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* Material: Low carbon steel, stainless steel
* Surface treatment: Hot dipped galvanized, painting
* Application: Industrial platform flooring and walkway, traffic and steel structure etc.
* Common sizes as follow:
G303/30/100 G255/30/100 G305/30/100 G505/30/100 G203/30/50 G205/30/100 G255/30/50 G303/30/30 G808/30/100 G605/30/100 G355/30/100 G355/30/50 G325/30/100
Steel gratings consist of a series of bearing bars cross jointed by welding at various intervals with cross bars (twisted square bars, square bars, round bars, flat bars etc.), to form a kind of steel products with square lattices among them. Their main applications are drain covers, steelwork platform panels, and steel stair treads.
Specifications as follow:
|Material||Steel,Low carbon steel,stainless steel &（Q235,A36,SS304,SS316L,S235JR）|
|Surface treatment||Black, hot dipped galvanized, paint|
|Bearing bar width*thickness||25x3,25x4,30x3,30x4,30x5,32x5,40x5,50x5,.....75x10mm|
|Bearing bar pitch||12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 34.3, 35, 40, 41, 60mm. US standard: 1"x3/16", 1 1/4"x3/16", 1 1/2"x3/16", 1"x 1/4", 1 1/4"x 1/4", 1 1/2"x 1/4" etc.|
|Bearing bar shape||Plain Style Steel Grating, Serrated Style Steel Grating and I Bar Type Steel Grating.|
|Drainage steel grating cover drainage ditch standard||China: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88), UK: BS4592-1987, Australia: AS1657-1985, Japan: JJS.|
|Cross bar shape||round,twisted,bar shape|
|Cross bar pitch||38,50,76,100,101.6mm|
|Galvanizing standard||US: ASTM (A123), CN: GB/T13912, UK: BS729|
|Market distribution||America45%,Europe26%,Middle east38%,Other place27%|