Product description I type bar steel grating is one of the more lighter ,more economical and paratical comparing to plain grating . I bar steel grating is suitable for both commercial and industrial applications.I bar steel grating material kindly divide into Carbon steel, galvanized steel or stainless steel material options.It is Lighter weight and high strength. Dimensions : Smooth Surface and Serrated Surface Specification Bearing bar sizes (mm) 25 × 5 × 3, 32 × 5 × 3, 38 × 5 × 3, 50 × 7 × 4, 60 × 7 × 4, 75 × 7 × 4 Bearing bar pitch (mm) 12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40, 41, 60 Cross bar pitch (mm) 38, 50, 76, 100, 101.6 Product Advantages: (1)Lightweight when the loads is equal to standard welded or press lock gratings. (2)Carbon steel, galvanized steel and stainless steel grating for choice. (3)Serrated or non-serrated grating for different slip resistance applications. (4)Ranges of bearing loads for light to heavy duty applications as platform or walkway gratings. (5)Advanced equipment and efficient production for fast delivery.