... abasic materials for industries or construction 1 galvanized pipe hollow structural section,1 hollow pipe section1.ASTM A53,ASTM A500, ASTM A513, 2 ... : Q195,Q215,Q235,Q345,10#,20#,ASTM,A160,GRBPackaging: Plastic Cap,Inbunddle and othersZincGrade:280g-320g per M2Applications:Petroleum,power,gas ...