Bridge Deck Grating

Bridge decking grating, building steel material， drain grating.

We specialized in manufacturing and exports all kinds of steel gratings with the best quality and competitive price and faster delivery time, such as steel mill black and hot dip Galvanizing and stainless grating flooring walkway, platform ,steel structures, stair tread, well cover, trench cover, sump cover,compound gratings.

Bridge Deck Grating

Bearing Bar: 25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10---100x10mm etc.
I bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etc.
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'', 1''x1/8'', 1 1/4''x1/8'', 1 1/2''x1/8'' etc.

Bearing Bar Pitch: 12.5, 15, 20, 23.85, 25, 30, 30.16, 30.3, 32.5, 34.3, 35, 38.1, 40, 41.25, 60, 80mm etc.
US standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc.

Twisted Cross Bar Pitch: 38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc.

Material Grade: ASTM A36, A1011, A569, Q235, S275JR, SS304, SS400,Mild steel & Low carbon steel, etc.

Surface Treatment: Black, self colour, hot dip galvanized, painted, spray coating.

Grating Style: Plain / Smooth, Serrated /teeth, I bar, serrated I bar.

Standard: China: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88),UK: BS4592-1987, Australia: AS1657-1985,Germany: DIN24537-1-2006, Japan: JIS.

Bridge Deck Grating provides clear visibility in such applications as overhead walkways, maintenance platforms and other areas where visible security might be necessary.
Commonly made of expanded metal, this kind of grating goes through cold drawn operation to form diamond shaped openings of uniform size and thickness.

Available from 1/4" to 1-1/2" in flattened, regular, expanded metal or welded bar grating styles.

Mark:G 320/25/76 F G

G:Sign of steel grating

320:Size of bearing bar(width*thickness)

25: bearing bar pitch