... Flattened3. Pitch of Bearing bar: 30mm, 40mm, 60mmCross bar pitch: 50mm or 100mmSteel Bar Grating: material: Q235A or stainless steel plate, General Specification: 20 ... , 40*5, 50*5, 65*5 etc.Cross bar: Q235A or 304 stainless steel wire, General Specification: 5*5,6*6,8 ... *8mm4. Bar grating is widely used in the platform, corridor ...