOT ROLLED ERW welded pipe:1. Out Diameter: 10mm - 1020mm2. Thickness: ... , ASTM, BS, GB/T9711.1-1997 Low pressure liquid pipe:1) Nominal OD: 21.3 - 194mm (1/ ... ASTM A-53, GB/T3091-2001 other standard pipe, complete product specifications.Exports to Europe, North ... According to customer demand production of special specification pipe.Tianjin Sunlight Import & Export Trading Co., Ltd ...