galvanized sheet metal sheets S250GD
Galvanized steel is a type of steel that has been coated with a layer of zinc. The zinc coating protects the steel from corrosion, making it a durable and long-lasting material. Galvanized steel is used in a variety of applications, including roofing, siding, fencing, and industrial equipment.
How is galvanized steel made?
Galvanized steel is made by passing a sheet of steel through a bath of molten zinc. The zinc melts and adheres to the steel, creating a protective coating. There are two main methods for galvanizing steel: hot-dip galvanizing and electrogalvanizing.
Hot-dip galvanizing is the most common method. In hot-dip galvanizing, the steel sheet is immersed in a bath of molten zinc at a temperature of about 800 degrees Fahrenheit. The zinc melts and forms a layer that is about 0.002 to 0.006 inches thick.
Electrogalvanizing is a less common method. In electrogalvanizing, the steel sheet is submerged in a bath of zinc ions. An electrical current is applied to the steel, causing the zinc ions to deposit on the surface of the steel. The zinc coating is about 0.0002 to 0.0005 inches thick.
Properties of galvanized steel
Galvanized steel has a number of properties that make it a desirable material. These properties include:
Corrosion resistance: The zinc coating protects the steel from corrosion, making it a durable and long-lasting material. Galvanized steel can last for decades without rusting or corroding.
Strength: Galvanized steel is a strong and durable material that can withstand impact and wear. It is also resistant to fatigue, which makes it a good choice for applications where the material will be subjected to repeated stress.
Low-maintenance: Galvanized steel requires little or no maintenance, making it a cost-effective choice. The zinc coating protects the steel from corrosion, so there is no need to paint or seal the material.
Applications of galvanized steel
Galvanized steel is used in a variety of applications, including:
Roofing: Galvanized steel roofing is a popular choice for residential and commercial roofing applications. It is durable, weather-resistant, and can be used in a variety of climates. Galvanized steel roofing can help to reduce energy costs by reflecting heat away from the building.
Siding: Galvanized steel siding is also a good choice for siding applications. It is durable, low-maintenance, and can help to improve energy efficiency. Galvanized steel siding can also help to reduce noise pollution.
Fencing: Galvanized steel fencing is a strong and durable material that is often used for fencing applications. It is also resistant to rust and corrosion. Galvanized steel fencing can help to deter crime and vandalism.
Industrial equipment: Galvanized steel is also used for a variety of industrial equipment, such as bridges, buildings, and machinery. These structures can be made more durable and long-lasting with a galvanized steel coating. Galvanized steel can also help to reduce the environmental impact of industrial equipment by protecting it from corrosion.
Cost-effectiveness of galvanized steel
The initial cost of galvanized steel is higher than that of other materials, such as ungalvanized steel or aluminum. However, the long-term cost savings of galvanized steel can be significant. Galvanized steel requires little or no maintenance, which can save money on painting and other maintenance costs. Additionally, galvanized steel can last for decades, which can save money on replacement costs.
For example, a study by the American Galvanizers Association found that galvanized steel roofing can save up to 50% on maintenance costs over the lifetime of the roof. The study also found that galvanized steel roofing can last for up to 50 years, which can save money on replacement costs.
Sustainability of galvanized steel
Galvanized steel is a sustainable material that can help to reduce the amount of waste that is sent to landfills. Galvanized steel can be recycled up to 99%, which means that it can be reused over and over again. Recycling galvanized steel also helps to reduce the amount of waste that is sent to landfills.
In conclusion, galvanized steel is a cost-effective and sustainable choice for a variety of applications. It is a durable and long-lasting material that requires little or no maintenance.
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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