... ,100mm 3>big weight, intensity 4>Material: Carbon Steel... industrial metal walkways steel gratingSpecifications1>Bearing bar pitch:30,40,60mm 2 ... Grating is used in power plants,chemical plants,oil refinery,iron or steel works,machine factories,paper mill,cement mills,medicine plants ... /50G605/60/50 Welcome to visit our factory! Anping Chuanglian Metal Wire Mesh Co.,Ltd