... for industries or construction 1 galvanized pipe hollow structural section,1 hollow pipe section1.ASTM A53,ASTM A500, ASTM A513, 2.ANSI C80.1 ,ANSI ... ,JIS,DIN,BS,ENSteelGrade: Q195,Q215,Q235,Q345,10#,20#,ASTM,A160,GRBPackaging: Plastic Cap,Inbunddle and othersZincGrade:280g-320g per ...