Comparison between hot dip galvanized sheet and electro galvanized sheet
In the process of hot galvanizing, when the steel plate passes through the zinc pot, the zinc liquid is attached to the surface of the steel plate, and the air knife blows off the excess zinc liquid, so it is easy to produce thick coated steel plate. In recent years, in order to reduce production costs and meet the requirements of environmental protection, domestic automobile and household appliance enterprises have gradually used hot-dip galvanized steel instead of galvanized steel.
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Process flow and main use of color coated steel coil
Color steel plate is widely used. It has excellent weather resistance, corrosion resistance, high processing and other characteristics. Color steel plate is widely used in construction, household appliances, transportation, packaging, mechanical processing, interior decoration, medical treatment, automobile industry, etc.
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Development History of Galvanized Steel Coil
In the 1980s, Europe, America, Australia and other places rapidly promoted hot galvanizing nickel alloy, and its process was named Technigalva At present, Zn Ni Si Bi has been developed on this basis, which can obviously inhibit the Sanderling reaction of silicon containing steel during hot plating.
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What is the purpose of galvanized steel coil
Common ones are classified into low carbon steel and high carbon steel according to the carbon content. The most commonly used one is 45 steel. Both have the letter C, and C45 belongs to medium carbon... The other letters are based on the difference of element content. Generally, the letter represents the element, and the number represents the percentage content. Low carbon rimmed steel can generally be replaced by No. 10 steel.
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