Hot Dipped Galvanized Steel Sheet in Coil (GI) is produced by passing the Full Hard sheet which has undergone the acid washing process and rolling process through the zinc pot, thereby applying zinc film to the surface. It has excellent corrosion resistance, paintability, and workability due to Zinc's characteristics. Usually, hot-dipped galvanized steel sheet and galvanized steel coil process and specifications are basically the same.
Hot-dip galvanizing is the process of applying a protective zinc coating to a steel sheet or iron sheet, to prevent rusting.
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Technical Standard
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EN10147, EN10142, DIN 17162, JIS G3302, ASTM A653
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Steel Grade
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Dx51D, Dx52D, Dx53D, DX54D, S220GD, S250GD, S280GD, S350GD, S350GD, S550GD; SGCC, SGHC, SGCH, SGH340, SGH400, SGH440, SGH490,SGH540, SGCD1, SGCD2, SGCD3, SGC340, SGC340 , SGC490, SGC570; SQ CR22 (230), SQ CR22 (255), SQ CR40 (275), SQ CR50 (340), SQ CR80(550), CQ, FS, DDS, EDDS, SQ CR33 (230), SQ CR37 (255), SQCR40 (275), SQ CR50 (340), SQ CR80 (550); or Customer's Requirement
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Type
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Coil/Sheet/Plate/Strip
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Thickness
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0.12-6.00mm,or customer's requirement
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Width
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600mm-1500mm, according to customer's requirement
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Type Of Coating
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Hot Dipped Galvanized Steel(HDGI)
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Zinc Coating
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30-275g/m2
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Surface Treatment
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Passivation(C), Oiling(O), Lacquer sealing(L), Phosphating(P), Untreated(U)
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Surface Structure
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Normal spangle coating(NS), minimized spangle coating(MS), spangle-free(FS)
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Quality
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Approved by SGS,ISO
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ID
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508mm/610mm
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Coil Weight
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3-20 metric ton per coil
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Package
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Water proof paper is inner packing,galvanized steel or coated steel sheet is outer packing , side guard plate,then wrapped by seven steel belt.or according to customer's requirement
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Export Market
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Europe, Africa, Central Asia, Southeast Asia, Middle East, South America, North America, etc
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Hot-dip galvanizing is the reaction of molten metal with an iron substrate to produce an alloy layer, thereby combining the
substrate and the plating layer. Hot-dip galvanizing is to pickle iron and steel parts first. In order to remove iron oxide on the surface of iron and steel parts, after pickling, it is cleaned in an ammonium chloride or zinc chloride aqueous solution or a mixed solution of ammonium chloride and zinc chloride.And then sent to the hot-dip plating bath. Hot-dip galvanizing has the advantages of uniform coating, strong adhesion and long service life.
01.Anticorrosive:
13 years in heavy industrial areas,50 years in the ocean,104 years in the suburbs and 30 years in cities.
Galvanized sheet is widely used in construction, household appliances, vehicles and ships container manufacturing,m hechanical and electrical industry, vehicles, household appliances daily necessities and other industries, such as household electrical enclosures, newsstands and bookcases, carriage pl ates, tractors, trams, containers, highway walls, cabins and other aspects