1.steel grating 2.Bar:30,40mm,60mm 3.Cross bar:6mm 4.Distance of bar:30-100mm 5.ISO9001-2000 1.Steel Grating is the most popular of all grating types due to its strength,cost efficient production and ease of installation. Material:carbon steel or stainless steel Bearing bar:from 20x3mm to 100x10mm/ I section from 25x5x3mm to 75x7x4mm Bearing bar pitch:12.5mm,30mm,34.3mm,40mm,60mm or according to ...