steel grating 1.Q235,hot dipped galvanized 2.various of steel grating styles 3.high quality steel grating 4.ISO9001:2000 Galvanized steel grating Materials:Mild carbon steel provides an economical, high strength for uses in most industrial and commercial applications.Common Sizes:Pitch of Bearing Bar A center distance between the two bearing bars adjacent to each other. *Common pitch :30mm & 40mm Other : 12.5mm, 15mm, 25mm, 60mmPitch of Cross Bar A center distance between the two cross bars adjacent to each other. *Standard pitch : 50mm & 100mm.Uses: It can be used as industrial trucks, stair treads and various floorings.The Most Popular Specification of Steel Grating:1.Steel grating with 30mm bearing bar pitch is the most widely used in industrial area.Among the general series.it maintains the strongest resistance to impulsive force.2.Steel grating with 40mm bearing bar pitch is one of most ecnomical & lightest types.It should be the best choice to customer on the occasion when the clear span is small.Also we can make the customized steel gratings.