galvanized steel coils

Thickness 0.12mm-2.0mm
Width 20-1250mm, 600mm-1250mm
Length As customers request
Coil weight of 3-8 Tons
Technique Cold Rolled
Surface treatment Galvanized Coated
Spangle Reuglar Spangle,Small Spangle,Large Spangle,Zero Spangle
Zinc Coating 30-275g/m2
Hardness Soft hard(HRB60),medium hard(HRB60-85),full hard(HRB85-95)
Coil ID 508 mm/610 mm
Package Export standard packing or according to customer's requirements.
Regular Order 25 tons or one container, for less quantity, to contact us for details
Certificate ISO9001:2008,SGS
Standard DX51D+Z,DX52D+Z,DX53D+Z,DX54D+Z,S220GD+Z,DX51D+Z/SGCC/A653/Automotive grade,etc
Terms of Payment T/T30%
Delivery Detail Within 3-15 days after receipt of deposit


What is Galvanized Steel Coil

Galvanized Steel Coil is used cold rolled steel coil as substrates by a continuous hot-dip process. This method tightly adheres the coating to the Steel with an iron-zinc alloy bonding layer formed by a diffusion process while the heated steel strip is in contact with the molten zinc. One of the drawbacks of Galvanized is that if the Zinc coating is scratched off the Steel, the Steel is left unprotected and is subject to failure. It has excellent corrosion resistance, paintability, and workability due to zinc’s characteristics.

Galvanized Steel Coil Products Process


The production and processing of galvanized steel coils can be divided into three steps: first, the entire coil is pickled to remove rust and dirt, so that the surface of the galvanized steel strip can achieve a bright and clean effect; after pickling, pass ammonium chloride or zinc chloride It is cleaned in an aqueous solution or a mixed aqueous solution of ammonium chloride and zinc chloride, and then sent to the hot-dip plating tank for the galvanizing process; after the galvanizing process is completed, it can be put into storage and packaged.




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