hot dip galvanized steel grating, slip resistance of the flooring and walkway  M.S. Flat steel ---Bearing bar specification: ShapeWidth (mm)Thick (mm)Pitch -center to center (mm) Flat steel20-1502-1020-70 I Shape20-1502-1020-70 S (serrated) Shape20-1502-1020-70 I &S Shape20-1502-1020-70 Cross bar specification: ShapeDiameter (mm)Pitch -center to center (mm) Round bar4-1010-200 Twist bar4-1010-200 Flat steel4-1010-200 Steel Grating bearing 5-50 ton weight.  Product can be customized if bearing weight over 50 ton. Production process:   Raw material quality check------- Cut raw material------ Slotting----- Welding----- Checking----- Galvanizing. Application: Steel grating is mainly used as walking road, flooring, step, platform, drain cover in movie theather, power plant, parking lot, landscape and so on....