gi coil SGC340
The steel coils known as galvanized steel have a zinc coating. Thanks to the zinc coating, steel is protected from corrosion and remains a long-lasting material. Numerous products make use of galvanized steel coils, such as construction machinery, fences, and roofing materials.
Who makes galvanized steel coils?
Steel sheets are transformed into galvanized steel coils by immersing them in a solution of molten zinc. While melting, zinc bonds to steel, forming a protective layer. The two most common ways to galvanize steel coils are electrogalvanizing and hot-dip galvanizing.
The technique that is most often used is hot-dip galvanizing. A steel sheet undergoes hot-dip galvanizing by being submerged in a bath of molten zinc heated to around 800 degrees Fahrenheit. The zinc melts and generates a coating that ranges in thickness from 0.002 to 0.006 inches.
Less often used is electrogalvanizing. Submerging the steel sheet in a bath of zinc ions is the process of electrogalvanizing. An electrical current is used to deposit zinc ions onto the steel's surface. A thickness of about 0.0002 to 0.0005 inches is shown by the zinc coating.
Characteristics of galvanized steel tubing
Rolls of galvanized steel have several useful qualities that make them an attractive material. This property set comprises:
Zinc coating prevents steel from rusting and other forms of corrosion, making it a great material for outdoor projects. Rolls of galvanized steel are resistant to corrosion and rust for many years.
The strength of galvanized steel coils lies in their ability to endure impact and wear and tear. Additional benefits include fatigue resistance, which makes these materials ideal for uses involving repetitive stress.
Inexpensive and low-maintenance, galvanized steel coils are a great option. Zinc coating prevents steel from rusting, therefore painting or sealing is unnecessary.
Uses for galvanized steel coils
The many uses for galvanized steel coils include:
For both commercial and residential roofing needs, galvanized steel is a great material to use. It can withstand a lot of wear and tear and is effective in many different conditions. Reflecting heat away from the structure, galvanized steel roofing may contribute to lower energy bills.
Sidewalks: Another great option for sidewalks is galvanized steel cladding. Besides contributing to greater energy efficiency, it is long-lasting and requires little upkeep. Additionally, galvanized steel siding may aid in the mitigation of noise pollution.
The usage of galvanized steel fence is common since it is a sturdy and long-lasting material. More than that, it won't corrode or rust. A fence made of galvanized steel may act as a deterrent against criminal activity and public damage.
Industries: Bridges, buildings, and machines are just a few examples of the many industrial equipment that make use of galvanized steel coils. By applying a galvanized steel coating, these structures may be made more resilient and enduring.
Why galvanized steel coils are beneficial
There are many advantages to using galvanized steel coils, such as:
Resilience: Galvanized steel coils are strong, long-lasting materials that are resistant to weather changes. Their corrosion resistance makes them versatile in terms of where they may be employed.
The strength of galvanized steel coils lies in their ability to endure impact and wear and tear. Additional benefits include fatigue resistance, which makes these materials ideal for uses involving repetitive stress.
Easy to maintain: Galvanized steel coils are low-maintenance. Zinc coating prevents steel from rusting, therefore painting or sealing is unnecessary. Cut down on maintenance expenses with this.
Eco-Friendly: Galvanized steel coils are eco-friendly. Their high degree of recyclable content (up to 99%) makes them very versatile and efficient. One benefit is that less trash ends up in landfills.
In summary
When it comes to durability and adaptability, galvanized steel coils are hard to beat. From roofing and siding to fence and industrial equipment, they're a solid choice for many uses.


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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