galvanised plate steel S400GD
Steel that has been covered with a zinc coating is known as galvanized steel. Steel is made strong and long-lasting by the zinc coating, which keeps it from corroding. Industrial machinery, siding, roofing, and fence are just a few of the uses for galvanized steel.
Why is steel galvanized?
By immersing a steel sheet in a molten zinc bath, galvanized steel is created. A layer of defense is formed when the zinc melts and sticks to the steel. Steel may be electrogalvanized or hot-dip galvanized, the two primary techniques.
It is most often done via hot-dip galvanizing. A bath of molten zinc that is about 800 degrees Fahrenheit is used to submerge the steel sheet during the hot-dip galvanizing process. A layer that is between 0.002 and 0.006 inches thick is created when the zinc melts.
It's less customary to use electrogalvanizing. Steel sheets are immersed in a zinc ion solution during the electrogalvanizing process. The zinc ions deposit on the steel's surface when an electrical current is supplied to the steel. Around 0.0002 to 0.0005 inches of zinc coating are present.
Qualities of steel that has been galvanized
A multitude of qualities make galvanized steel an attractive material. These characteristics consist of:
Corrosion resistance: Steel is made strong and resilient by the zinc coating, which keeps it safe from rust. Decades may pass without rust or corrosion when steel is galvanized.
Sturdiness: Impact and wear may be tolerated by galvanized steel, which is a robust and resilient material. For situations where the material will be repeatedly stressed, its fatigue resistance makes it a viable option.
Minimal upkeep: Galvanized steel is an economical option as it needs little to no maintenance. No painting or sealing is required since the zinc coating prevents corrosion on the steel.
The uses of steel that has been galvanized
The following are just a few uses for galvanized steel:
Roofing: For both commercial and residential uses, galvanized steel roofing is a common option. It works well in a range of weather conditions and is resilient to abrasion. The heat that is reflected off a building by a galvanized steel roof may assist save energy expenses.
Siding: For siding applications, galvanized steel siding is a fantastic alternative. It may enhance energy efficiency and is long-lasting and low-maintenance. Reducing noise pollution is another benefit of galvanized steel siding.
Frequently used for fence purposes, galvanized steel fencing is a robust and long-lasting substance. Rust and corrosion cannot harm it either. In order to prevent crime and vandalism, galvanized steel fence might be useful.
Heavy machinery, buildings, bridges, and other industrial structures are among the many items of machinery made with galvanized steel. By applying a galvanized steel coating, these structures may be strengthened and prolonged. By keeping industrial equipment from corroding, galvanized steel may also assist to lessen its environmental effect.
Galanized steel's environmental and financial advantages
Galvanized steel provides several advantages for sustainability in addition to the qualities and uses already discussed. To manufacture new items, for instance, it is a recyclable material. Furthermore environmentally friendly, galvanized steel may aid in lowering the quantity of garbage dumped in landfills.
One effective method of resource conservation and pollution reduction is the recycling of galvanized steel. Reusable materials such as galvanized steel may be recycled up to 99% of the time. The quantity of debris that is dumped in landfills is also decreased by recycling galvanized steel.
For many applications, galvanized steel is an affordable option in terms of cost. Compared to comparable materials like ungalvanized steel or aluminum, galvanized steel has a greater starting cost. Nonetheless, galvanized steel may result in considerable long-term cost reductions. Costs associated with painting and other upkeep may be reduced since galvanized steel needs little to no maintenance. Furthermore, the long lifespan of galvanized steel may reduce replacement expenses by many decades.
Numerous advantages come with galvanized steel, which is a strong, adaptable material. For many applications, it is a fantastic option that may help you save money on maintenance expenses and lessen your influence on the environment.


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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