Standard:API, ASTM, BS, API 5CT, ASTM A53-2007, BS 1387 Grade:10#-45#, A53-A369, Q195-Q345, 10#, 20#, A53(A,B), Q195, Q235 Thickness:0.5 - 2.5 mm Section Shape:Round Outer Diameter:10 - 165 mm Place of Origin:Tianjin, China (Mainland) Secondary Or Not:Non-secondary Application:Fluid Pipe Technique:ERW Certification:SGS,ISO Surface Treatment:Galvanized Special Pipe:Thick Wall Pipe Alloy Or Not:Non-alloy Name:galvanized pipe Zinc Weight:40g,80g,100g,120g,270g,400g,500g technique:ERW Length:2-12m End Treatment:Plain End Brand:Ruijie