Product Details

drainage steel grating cover drainage ditch decorative stair tread galvanized catwalk steel grating

Product Description

steel grating weight

1. Breif introduction galvanized catwalk steel grating

Bar grating, Steel grating,steel grating plate, Expanded metal grating is specially designed with a good percentage of open gaps,and suitable for use in areas requiring good ventilation and emission of light. Its installation is easy and simple, and hence time saving.

As the grating is easily cut according to required specifications, that makes the field work simple and quick.

2. Manufacturing process galvanized catwalk steel grating

Steel Grating is made by the world first-class Italian ORSOGRIL equipment, which can arrange the bearing bar and cross bar in longitude and latitude order to certain distance.Cross bar is pressed into the bearing bar by high tension resistance weldingring which is controlled by computer. So we can produce high quality gratings with firm welding, smooth surface and high strengt.

3. Specifications description of galvanized catwalk steel grating

steel grating weight

4. Popular specifications for your reference

No.	Item	Description
1	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.
2	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.
3	Twisted Cross Bar Pitch	38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2' & 4' etc
4	Material Grade	ASTM A36, A1011, A569, Q235, S275JR, SS304, Mild steel & Low carbon steel, etc
5	Surface Treatment	Black, self colour, hot dip galvanized, painted, spray coating
6	Grating Style	Plain / Smooth, Serrated /teeth, I bar, serrated I bar
7	Standard	China: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88), UK: BS4592-1987, Australia: AS1657-1985, Japan:JIS
8	Application	-Rotation ways, channels, and platforms for pump rooms and engine rooms in various ships; -Flooring in various bridges such as railway bridge sidewalks, over-bridges across the street; -Platforms for oil extraction sites, car washing sites and air towers; -Fencings for car-parks, buildings and roads; drainage trench covers and drainage pit covers for high strength .