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* Material: Low carbon steel, stainless steel
* Surface treatment: Hot dipped galvanized, painting
* 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 crossbars (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.
Steel gates are generally made of carbon steel, and the surface is galvanized to prevent oxidation. It can also be made of stainless steel. Steel gates have the properties of ventilation, lighting, heat dissipation, non-slip, maintenance-free, etc.
* Application: Industrial platform flooring and walkway, traffic and steel structure, etc.
* Features: High strength, light structure; solid grid pressure welding structure makes it have a high load, light structure, easy to lift and other characteristics; beautiful appearance, durable
* Steel bar grating 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%|