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表面涂锌的钢板称为镀锌板，目的是为了延长钢板的使用寿命，防止其受腐蚀，在钢板表面涂以一层金属锌用以保护的材料。

全世界锌产量的一半左右都用于此种工艺。热镀锌产品广泛用于建筑、家电、机电业等制造行业。

镀锌：轻钢镀层的镀锌量又可根据其不同的使用环境及功能决定其所需的镀锌量；为加强耐蚀性，

可按照不同要求控制镀锌层厚度可在120g/m2-275g/m2。镀锌钢板Z275——即镀锌的钢板，Z275：锌层重量代号，表示钢板两面含锌的重量275g/m2。

Zinc surface coated steel plate is called galvanized plate, the purpose is to extend the service life of the steel plate, to prevent its corrosion,

on the surface of the steel plate coated with a layer of metal zinc to protect the material. About half of the world's zinc production is used in this process.

Hot-dip galvanized products are widely used in construction, home appliances, mechanical and electrical industry and other manufacturing industries.

Galvanizing: the galvanizing amount of light steel coating can be determined by the required galvanizing amount according to its different service environment

and function; to enhance corrosion resistance, the galvanized layer thickness can be controlled at 120g / m2-275g / m2. Galvanized steel plate

Z275 ——is the galvanized steel plate, Z275: zinc layer weight code, indicating that the weight of zinc on both sides of the steel plate is 275g / m2.