Standard:API, BS, DIN Standard2:API 5L, BS EN10219, DIN EN 10305 Grade Group:10#-45#, 16Mn, Q195-Q345 Grade:20#, 16Mn, Q235, Q345 Thickness:0.5 - 50 mm Section Shape:Rectangular Outer Diameter:10*10-1000*1000 Place of Origin:Tianjin, China (Mainland) Application:Structure Pipe Technique:ERW Certification:API Surface Treatment:Galvanized Special Pipe:API Pipe Alloy Or Not:Non-alloy Secondary Or Not:Non-secondary Type:Normalizing Treatment Material:Q235 Surface:Galvanized Length:1-12m Usage:Building Shape:. Rectangular Ends:Plain Ends Packing:STANDARD PACKING Supply Ability:10000 Ton/Tons per Month rectangular pipes Packaging & Delivery:Packaging Details standard package rectangular pipes. Port: Tianjin port