galvanized steel metal sheet SGCC
Galvanized steel is steel that has a layer of zinc on top of it. Because the zinc covering keeps the steel from rusting, it is strong and lasts a long time. Steel that has been galvanized can be used for many things, like roofs, siding, fences, and industrial equipment.
Just how do you make coated steel?
Putting a steel sheet through a bath of liquid zinc makes galvanized steel. When the zinc melts, it sticks to the steel and forms a protected layer. Electric galvanizing and hot-dip galvanizing are the two main ways to galvanize steel.
Most things are galvanized in a hot-dip process. In hot-dip galvanizing, the steel sheet is put into a bath of about 800-degree-Fahrenheit melted zinc. One to six inches thick, the zinc melts and makes a layer.
A less usual way is to electrogalvanize. In electrogalvanizing, zinc ions are used to coat the steel sheet. When an electric current flows through steel, the zinc ions stick to the steel's surface. The zinc layer is roughly 0.0002 to 0.0005 inches thick.
Things that oxidized steel can do
There are many good things about galvanized steel that make it a good material. Among these traits are:
Durability: The zinc layer on the steel keeps it from rusting, which makes it a strong and long-lasting material. Steel that has been galvanized won't rust or corrode for many years.
Durability: Galvanized steel is a strong material that can handle being hit and worn down. It also doesn't wear down easily, which makes it a good choice for uses where the material will be stressed over and over again.
Low upkeep: Galvanized steel is a good choice because it doesn't need much or any care. Because the zinc covering keeps the steel from rusting, there's no need to paint or treat it.
What coated steel is used for
Galvanized steel can be used for many things, such as:
Building roofs: Galvanized steel roofing is often used for both home and business roofs. It will last a long time, won't get damaged by the weather, and can be used in many regions. By reflecting heat away from the house, galvanized steel roofs can help keep energy costs down.
Siding: Another good choice for siding is galvanized steel siding. It will last for a long time, doesn't need much upkeep, and can help save energy. Siding made of galvanized steel can also help cut down on noise pollution.
Regarding fence, galvanized steel fencing is a strong and long-lasting material that is commonly used for fencing. Rust and rusting don't stick to it either. Crime and damage can be kept at bay with galvanized steel fences.
In the business world, galvanized steel is also used for many things like houses, bridges, and machines. A galvanized steel finish can make these buildings last longer and be stronger. Because it keeps metal from rusting, galvanized steel can also help make industrial tools less harmful to the environment.
How much coated steel costs
Steel that has been galvanized costs more than steel that has not been galvanized or aluminum at first. However, coated steel can save you a lot of money in the long run. Galvanized steel doesn't need much or any upkeep, which can save you money on cleaning and other upkeep costs. Steel that has been welded can also last for decades, which can save you money on repair costs.
One study by the American Galvanizers Association found that the cost of upkeep for galvanized steel roofs can be cut by up to 50% over the life of the roof. A study also found that galvanized steel roofs can last up to fifty years. This means that you may not have to pay as much to fix it.
How Long Does Galvanized Steel Last?
Galvanized steel is a long-lasting material that can help cut down on trash that ends up in landfills. More than once, galvanized steel can be recovered up to 99%. Recycling galvanized steel also cuts down on the trash that ends up in dumps.
Galvanized steel is a good choice for many uses because it is durable and doesn't cost a lot. This material is strong and lasts a long time. It doesn't need much or any upkeep.


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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