Ditch Covering Gratings
This ditch covering gratings is good lookings, easy to install, and excellent for drainage.
It is often used for roads, streets, factories, rapid transit systems, subways, sport, grounds, parks, industrial zones, parking lost, filling stations, etc.
2T Specification
| Flat Iron (h x t) | Span (mm) | Angle Iron | Width (mm) | Width (mm) | |||
|---|---|---|---|---|---|---|---|
| D | d | d | D | Total | |||
| 19x4.5t | 200 | L25x25x3t | 250 | 234 | 7.3 | 2.9 | 10.2 |
| 25x3.0t | 200 | L30x30x3t | 260 | 244 | 6.8 | 3.5 | 10.3 |
| 25x4.5t | 300 | L30x30x3t | 360 | 344 | 13.2 | 3.5 | 16.7 |
| 32x3.0t | 300 | L38x38x4t | 370 | 358 | 11.8 | 5.3 | 17.1 |
| 32x4.5t | 500 | L38x38x4t | 576 | 558 | 25.7 | 5.3 | 31.0 |
| 38x3.0t | 500 | L40x40x3t | 580 | 564 | 21.2 | 4.3 | 25.5 |
| 38x4.5t | 750 | L40x40x3t | 830 | 814 | 43.2 | 4.3 | 47.5 |
| 44x4.5t | 750 | L50x50x6t | 850 | 828 | 50.4 | 9.8 | 60.2 |
| 44x4.5t | 1000 | L50x50x6t | 1100 | 1078 | 64.7 | 9.8 | 74.5 |
| 50x4.5t | 1000 | L56x61x6t | 1122 | 1100 | 74.8 | 11.1 | 85.9 |
3.5T Specification
| Flat Iron (h x t) | Span (mm) | Angle Iron | Width (mm) | Width (mm) | |||
|---|---|---|---|---|---|---|---|
| D | d | d | D | Total | |||
| 25x4.5t | 200 | L30x30x3t | 260 | 244 | 9.8 | 3.5 | 13.3 |
| 32x3.0t | 200 | L38x38x4t | 276 | 258 | 9.0 | 5.3 | 14.3 |
| 32x4.5t | 300 | L38x38x4t | 376 | 358 | 17.1 | 5.3 | 22.4 |
| 38x3.0t | 300 | L40x40x3t | 380 | 364 | 14.2 | 4.3 | 18.5 |
| 38x4.5t | 400 | L40x40x3t | 480 | 464 | 25.5 | 4.3 | 29.8 |
| 44x4.5t | 500 | L50x50x6t | 600 | 578 | 35.9 | 9.8 | 45.7 |
| 50x4.5t | 750 | L56x61x6t | 872 | 850 | 58.4 | 11.1 | 69.5 |
| 50x6.0t | 1000 | L56x61x6t | 1122 | 1100 | 98.5 | 11.1 | 109.6 |
8T Specification
| Flat Iron (h x t) | Span (mm) | Angle Iron | Width (mm) | Width (mm) | |||
|---|---|---|---|---|---|---|---|
| D | d | d | D | Total | |||
| 32x4.5t | 200 | L38x38x4t | 276 | 258 | 12.9 | 5.3 | 18.2 |
| 38x3.0t | 200 | L40x40x3t | 280 | 264 | 10.7 | 4.3 | 15.0 |
| 38x4.5t | 300 | L40x40x3t | 380 | 364 | 20.5 | 4.3 | 24.8 |
| 44x4.5t | 400 | L50x50x6t | 500 | 478 | 30.1 | 9.8 | 39.9 |
| 50x4.5t | 500 | L56x61x6t | 622 | 600 | 42.2 | 11.1 | 53.3 |
| 65x6.0t | 750 | L71x61x6t | 872 | 850 | 100.1 | 12.7 | 112.8 |
| 65x6.0t | 1000 | L71x61x6t | 1122 | 1100 | 128.4 | 12.7 | 141.1 |
15T Specification
| Flat Iron (h x t) | Span (mm) | Angle Iron | Width (mm) | Width (mm) | |||
|---|---|---|---|---|---|---|---|
| D | d | d | D | Total | |||
| 38x4.5t | 200 | L40x40x3t | 280 | 264 | 15.4 | 4.3 | 19.7 |
| 44x4.5t | 300 | L50x50x6t | 400 | 378 | 24.3 | 9.8 | 34.1 |
| 50x6.0t | 500 | L56x61x6t | 622 | 600 | 55.0 | 11.1 | 66.1 |
| 65x6.0t | 750 | L71x61x6t | 872 | 850 | 100.1 | 12.7 | 112.8 |
| 65x6.0t | 1000 | L71x61x6t | 1122 | 1100 | 128.4 | 12.7 | 141.1 |
20T Specification
| Flat Iron (h x t) | Span (mm) | Angle Iron | Width (mm) | Width (mm) | |||
|---|---|---|---|---|---|---|---|
| D | d | d | D | Total | |||
| 38x4.5t | 200 | L40x40x3t | 280 | 264 | 15.4 | 4.3 | 19.7 |
| 50x4.5t | 300 | L56x61x6t | 422 | 400 | 29.2 | 11.1 | 40.3 |
| 50x6.0t | 400 | L56x61x6t | 522 | 500 | 46.5 | 11.1 | 57.6 |
| 65x6.0t | 500 | L71x61x6t | 622 | 600 | 72.3 | 12.7 | 85.0 |
| 75x6.0t | 1000 | L81x61x6t | 1122 | 1100 | 128.4 | 13.7 | 142.1 |
35T Specification
| Flat Iron (h x t) | Span (mm) | Angle Iron | Width (mm) | Width (mm) | |||
|---|---|---|---|---|---|---|---|
| D | d | d | D | Total | |||
| 44x4.5t | 200 | L50x50x6t | 300 | 278 | 18.5 | 9.8 | 28.3 |
| 50x6.0t | 300 | L56x61x6t | 422 | 400 | 38.0 | 11.1 | 49.1 |
| 65x6.0t | 400 | L71x61x6t | 522 | 500 | 61.1 | 12.7 | 73.8 |
| 65x6.0t | 500 | L71x61x6t | 622 | 600 | 72.3 | 12.7 | 85.0 |
| 75x6.0t | 750 | L81x61x6t | 872 | 850 | 114.9 | 13.7 | 128.6 |
| 90x6.0t | 1000 | L96x61x6t | 1122 | 1100 | 175.5 | 15.4 | 190.9 |
Manufacturing instructions to Hot Dip Galvanized Grating :
(1)The hot-dip galvanized grating must be welded by a resistance welder,and can not melt the
parent metal.
(2)Material : SS-400 steel.
(3)3.0t Galvanizing Amount:over 500g/m2 ; 4.5t Galvanizing Amount:over 610g/m2.
