Galvanized Steel Sheet Coils GI in High Quality

Galvanized Steel Sheet Coils GI in High Quality System 1

Galvanized Steel Sheet Coils GI in High Quality

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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Hot-dip Zinc Coating Steel Building Roof Walls

1.Structure of Hot-Dip Galvanized Steel Sheet Description：

Hot-dip galvanized steel coils are available with a pure zinc coating through the hot-dip galvanizing process. It offers the economy, strength and formability of steel combined with the corrosion resistance of zinc. The hot-dip process is the process by which steel gets coated in layers of zinc to protect against rust. It is especially useful for countless outdoor and industrial applications. Production of cold formed corrugated sheets and profiles for roofing, cladding, decking, tiles, sandwich walls, rainwater protective systems, air conditioning duct as well as electrical appliances and engineering.

2.Main Features of the Hot-Dip Galvanized Steel Sheet：

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent anticorrosive property

• High strength

• Good formability

• Good visual effect

3.Hot-Dip Galvanized Steel Sheet Images

Galvanized Steel Sheet Coils GI in High Quality

4.Hot-Dip Galvanized Steel Sheet Specification

Standard: ASTM, JIS,EN

Grade: CS, DX51D+Z,SGCC, SS 230~550,S220GD+Z~S550GD+Z, SGC340~SGC570

Thickness: 0.1mm~5mm

Width: max 2000mm

Coil weight:3-12 MT

Coil ID:508/610mm

Surface structure: zero spangle, regular spangle or minimum spangle

Surface treatment: Chromate treatment, Oiled/dry, skinpassed/non-skinpassed

Packing: Standard seaworthy export package

Technology test results:

Galvanized Steel Sheet Coils GI in High Quality

5.FAQ of Hot-Dip Galvanized Steel Sheet

We have organized several common questions for our clients，may help you sincerely：

1.How about your company？

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

2.How to guarantee the quality of the products？

We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

3. How long can we receive the product after purchase?

Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-30 days, but the shipment will depend on the vessel situation.

Q: What are the common methods of preserving steel coils?: Some common methods of preserving steel coils include applying protective coatings, such as oil or paint, to prevent corrosion and rust formation. Another method is using VCI (Vapor Corrosion Inhibitor) paper or film, which releases chemicals that prevent oxidation. Additionally, steel coils can be stored in climate-controlled environments or wrapped in moisture-resistant materials to minimize exposure to moisture and humidity, which can accelerate corrosion.

Q: Can you recycle steel? And if you wanted to buy some recycled steel, where would you get it?: V J is right when he says that steel is the most recycled commodity on the planet. When the price of steel is high, everyone in the steel recycling and forming industry wants their equipment up and running - that's what keeps my husband employed. You would buy some of the steel for a cruise ship from an industrial roll mill, it would likely need to be 3/8' or more thick, not sure how big the rolls would be. Other steel would be purchased from a bar, angle, flat and channel mill, and still other material for your cruise ship would come from a mill that casts beams and other structural parts. My husband made the hull for a 41' steel sail boat by himself, it was all made from steel materials that were readily available in the Vancouver area of British Columbia, Canada. China sells steel - lots and lots and lots of it.

Q: What are the common tests performed on steel coils?: Common tests performed on steel coils include visual inspection, dimensional measurement, tensile strength testing, hardness testing, surface finish evaluation, and coating thickness measurement. Additionally, other specialized tests like bend testing, impact testing, and corrosion resistance testing may also be performed depending on the specific requirements and application of the steel coils.

Q: How are steel coils used in the manufacturing of body reinforcements?: Steel coils are used in the manufacturing of body reinforcements by being processed and shaped into various structural components, such as beams and frames, which provide strength and support to the body of a vehicle. These reinforcements help enhance the vehicle's structural integrity, ensuring safety and protection for the occupants in the event of a collision or impact.

Q: Are steel coils used in the aerospace industry?: Yes, steel coils are used in the aerospace industry.

Q: What are the challenges in coil leveling for coated steel?: To achieve high-quality, flat, and smooth coils, several challenges must be addressed in the process of coil leveling for coated steel. The first challenge lies in the potential damage to the coating during leveling. Coated steel coils are typically covered with materials like zinc or paint, which are susceptible to scratching or marring if mishandled. The leveling process involves passing the coil through a series of rolls, which can cause friction, abrasion, or other mechanical harm to the coating. Therefore, it is crucial to meticulously control the speed, pressure, and alignment of the rolls to minimize coating damage. The second challenge stems from the variations in thickness across the coil. Coated steel coils often exhibit thickness discrepancies due to inherent material properties or production methods. These variations can lead to uneven leveling, resulting in coils with waviness or inconsistent flatness. Achieving uniform leveling across the entire coil surface is vital to ensure consistent quality and appearance of the final product. Another challenge in coil leveling for coated steel is the possibility of shape distortion. The coating processes can introduce stresses into the steel, causing the coil to warp or distort during leveling. This distortion can lead to coils with irregular edges or uneven flatness. Proper control of leveling process parameters, such as the number of passes and applied tension, is necessary to minimize shape distortion. Furthermore, the coil leveling process can generate internal stresses in the steel, especially in cold-rolled or heat-treated coated steels. These internal stresses can result in coil spring-back, where the coil attempts to revert to its original shape after leveling. Spring-back can cause coils with undesired curvature or inconsistent flatness. Effective strategies, such as stress relief annealing or employing counteracting leveling techniques, are essential to minimize spring-back and achieve the desired flatness. Lastly, handling and storing coated steel coils pose challenges in maintaining the quality of the leveled coils. Coated steel coils are sensitive to environmental conditions, such as humidity, temperature, and exposure to corrosive substances. Proper storage and handling practices are crucial to prevent coating damage, rust, or other forms of deterioration that can occur during transportation or storage. In conclusion, the challenges in coil leveling for coated steel involve minimizing coating damage, addressing thickness variation, controlling shape distortion and spring-back, and ensuring proper handling and storage. Overcoming these challenges necessitates precise control of process parameters, the application of suitable leveling techniques, and strict adherence to quality control measures throughout the entire process.

Q: What materials are used to make steel coils?: Steel coils are primarily made from a material called steel, which is an alloy composed mainly of iron and carbon. The specific type of steel used to make coils depends on the desired properties and applications. Generally, carbon steel is the most common type used, as it offers strength, durability, and versatility. Other alloying elements may be added to enhance certain properties or characteristics of the steel, such as manganese, silicon, nickel, or chromium. The production of steel coils involves melting down the raw materials, refining the molten steel, and then shaping it into coils using specialized equipment and processes.

Q: How is it used easy 10 points just tell me how its used or any intersting facts this is for my comp science paper lol. I know what the hell does steel have to too do with computers he is a Fg! Please be descriptive THANKS! FAST ANSWERS TOO it 9pm bedtime for a 14 year old lol..: steel is used for cars and trains. one of the largest steel manufacturers is in my town its called CarTech its in reading pa.

Q: What are the common defects in steel coil finishes?: There are several common defects that can occur in steel coil finishes. These defects can impact the appearance and functionality of the steel and may need to be addressed before the coil can be used or sold. 1. Coil breaks: Coil breaks are a common defect where the steel strip breaks during winding or unwinding. This defect can result in a discontinuity in the surface of the coil and can lead to further damage if not addressed. 2. Edge wave: Edge wave refers to a distortion or waviness at the edges of the steel coil. This defect can occur during the rolling or cooling process and can affect the flatness and uniformity of the coil. 3. Corrosion: Corrosion can occur on the surface of steel coils if they are not properly protected or stored. This can lead to rust and degradation of the steel, impacting its strength and appearance. 4. Streaks and stains: Streaks and stains can occur on the surface of steel coils due to improper cleaning or contamination during the production process. These defects can affect the aesthetic appearance of the steel and may need to be addressed before the coil can be used. 5. Scratches and dents: Scratches and dents can occur on the surface of steel coils during handling, transportation, or storage. These defects can impact the flatness and surface quality of the steel and may require repairs or adjustments. 6. Coating defects: If the steel coil has a coating or paint applied to it, several defects can occur. These include blistering, peeling, or uneven application of the coating, which can affect the durability and appearance of the steel. It is important to note that these defects can vary in severity and may require different methods of repair or mitigation. Regular inspections and quality control measures can help identify and address these defects before they become more significant issues.

Q: can u use stainless steel to make a coin? why or why not? answers based on facts plz.: Stainless steel has been used by some countries to make coins, but it's not an ideal metal. When a coin is struck, a die comes down and strikes the blank with many tons of force (the blank is also sitting on top of another die--one has the image on the obverse (front) of the coin, while the other die has the image of the reverse of the coin). When the die strikes the blank, the force causes the metal in the blank to flow into the recesses of the die. The problem with stainless steel is that it doesn't want to flow into the die. To get an image, either the relief (how high the raised portion of the design will be) has to be very low, and the coin has to have a simple design, or they have to greatly increase the pressure of the strike. This slows the coining press down, and greatly shortens the life of the dies.

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