Galvanized steel strip is a steel product that has been specially processed. Its main feature is that its surface is coated with a layer of zinc, which greatly enhances its anti-corrosion performance.
1. Basic information
Definition: Galvanized steel strip is a product made by pickling, galvanizing, packaging and other processes of ordinary steel strip.
Features: It has good anti-corrosion performance and is widely used in many fields.
2. Main uses
General civil use: processed into household appliances such as sinks, reinforced door panels or reinforced kitchen appliances.
Construction industry: used for light steel keels, roofs, walls, ceilings, water retaining boards, rain shelters, rolling doors, warehouse inner and outer panels, insulation pipe shells, etc.
Household appliances: reinforce and protect household appliances such as refrigerators, washing machines, showers and vacuum cleaners.
Automotive industry: used for parts of large cars, trailers, trucks, luggage trucks, refrigerated trucks, etc., such as wipers, garage doors, fenders, fuel tanks, water tanks, etc.
Industrial industry: As a base material for stamping materials, it is used in the manufacture of bicycles, digital products, armored cables, etc.
Other aspects: It is also used in the manufacture of equipment boxes, electrical cabinets, instrument panels, office furniture, etc.
3. Production process
The production of galvanized steel strip mainly includes the following steps:
Pickling: The whole roll of steel strip is pickled to remove rust and dirt and make the surface smooth.
Galvanizing: The pickled steel strip is cleaned with ammonium chloride or zinc chloride aqueous solution, and then sent to the hot dip galvanizing tank for hot dip galvanizing. The galvanized layer can be customized according to customer needs, generally not less than 500g/m2, and any sample shall not be less than 480g/m2.
Post-treatment: The galvanized steel strip may also need to be post-treated such as passivation, pre-phosphating and oiling to improve its corrosion resistance and service life.
4. Performance characteristics
Strong corrosion resistance: The galvanized layer can effectively prevent the steel strip from corrosion and extend its service life.
Strong adhesion: The galvanized layer is tightly combined with the steel strip substrate and is not easy to fall off.
Beautiful and durable: The galvanized steel strip has a smooth surface, uniform color and good decorative effect.