gi coil SGC400
Coils of steel that have been coated with zinc are known as galvanized steel. Steel is a long-lasting and sturdy material because the zinc coating prevents corrosion. Roofing, siding, fencing, and industrial machinery are just a few of the many uses for galvanized steel coils.
In what ways are galvanized steel coils produced?
Coils of galvanized steel are produced by immersing a steel sheet in a solution of molten zinc. Zinc forms a protective layer on steel when it melts and sticks to it. Electrogalvanizing and hot-dip galvanizing are the two most common ways to galvanize steel coils.
The process that is most often used is hot-dip galvanizing. Steel sheets undergo hot-dip galvanizing by being submerged in a bath of molten zinc heated to around 800 degrees Fahrenheit. After melting, the zinc creates a coating with a thickness of about 0.002 to 0.006 inches.
An uncommon technique is electrogalvanizing. Electrogalvanizing involves immersing the steel sheet in a solution containing zinc ions. Zinc ions are deposited on the surface of the steel by applying an electrical current to it. Approximate thickness of the zinc coating is 0.0002 to 0.0005 inches.
Characteristics of galvanized metal tube
Galvanized steel coils are an excellent choice due to their many useful qualities. Among these characteristics are:
Steel is a long-lasting and sturdy material since it is resistant to corrosion thanks to the zinc coating. Coils of galvanized steel will not corrode or rust for decades.
For their strength, galvanized steel coils are an excellent material choice since they are long-lasting and resistant to damage. Additionally, they have fatigue resistance, making them an excellent option for uses where the material would undergo repetitive stress.
Galvanized steel coils are an economical option since they need minimal upkeep. No further painting or sealing is required since the zinc layer prevents corrosion.
The uses of coils made of galvanized steel
Many different things may be made from galvanized steel coils. Some examples are:
Roofing: Galvanized steel roofing is a common material for both business and residential roofs. You may use it in a range of climates since it is long-lasting and resistant to the elements. Since galvanized steel roofing helps to reflect heat away from the structure, it may contribute to lower energy expenditures.
When it comes to siding, galvanized steel is another great option. It may contribute to better energy efficiency, is long-lasting, and requires less upkeep. One other thing that galvanized steel siding can do to lessen noise pollution is this.
A common material for fences is galvanized steel, which is both robust and long-lasting. It can withstand the effects of corrosion and rust as well. Deterring criminals and vandals is one of the many benefits of galvanized steel fence.
Bridges, buildings, and machinery are just a few examples of the many industrial equipment that make use of galvanized steel coils. Coating these buildings with galvanized steel makes them more resilient and long-lasting.
Advantages of galvanized steel sheets
There are several advantages to using galvanized steel coils, such as:
Sturdiness: Galvanized steel coils are strong and weatherproof, so they will endure a long time. They can withstand a wide range of conditions since they are corrosion-proof.
For their strength, galvanized steel coils are an excellent material choice since they are long-lasting and resistant to damage. Additionally, they have fatigue resistance, making them an excellent option for uses where the material would undergo repetitive stress.
Galvanized steel coils are low-maintenance since they don't need much TLC. No further painting or sealing is required since the zinc layer prevents corrosion. Spending less on repairs is possible with this.
Galvanized steel coils contribute to a greener future. Because of their high recycling rate (up to 99%), they have an infinite number of potential uses. Less trash ends up in landfills because of this.
In summary,
One of the many advantages of galvanized steel coils is the material's adaptability and longevity. Roofing, siding, fences, and even industrial machinery may all benefit from their use.


Product Advantages
01. Anticorrosive: 13 years in highly industrialized regions
02. Cheap: The cost of hot-dip galvanizing is lower than that of other coatings.
03. Reliable: The zinc coating is metallurgically attached to the steel, making it an integral part of the steel surface. This bonding process increases the coating's durability.
04. Superior durability: The galvanized coating creates a unique metallic structure that is resistant to mechanical stress in transit and handling.
05. Comprehensive protection: Every portion of the plated component can be galvanized, and is totally protected even in depressions, sharp corners, and concealed locations.
06. Save time and energy: The galvanizing process is faster than other coating methods.

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Product Name |
Galvanized Coil |
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Material |
Dx51D, Dx52D, Dx53D, DX54D, S220GD, S250GD, S280GD, S350GD, S350GD, S550GD; SGCC, SGHC, SGCH, SGH340, SGH400, SGH440, SGH490, |
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SGH540, SGCD1, SGCD2, SGCD3, SGC340, SGC340 , SGC490, SGC570; SQ CR22 (230), SQ CR22 (255), SQ CR40 (275), SQ CR50 (340), SQ |
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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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Thickness |
0.12-6.00mm or customer's requirement |
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Width |
600mm-1500mm, according to customer's requirement |
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Zinc coated |
30g-275g/m2 |
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Type of Coating |
Hot Dipped Galvanized Steel |
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Surface Treatment |
Passivation(C), Oiling(O), Lacquer sealing(L), Phosphating(P), Untreated(U) |
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Surface Structure |
Normal spangle coating(NS), minimized spangle coating(MS), spangle-free(FS) |
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Coil ID |
508mm or 610mm |
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Coil Weight |
3-20 metric ton per coil |
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Standard |
JIS 3302 / ASTM A653 /EN10143 AISI , ASTM , DIN , GB , JIS G3302 G3312 G3321 , BS |
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Technique |
Hot Rolled / Cold Rolled |
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Product Application |
1. Fence, greenhouse, door pipe,greenhouse |
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2. Low pressure liquid, water, gas, oil, line pipe |
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3. For both indoor and outdoor the building construction |
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4. Widely used in scaffolding construction which is much cheaper and convenient |
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Origin |
Shandong China |
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Certificates |
API ISO9001-2008,SGS.BV |
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Delivery Time |
Usually within 10-45 days after receipt of advance payment |


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