Zinc Coated Hot Dipped Galvanized Steel Coil
Zinc Coated Hot Dipped Galvanized Steel Coil
Zinc Coated Hot Dipped Galvanized Steel Coil
Zinc Coated Hot Dipped Galvanized Steel Coil

Zinc Coated Hot Dipped Galvanized Steel Coil

Product Details:

1. Prepainted Steel Coil is coated with organic layer, which provides higher anti-corrosion property and a longer lifespan than that of galvanized steel sheets.


2. The base metals for Prepainted Steel Coil consist of cold rolled, HDG electro-galvanized and hot-dip alu-zinc coated steel. The finish coats of Prepainted Steel Coil can be classified into groups as follows: polyester, silicon modified           polyesters, polyvinylidene fluoride, high-durability polyester, etc.


3. The production process has evolved from one-coating-and-one-baking to double-coating-and-double-baking, and even three-coating-and-three-baking.



Product Parameter:

Technical StandardASTM DIN GB JIS3302
GradeSGCC SGCD or Customer’s Requirement
TypeCommercial Quality/DQ
Thickness0.13mm-4.0mm
Width20mm-1500mm
Type of coatingHot Dipped Galvanized
Zinc Coating30-275g/m2
Surface treatmentPassivation/skin pass/non-oiled/oiled
Surface structureZero Spangle / Mini Spangle / Regular Spangle / Big Spangle
PackageStandard export package or customized
HardnessHRB50-71 ( CQ Grade )

HRB45-55 ( DQ Grade )
Yield strength140-300 (DQ Grade)
Tensile strength270-500 (CQ Grade)

270-420 (DQ Grade)
Elongation percentage22 (CQ Grade thickness less 0.7mm)

24 (DQ Grade thickness less 0.7mm)


Application

1)It is mainly used in construction,automotive ,metallurgical and electrical industries 

2)In the construction industry,mainly used for making roofs and walls,prefabricated keel,pre-cast bulkhead,doors and windows.

3)In automotive industry ,mainly for body shell, chassis ,doors,fuel tanks, etc In metallurgical industry,mainly used as substrate of PPGI. 

4)In electrical in industry,mainly for shell of electrical appliance.


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