hot-dipped galvanized steel pipe 1) material:Q195, Q215, Q235, ... T:0.8-8mm 4) Length: 6000mm Hot-dipped galvanized steel pipe,galvanized steel pipe,galvanized steel tube1)material:Q195, Q215, Q235, Q3452)O.D ... :20-219mm3)W.T:0.8-8mmCommoditygalvanized steel pipeOuter diameter20~219mmWall thickness0.8~8mmLength6000mmStandardASTM,BS1387-1985 ... the ISO9001:2000 strictly. Hot-dipped Galvanized Steel Pipe