1000m high, 0.75mm thick galvanized coil
China [CN] 1000m high, 0.75mm thick galvanized coil
Galvanized sheet refers to a steel sheet coated with a layer of zinc on the surface. Galvanizing is an economical and effective anti-rust method that is often used. About half of the world's zinc production is used in this process.
Galvanized steel sheet is to prevent corrosion on the surface of the steel sheet and extend its service life. A layer of metallic zinc is coated on the surface of the steel sheet.
(1) Surface condition: The surface condition of the galvanized sheet is different due to the different treatment methods in the coating process, such as ordinary spangles, fine spangles, flat spangles, zinc-free and phosphated surfaces. German standards also provide for surface grades.
(2) The galvanized sheet shall have a good appearance, and shall not have defects harmful to the use of the product, such as no plating, holes, cracks and scum, excessive plating thickness, scratches, chromic acid dirt, white rust, etc. Foreign standards are not very clear about specific appearance defects.
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