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Treatment Of Galvanized Steel Sheet Oct 18, 2017

Surface state: galvanized sheet due to the coating process in different ways, the surface state is also different, such as ordinary zinc flowers, fine zinc flowers, flat zinc flower, zinc-free and phosphating treatment of the surface. German standards also provide a surface level. Galvanized sheet should have a good appearance, no use of harmful defects on the product, such as no plating, holes, rupture and scum, more than plating, abrasion, chromic acid dirt, white rust and so on. Foreign standards on the specific appearance of the provisions are not very clear. Some specific defects in the order should be specified in the contract.Galvanized Steel Sheet

 Performance indicators: In general, only the structure with, with the deep drawing with the use of galvanized sheet tensile performance requirements. Which the structure with galvanized sheet requires a yield point, tensile strength and elongation, etc .; stretch with only the required elongation. The specific values are given in the last section of this section for product standards. Performance indicators: In general, only structural, tensile and deepened galvanized sheets have tensile properties. Which the structure with galvanized sheet requires a yield point, tensile strength and elongation, etc .; stretch with only the required elongation. See the relevant product specifications in the last section of this section for specific values.Galvanized Steel Sheet

Generally require galvanized sheet bending 180, the outer surface of the zinc layer shall not be separated, the substrate must not have cracks and fracture; sampling parts and the number see the last section of the product standards, bending angle of 180, the inner interval and test sample thickness , See the relevant product standards listed in the last section. Divided into length into the length of the galvanized sheet and roll galvanized sheet packaging two. General metal packaging, lined with moisture-proof paper, outside the iron waist tied to the bracket. Bundle to be reliable, to prevent the galvanized sheet friction.Galvanized Steel Sheet