Overview of anti-theft ditch cover plate

Considering from the perspective of coating, the anti-theft ditch cover plate needs phosphating before coating in order to improve the binding force because the binding force between the substrate and the coating is not very high. This is also the reason why the galvanized steel grating needs phosphating.

The phosphating process steps of anti-theft ditch cover plate

alkaline degreasing agent → normal temperature water washing → surface conditioning → low temperature phosphating → normal temperature water washing → drying → coating.

After these steps, the phosphating treatment of galvanized sheet is basically completed.

Tell me about the influence of the composition of phosphating solution on the performance of phosphating film.
Anti theft ditch cover plate PO3-4: the appropriate concentration is 5-50g / L, lower than 5g / L, and the density of phosphating film is uneven, higher than 50g / L, which is not beneficial to the formation of phosphating film and causes waste of raw materials.
The anti-theft ditch cover plate will be damaged after being used for a long time. If you want to prevent the anti-theft ditch cover plate from being damaged as much as possible, you should maintain the anti-theft ditch cover plate at ordinary times. The maintenance of outdoor anti-theft ditch cover plate generally refers to anti-corrosion, anti-corrosion, fire prevention, etc. The service life of antirust paint is always limited, and galvanizing will be better, especially when the steel members are closed and cannot be maintained. Galvanizing is divided into electroplating and hot plating. The former is cheap, but the galvanized layer is thin and the anti rust life is short, but it is longer than that of anti rust paint; The latter is a good choice. The hot-dip galvanized layer is thick and the antirust effect is very good. However, we should pay attention to the deformation of components under the high temperature of 600 ℃, and the price is too expensive. The high price is aluminum zinc plating, and the antirust effect is also good. Others include aluminum plating and galvanized aluminum, but they are not the mainstream. So how to specify the maintenance period? Protection life of galvanizing = weight of galvanizing layer per square meter / grams of corrosion per year. Although the galvanizing is durable, we should pay attention not to damage it during construction. If the cover plate component of the anti-theft ditch is too large to read the heart, we can use hot spraying aluminum or hot spraying zinc. We should find these problems in time and solve them properly.

Hebei Kaiheng wire mesh products Co., Ltd

Kaiheng is a professional manufacturer of steel grating, with import and export qualification. Kaiheng steel grating factory can provide global customers with steel grating spot and customized steel grating services.

Company strength and employee treatment

Kaiheng has three pressure welded steel grating production equipment, with a daily output of 200 # 0 square meters and 30 workers. We provide employees with good social security benefits, respect their human rights and improve the work and vacation system. Kaiheng has made continuous progress and development in a harmonious working atmosphere, expanding the market share of steel grating at home and abroad.

Kaiheng's attitude towards international market competition

When entering the international market, Kaiheng will respect the rules of the international market, abide by the international economic order, compete fairly, win with quality and win the recognition of international customers with service. We will pay attention to the feedback of customers and actively improve the service level.

Product series manufactured by the company

Kaiheng's three production lines have an absolute market position in terms of steel grating production capacity and supply, which can meet the needs of large customers. According to the classification of production process: we have pressure welded steel grating, hot-dip galvanized steel grating, painted steel grating and plastic impregnated steel grating; Grating and steel plate are classified according to the material of grating and steel plate. According to the classification of drawings, we have fence steel grating, power plant steel grating, chemical plant steel grating, sewage plant steel grating, parking lot steel grating, pigeon cage ground grid steel grating, ceiling steel grating, car washing room grating, coal mine steel grating and stage laying steel grating. According to the shape of steel grating, we have anti-skid steel grating, toothed steel grating, plug-in steel grating, composite steel grating, heavy steel grating, I-shaped steel grating and special-shaped steel grating We also have step plate, steel grating and ditch cover plate series (drainage ditch cover plate, water collecting well cover plate, anti-theft ditch cover plate, trench cover plate and steel grating cover plate) for the steel ladder of the plant.