The composite steel grating is welded by using checkered plate as the surface and steel grid plate as the keel. It is the perfect combination of non-slip, no voids and load-bearing capacity of steel grating in the checkered plate. Compared with the simple use of checkered plates and steel support, the cost of the skeleton is greatly reduced. Pattern steel is 3mm thick by default, and 4mm, 6mm and other specifications can also be used for special requirements.
The surface treatment method of the composite steel grid is usually hot-dip galvanizing, and sometimes a painted surface treatment method is also used to match the color of the peripheral equipment. If it is used in a dry place with little wear, cold galvanized surface treatment can be considered to reduce the cost.
It should be noted that it is distorted due to thermal expansion and contraction and pre-stressed steel. Especially when the size of the composite bar grating is relatively large, it is difficult to make it horizontal and easy to bend. Therefore, the composite steel grating is selected to minimize the size and reduce the deformation caused by thermal expansion and contraction.
The composite grating is generally made of q235 low carbon steel, and high-quality materials such as stainless steel can be used for special requirements. It has the characteristics of high compressive strength, light structure, strong corrosion resistance, sturdiness and durability. And ventilation, lighting, heat dissipation, anti-skid, explosion-proof, installation and disassembly are very convenient. It is widely used in platform fields such as power plants, chemical plants, oil refineries, steel mills, paper mills, machinery plants, cement plants, municipal engineering, sewage treatment plants, municipal engineering, sanitary engineering, etc.
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