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Regular Spangle Galvanized Steel Coil 1250mm Width Dx51d Z275 Zinc Coated

Place of Origin China
Brand Name TONGMAO
Certification ISO9001 MTC
Model Number Galvanized Steel Coils
Minimum Order Quantity 5tons
Price Negotiable
Packaging Details Standard Packing
Delivery Time 7-15days
Payment Terms L/C, T/T
Supply Ability 500tons/month

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Product Details
Thickness 0.125- 0.6mm Zinc Coating 40-275g/m2
Spangle Type Regular Spangle/Minimum Spangle Grade DX51D,SGCC,DX52D,ASTMA653,JISG3302
Color Silver Technique Hot Dipped
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Regular Spangle Galvanized Steel Coil


1250mm Galvanized Steel Coil


Z275 Dx51d Galvanized Steel Coil

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Product Description

Regular Spangle/Minimum Spangle 600-1250mm Width Hot Dipped Dx51d Z275 Zinc Coated Galvanized Steel Coil


Technical StandardEN10147/EN10142/DIN 17162/JIS G3302/ASTM A653
GradeDx51D, 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
Thickness0.125-6.00mm,or customer's requirement
Width600mm-1500mm,according to customer's requirement
Type of CoatingHot Dipped Galvanized Steel(HDGI)/Electro-Galvanised Steel(EGI)
Zinc Coating20-275g/m2
Surface TreatmentPassivation(C),Oiling(O),Lacquer sealing(L),Phosphating(P),Untreated(U)
Surface StructureNormal spangle coating(NS),minimized spangle coating(MS),spangle-free(FS)
ID508mm/610mm,according to customer's requirement

1. The mechanism of producing zinc flowers in the coating of hot-dip galvanized coil/sheet. Beautiful zinc flowers are a main feature of hot-dip galvanized coil
The most complete form of zinc crystal is similar to snowflake or hexagonal star, so the zinc crystal on the surface of strip steel is most likely to be shaped
Into snowflakes or hexagonal star zinc flowers.
1.1 conditions required for the formation of zinc flowers. Add two kinds of alloy elements with different properties to the zinc solution
Elements, one kind of which is fully soluble in molten zinc, but hardly soluble in solid zinc, such as lead and titanium;
The other is soluble in both liquid and solid zinc, such as aluminum, tin, antimony, etc. If you add a single
Although the alloy elements can change the surface state of the solidified coating, they cannot form typical zinc flowers,
Usually, the lead-free process we use to produce small zinc flowers is based on this principle.
1.2 the shape of zinc flower the shape of zinc flower depends on the type of two kinds of alloys, such as: selecting lead antimony can obtain
Get Phoenix Tail zinc flower; Choose lead tin to get sheep tooth zinc flower and so on. Crystal orientation of zinc flower on coating surface
Its appearance is different, and there are also differences in processing, such as: the processability of feathery zinc flowers in simple stretching and deep drawing
The processability of fern shaped and leaf shaped zinc flowers is the worst; While in bending and tension processing, leaves
The processability of zinc flower is the best, followed by feather zinc flower and sheep tooth zinc flower

Definition of galvanized coil coating

1, normal zinc flower coating During the normal solidification process, the zinc grains grow freely and the coating with obvious zinc flower morphology is formed.

2, small zinc flower coating During the solidification process of zinc layer, the zinc grains are artificially limited to form as fine zinc flower coating as possible.

3, no zinc flower coating By adjusting the chemical composition of the bath, the coating does not have visible zinc flower morphology, uniform surface.

4, zinc iron alloy coating After heat treatment of the steel strip through the galvanized tank, the entire coating into zinc and iron alloy layer, this coating appearance is dark gray, no metallic luster, easy to powder in the violent forming process, suitable for in addition to general cleaning, without further treatment can be directly painted coating.

5, the thickness of the coating,On both sides of galvanized steel plate, it is required to have different layers of coating weight.

6, finishing Finishing is a cold rolling of galvanized steel sheet with a small amount of deformation for one or more of the following purposes. Improve the surface appearance of galvanized steel plate or suitable for decorative coating; So that the finished product is not processed when the phenomenon of slip line or fold grain temporarily reduced to the minimum.

Regular Spangle Galvanized Steel Coil 1250mm Width Dx51d Z275 Zinc Coated 0
Regular Spangle Galvanized Steel Coil 1250mm Width Dx51d Z275 Zinc Coated 1

1.Quality Guarantee After Receiving The Goods:Offer money return or ship new products for free if any problems happen.
2.Technical guidance for further processing.
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