Description of Steel Grating
The compound steel grating is a perfect combination of steel bar grating and checkered plate, featuring beautiful appearance and high solidity. When it comes to the manufacture of compound steel bar grating, 3G323/40/100, 3G253/30/100 and 3G323/40/100 steel bar grating are most often used as the base plate. Then, weld 3mm thick checkered plate upon the steel grating panel. The checker plate thickness also can be 4mm, 5mm. After proper polishing and hot dipped galvanized surface treatment, a good condition compound steel bar grating is produced. In consideration of different working conditions, the dimensions and materials of steel grating and checkered plate can be customized. We can produce carbon steel, stainless steel compound steel grating.
Bearing bar specification:20*3 to 100*6
Bearing bar pitch:12.5,15,25,30,40,60mm etc. also be according to clients requirement and 30,40,60mm are recommended
Cross bar picth:38,50,76,100mm,also be according to clients requiremen and 50,100mm are recommended.
The Maximun length of black panel is 7350mm.
Materials: mild steel or stainless steel.
Surface treatment: untreated, painting or hot dip galvanizing.
Steel grating with America standard can also be fabricated.
Steel grating standards:
A) China: YB/T4001.1-2007
B) USA: ANSI/NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1985
E) Japan: JJS.
Advantages of Steel Grating
Best corrosion and rust resistance for harshest conditions.
* Can be used in offshore and oily environments as flooring or platform gratings
* Serrated or non-serrated grating for different slip resistance applications.
* Ranges of bearing loads for light to heavy duty applications as platform or walkway gratings.
* Security increased ,it is a trouble free access for some people whose action is inconvenience as it do not need the stone to separate dry and wet areas.
Specifications of Steel Grating
| Steel Gratings Specifications |
| Item |
Description |
| Materials |
Q235 / Stainless Steel / Aluminium |
| Material standard |
Low carbon steel (ASTM A36, A1011, A569, S275JR, SS304, SS400,UK: 43A) |
| Type |
Welded steel grating, pressure-locked, socket-welding |
| Bearing bar |
20x5, 25x3, 25x4, 25x5, 30x3, 30x4, 30x5, 32x3, 32x5, 40x5, 50...75x8mm, etc. |
|
Bearing Bar's Type
|
F- Plain style |
| S-Serrated style (tooth-like) |
| I- I-section style |
| Beraing Bar Pitch |
25, 30, 30.16, 32.5, 34.3, 40, 50, 60, 62, 65mm, etc. |
| Cross Bar |
5x5, 6x6, 8x8mm (twisted bar or round bar) |
| Cross bar pitch |
40, 50, 60, 65, 76, 100, 101.6, 120, 130mm or as customers' requirement. |
| Surface Treatment |
Black, Hot dip galvanized, Cold dip galvanized, Painted, Powder coated, or as customers' requirement. |
|
Galvanizing standard
|
CN: GB/T13912 |
| US: ASTM (A123) |
| UK: BS729 |
|
Standards
|
China: YB/T 4001.1-2007 |
| USA: ANSI/NAAMM(MBG531-88) |
| UK: BS4592-1987 |
| Australia: AS 1657-1988 |
| Japan: JJS |
Application of Steel Grating
- Grating floor mat
- Working platform
- Grating floor panels
- Grating manhole cover
- Grating ditch cover
- Stairs, stairs Grating
- Traffic works, highways, factories, farms, urban areas
- Oil and gas industries, cement, ships...
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