... 3. Delivery:7-30days 4.Availability:20,000tons/year 5.First-class flooring and platform steel grating panel 1) Bearing Bar (Load ... section type is 25 x 5 x 3, 32 x 5 x 3, 38 x 5 x 3, 40 x 5 x 3, 50 x ... . 2) Bearing Bar Pitch (center to center):12.5, 15,25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60 ... , 60.32, 80, 100 mm etc, also be according to client's requirement and 30 ...