... dip galvanized, the compound steel grating plate will warp and distort because of the heat, espacially ... plate by hot-dip zinc processing, it will be due to thermal stress generated warpage, in particular the ... 15, 25, 30, 40, 60mm etc. also be according to clients requirement and 30, 40, 60 mm are ... bar picth: 38, 50, 76, 100mm, also be according to clients requirement and 50,100mm are recommended. 4) ...