The platform steel grating is manufactured by flat steel punching, arranged according to the mold, and each contact point of the cross bar and the flat steel is welded firmly. Serve the finished steel grating plate, and then perform hot-dip galvanizing, cold-dip galvanizing, and spray paint surface treatment according to customer requirements. Steel gratings have a wide range of uses, and there is a great demand for steel gratings in the market. Based on the following advantages of steel grating: material saving: the most material saving method under the same load condition, and accordingly, the material of the supporting structure can be reduced. Reduce investment: save materials, save labor, save construction period, and avoid cleaning and maintenance. Simple construction: Fix it with bolt clamps or welding on the pre-installed support, which can be completed by one person.
Time saving: the product does not need to be processed on site, and the installation is very fast. Durable: Hot-dip galvanized anti-corrosion treatment before leaving the factory, strong impact resistance and heavy pressure ability. Modern style: beautiful appearance, standard design, ventilation and light transmission, giving people a smooth modern feeling as a whole. Lightweight structure: less materials, light structure, and easy hoisting. Reduce wind resistance: due to good ventilation, wind resistance is small in case of strong wind, reducing wind damage. Prevent accumulation of dirt: no accumulation of rain, ice, snow and dust. Good ventilation, lighting, heat dissipation, explosion-proof and anti-skid performance. Simple design: no need for small beams, simple structure, simplified design; no need to design detailed drawings of steel gratings, just indicate the model number, and the factory can design the layout drawing on behalf of the customer. Acid-base corrosion ability: In the range of PH6 to PH12.5, a stable protective film is formed on the surface of the zinc layer with good corrosion resistance.
The technical requirements of the steel grating are mainly as follows: According to the requirements of the purchaser, the steel grating can be delivered without wrapping. The steel grid edging shall be single-sided fillet welding with a welding height not less than the thickness of the load-bearing flat steel, and the length of the weld shall not be less than 4 times the thickness of the load-bearing flat steel. In the case that the steel grating does not accept the load, the corresponding distance between 4 load-bearing flat steels is generally welded at one place, but the distance shall not be greater than 150mm.
The steel grating cannot be welded at intervals when the edging plate is under load. At the same time, the edging board in the same direction as the load-bearing flat steel must be welded to each crossbar. If the steel grating is cut off or opened during the interval welding, the hole exceeds 180mm, it shall be edge-wrapped. The end plates of the stair treads shall be fully welded on one side at least. If the stair treads have front edge edging guards, it is necessary to run through all the steps.
The load-bearing flat steel is most common with rectangular cross-section flat steel and I-shaped cross-section steel. Of course, there are other types of steel with several cross-sections. The load-bearing flat steel of the steel grating and the toothed flat steel can have the anti-skid effect, but there should be no less than 5 teeth per 100mm. The minimum width of the steel grille on the platform walkway should not be less than 300mm.
Post time: Mar-10-2021