... coating: 60-400 g/m2 (pre-galvanized steel pipe , galvanized layer 60-80g/m2;hot dipped galvanized ,galvanized layer:250-400g/m2)4) Use: Used ... the client’s requirementBrand NameJinshengMaterialHot Rolled Carbon Steel,Q195,Q215,Q235,A53,St37StandardASTM/ BS/ GBSurfaceHot dip Galvanized,Zin 250 to 400 g/m2 ...