... : 21.3-323mm 3, material grade: Q195-235 4,Zinc: 60-400g/m2 1) Material: Q195, Q215, Q235,Q235B2) Standards: BS1387-1985, GB/T3091 ... according to the client’s requirementBrand NameJinshengMaterialHot Rolled Carbon Steel,Q195,Q215,Q235,A53,St37StandardASTM/ BS/ GBSurfaceHot dip Galvanized,Zin 250 to 400 ...