... sheet 1.Thickness:0.8-1.2mm 2.Steel Grade:Q235, Q345 3.Zinc coating: Z80- ... is roll formed by roll forming machine, mainly using galvanized steel, at thickness 0.8 - 1.2mm.2. Simple ... as the floor of high buildings, it can save steel mound and can also save the weight, in ... capacity, use this panel, and save the steel quantity, and thus save cost. Specification: galvanized steel floor decking sheet