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Steel grating ,Galvanized steel grating ,industrial grating,steel deck grating,floor steel plate Light weighthigh strength and material savingheavy loadingEasy to instal and clean We produce steel grating,stair tread,fence,clips,chench cover,handrail stanchion,walkway,steel ladder and so on.These products are widely used on mine,factory plant,Oil industry,shipbuilding,marine engineering airport project,construction industry and so on Standard descriptions: 1.Bearing bar (load bar): 20x3……65x5mm 2.Bearing bar pitch:12.5,15,20,23.85,25,30,30.16,30.3,32.5,35,40mm US standard :1”x3/16”,1 1/4”x3/16”,1 1/2”x3/16”,1”x1/4”,1 1/4”x1/4”,1 1/2”x1/4” etc. 3.Cross bar pitch:38,50,76,100,101.6mm 4.Marterial:Q 235 ,Stainless 304 5.Surface treatment: blace,balvanized,paint. 6.Standards: 1).China:YB/T4001.1-2007 2).USA:ANSI/NAAMM(MBG531-88) 3).UK:BS4592-1987 4).Australia:AS1657-1985