Description of Steel Grating
Steel grid is also known as steel grating plate, steel grating is used in accordance with a certain distance and cross bar (twisted square steel, square steel, round steel, flat steel, etc.) for cross arrangement, and welded into a kind of steel products with square lattice in the middle, steel grating is mainly used to make gutter cover plate, steel structure platform plate, steel ladder step plate and so on. The cross bar is generally made of twisted square steel. Steel grid plate is generally made of carbon steel, the appearance of hot dip galvanized, can play a role in preventing oxidation. It can also be made of stainless steel. Steel grating with ventilation, lighting, heat dissipation, anti-slip, explosion-proof and other properties.
Materials: mild steel or stainless steel.
Surface treatment: untreated, painting or hot dip galvanizing.
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.
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
Material saving: under the same load conditions, the most material saving way, correspondingly, can reduce the material supporting the structure.
Reduce investment: save materials, save labor, save time, free cleaning and maintenance.
Simple construction: the pre-installed support is fixed with bolts or welding, and one person can complete it.
Save time: the product does not need to be reprocessed on site, and the installation is very fast.
Durable: hot dip zinc anticorrosion treatment before delivery, strong impact and pressure resistance.
Modern style: beautiful appearance, standard design, ventilation and light, giving people the overall smooth modern feeling.
Light structure: less materials, light structure, and easy to lift.
Anti-fouling: no rainwater, snow and dust.
Reduce wind resistance: because of good ventilation, small wind resistance in strong winds, reduce wind damage.
Simple design: no small support beam, simple structure, simple design; No need to design steel grid drawing, only indicate the model can be, the factory can be designed for customers.
Ventilation, lighting, heat dissipation, explosion-proof, anti-slip performance is good: acid and alkali corrosion ability: in the range of PH 6 to PH 12.5, the zinc layer surface forms a stable protective film, good corrosion resistance.
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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