The difference between hot-dip galvanized square tube and cold-dip galvanized square tube
Mainly used in curtain walls, construction, machinery manufacturing, steel construction projects, shipbuilding, solar power generation brackets, steel structure engineering, power engineering, power plants, agricultural and chemical machinery, glass curtain walls, automobile chassis, airports, etc.
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Classification and use of galvanized steel sheet
Hot-dip galvanized steel sheet. Dip the thin steel plate into the molten zinc tank to make the thin steel plate with a layer of zinc adhered to its surface. At present, the continuous galvanizing process is mainly used for production, that is, the coiled steel plate is continuously immersed in a galvanizing tank with molten zinc to make a galvanized steel plate;
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Manufacturing process of galvanized steel sheet
The hot-dip galvanizing process is divided into flux method and protective gas reduction method according to the pretreatment method. The latter is divided into old law and new law - Sendzimir law and improved Sendzimir law.
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2023
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What are the surface defect treatment measures for galvanized corrugated steel sheets?
Operators should not increase the speed of the production line too much, and pay attention to the shape of the incoming material. If the shape of the plate is poor, the distance between the air knives should be adjusted in time. A good flatness is obtained in the middle of the air knife nozzle, which prevents the strip scraper air knife from clogging. If there are air knife streaks, you can quickly open the air knife when the weld passes, and use special tools to clean it.
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What are the connection methods of galvanized steel pipe?
Check the width and type of the support roller and pressure roller of the grooving equipment, and check whether there is any bite phenomenon caused by the size mismatch between the two rollers.
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2023
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Galvanized steel pipe application
Hot-dip galvanized steel pipes are widely used in construction, machinery, coal mines, chemicals, electric power, railway vehicles, automobile industry, highways, bridges, containers, sports facilities, agricultural machinery, petroleum machinery, prospecting machinery and other manufacturing industries.
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