The galvanized pipe for greenhouse is also known as galvanized steel pipe shed, which is divided into hot-dip galvanizing and electro galvanizing. The hot-dip galvanizing zinc coating has the advantages of uniform coating, strong adhesion and long service life.
The cost of galvanizing is low, the surface is not very smooth, and its corrosion resistance is much different from that of hot dip galvanized pipe.
In order to improve the corrosion resistance of galvanized pipes for greenhouse, the general steel pipes are galvanized. Galvanized steel pipe is divided into hot-dip galvanizing and electro galvanizing. The hot-dip galvanizing coating is thick, the cost of electro galvanizing is low, and the surface is not very smooth. Oxygen blowing welded pipe: it is used as steel-making oxygen blowing pipe, generally small-diameter welded steel pipe, with specifications of 3/8-2 inch and 8 kinds.
In order to prevent corrosion, some steel strips made of 08, 10, 15, 20 or 195-Q235 should be aluminized. At present, hot-dip galvanized pipes are mainly sold on the market. The galvanized layer of this steel pipe is not easy to fall off, has strong rust resistance, strong compression resistance, is not easy to bend, and has a long service life, which is recognized by most users.
When choosing this kind of galvanized pipe for greenhouse, the user should choose the steel pipe with different diameter according to the width of the greenhouse. In general, if the width of the greenhouse is more than 10 meters, the galvanized pipe for greenhouse with diameter of 5 cm should be selected to enhance the compressive capacity of the greenhouse. If the width of the greenhouse is less than 10 meters, the galvanized pipe for greenhouse with diameter of 4.5 cm can be selected. Before use, galvanized pipe for greenhouse should be bent according to the camber of greenhouse surface in advance before use.
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