... Pre galvanized steel pipe Outer diameter:13~325mm Thickness:0.6~16mm Material:Q195~Q345 Standard:GB,BS,ASTM,DIN,JIS Pre galvanized steel pipeProduct nameGalvanized steel pipe ... provide all kinds of cold rolled, hot rolled steel hollow sectionsSincerely welcomes foreign customers coming throughout the business ... BS1385,ASTMA53B,Sch10-40,ASTMA500,API5L,API5CT,DIN2440andEN10219 Pre galvanized steel pipe