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Galvanized toothed steel grating is fixed by welding and anchor bolt

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Update time : 2023-02-08 13:33:00

Steel grating after the production of galvanized toothed grille plates is delivered to the buyer's application, standard installation and fixing must be carried out. The main points of grid plate installation are fixed by electric welding and anchor bolt. The actual operation of secondary welding and welding fixed galvanized grid plate will certainly cause damage to the hot dip galvanized layer of grid plate. At the present stage, hot dip galvanizing is a wide range of anti-corrosion and anti-rust treatment methods in the field of grid plate. Because the zinc layer can produce a sealing protective layer on the surface of grid plate, it also has excellent practical effect of cathodic protection for pipeline. The cathodic protection of the zinc coating itself can also preserve the gas etched iron flat steel if the zinc coating is accidentally scratched. Hot dip galvanizing can reasonably preserve the winding and cold drawing of the plate and the micro-cracks caused by the zinc ablative area near the welding to prevent corrosion. Because of the existence of zinc layer, the secondary welding of grid plate must be difficult for the welding of galvanized grid plate. Zinc has a melting point of about 420 ℃ and a transpiration temperature of 908 ℃. This is unfortunate welding and welding. When the arc is just burning, it evaporates. Transpiration and air zinc oxide can cause pores, unwelds and cracks, and even endanger the reliability of electrical isolation. Among them, welding crack, porosity and welding tumor are the key problems in welding galvanized grid plate. The zinc layer around the dissolution tank is oxidized to ZnO under the action of electrosolitary heat and evaporates, producing very large dust. The main component of this kind of dust is ZnO, which has great influence on employees' vocal organs. Therefore, excellent natural ventilation measures must be adopted in the welding process. Under the same welding standards, the amount of dust caused by silicon oxide wire is relatively low, while the amount of dust caused by low hydrogen wire is very large. Non-slip step plate is more widely used on the ground. This plate is mainly made of toothed galvanized flat steel, used for production and processing. This ladder pedal is used in wet and cold natural environments, and the mounting plate can avoid deviation during the whole walking process. One side of the plate is made of a number of zigzag galvanized flat steel by electric welding. Therefore, the ladder pedal has the advantage of ordinary thick steel plate. The board is good, too. You can do everything else. In order to have an anti-skid effect on the ground, it is suitable for installation and use on smooth roads, and is also widely used in the service platform of oil production plants.

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