... high strength.2. Classification: Raised (Standard, Regular) and Flattened3. Pitch of Bearing bar: 30mm, 40mm, 60mmCross bar pitch: 50mm or 100mmSteel ... Bar Grating: material: Q235A or stainless steel plate, General Specification: 20*3, 25*5, 25*3, ... or 304 stainless steel wire, General Specification: 5*5,6*6,8*8mm4. Bar grating is widely used in the platform, corridor, ...