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Steel grating, also known as bar grating, features a square grid pattern composed of flat bearing bars and cross round bars. This versatile product is primarily used as gutter covers, steel structure platform walkways, and stair treads for steel ladders.
Manufactured typically from carbon steel with hot-dip galvanized surface treatment to prevent oxidation, steel grating is also available in stainless steel and aluminum variants to suit various applications and environmental conditions.
| Type | Width mm | Thick mm | KG/m | Clear Span mm | 200 | 400 | 600 | 800 | 1000 | 1200 | 1400 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| G505/30/50 | 50 | 5 | 80.9 | U | 2361 | 590 | 262 | 147 | 94 | 65 | 48 |
| D | 0.14 | 0.55 | 1.24 | 2.2 | 3.45 | 4.97 | 6.82 | ||||
| G505/30/100 | 77.9 | C | 236 | 118 | 78 | 59 | 47 | 39 | 33 | ||
| D | 0.11 | 0.44 | 0.99 | 1.77 | 2.77 | 3.99 | 5.39 | ||||
| G455/30/50 | 45 | 5 | 73.4 | U | 1912 | 478 | 212 | 119 | 76 | 53 | 39 |
| D | 0.15 | 0.61 | 1.38 | 2.45 | 3.83 | 5.56 | 7.62 | ||||
| G455/30/100 | 70.4 | C | 191 | 95 | 63 | 47 | 38 | 31 | 27 | ||
| D | 0.12 | 0.49 | 1.09 | 1.94 | 3.07 | 4.35 | 6.06 | ||||
| G355/30/50 | 35 | 5 | 58.4 | U | 1156 | 289 | 128 | 72 | 46 | 32 | 23 |
| D | 0.2 | 0.79 | 1.77 | 3.16 | 4.94 | 7.17 | 9.61 | ||||
| G355/30/100 | 55.4 | C | 115 | 57 | 38 | 28 | 23 | 19 | 16 | ||
| D | 0.16 | 0.62 | 1.4 | 2.46 | 3.97 | 5.7 | 7.69 | ||||
| G255/30/50 | 25 | 5 | 43.4 | U | 590 | 147 | 65 | 36 | 23 | 16 | 12 |
| D | 0.28 | 1.1 | 2.47 | 4.35 | 6.82 | 9.92 | 13.9 | ||||
| G255/30/100 | 40.4 | C | 59 | 29 | 19 | 14 | 11 | 9 | 8 | ||
| D | 0.22 | 0.87 | 1.98 | 3.39 | 5.25 | 7.5 | 10.71 |
Steel grating trench covers are extensively used in sidewalks, driveways, courtyards, and building grounds as cover plates for gutters, pipeline trenches, underground passages, air shafts, light wells, inspection wells, and various shafts.
The steel grating trench cover system typically consists of a fixed frame and movable steel grating panels serving as the cover plate. These systems can be equipped with fasteners or anti-theft devices for enhanced security and stability.
Yes, steel grating conforms to industry standards such as ASTM A36/A1011 for carbon steel and ASTM A123 for galvanizing processes.
Yes, steel grating is engineered for strength and durability, making it suitable for heavy industrial applications and impact loading conditions.
Serrated grating features a textured surface with teeth-like projections that provide superior traction and anti-slip performance, ideal for wet or oily environments.
Yes, with proper design specifications and appropriate bar spacing, steel grating provides safe and reliable surfaces for walkways, stairs, and pedestrian areas.
Yes, steel grating maintains structural integrity at high temperatures, making it suitable for industrial plants, refineries, and other high-heat environments.
Many suppliers offer comprehensive installation guidance, and some provide full installation services depending on project requirements and scope.
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