... steel grating 1>plain style,serrated style, and I bar type, etc 2>bearing bar size:20*3--100*10 3>bar pitch: various ... steel grating,flooring walkway,platform,stair tread,well cover,trench cover,checkered gratings, grating ladder,fencesand handrail,etc for construction ... etc. We can design and manufacture standard steel grating as per client's requirements.1) Bearing Bar (Load Bar) Specifications ...