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, greenhouse construction and other manufacturing industries.
Galvanized steel pipe is a welded steel pipe with a hot-dip galvanized or electro-galvanized layer on the surface. Galvanizing can increase the corrosion resistance of steel pipes and prolong the service life. Galvanized pipes are widely used. In addition to being used as pipeline pipes for general low-pressure fluids such as water, gas, and oil, they are also used as oil well pipes and oil pipes in the petroleum industry, especially in offshore oil fields, and oil heaters and condensers in chemical coking equipment. Pipes for coolers, coal distillation washing oil exchangers, and pipes for trestle piles, supporting frames for mine tunnels, etc.
How is the galvanized tape round pipe made?
The galvanized strip round pipe has adjusted the production process of hot-dip galvanized pipe. First, pickling the strip used for making the pipe. In order to remove the iron oxide on the surface of the strip, after pickling, ammonium chloride or chloride The zinc aqueous solution or the mixed aqueous solution of ammonium chloride and zinc chloride is cleaned in the tank, and then sent to the hot dip plating tank. It is then air-dried and made into tubes.
The difference between hot-dip galvanized steel pipe and galvanized strip pipe:
Hot-dip galvanized pipe: 1) Color hot-dip galvanized pipe is a bit whitish, 2) Weight: 6 meters long and 6.5 kg (strong corrosion resistance, long service life, slightly higher price);
Galvanized pipe: 1) Color galvanized pipe is a little blue, 2) Weight: 6 meters long and 5.5 kg (corrosion resistance is slightly worse, the service life is shorter than that of hot-dip galvanized steel pipe, and the price is low and economical) .
The difference between the two: 1) The hot-dip galvanized pipe is white but not shiny and non-reflective, with a lot of snowflakes on the surface, and two ports have zinc nodules (condensed zinc) 2) The galvanized pipe is white and shiny and reflective, rarely Snowflake-shaped, two-port clean and zinc-free