Prepainted Galvanized Steel Sheets in Coil

Prepainted Galvanized Steel Sheets in Coil System 1

Prepainted Galvanized Steel Sheets in Coil System 2

Prepainted Galvanized Steel Sheets in Coil

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 100 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:

Prepainted Galvanized Steel Sheets in Coil

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:

Prepainted Galvanized Steel Sheets in Coil

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: Can steel sheets be used for manufacturing sporting equipment?: Yes, steel sheets can be used for manufacturing certain types of sporting equipment like hockey sticks, baseball bats, and golf club heads. However, they may not be suitable for all types of sporting equipment due to their weight and rigidity.

Q: What are the main applications of steel sheets?: Steel sheets have a wide range of applications, including construction projects, automotive manufacturing, shipbuilding, appliance production, and industrial machinery. They are used for structural components, such as beams and columns, as well as for cladding, roofing, and flooring. Additionally, steel sheets are utilized in the production of various consumer goods, such as furniture, containers, and electrical appliances.

Q: Can steel sheets be used for insulation cladding?: No, steel sheets are not typically used for insulation cladding. Insulation cladding is typically made of materials with better insulating properties, such as foam boards or reflective foil. Steel sheets are more commonly used for structural purposes or as a protective covering.

Q: Are the steel sheets suitable for electrical applications?: Yes, steel sheets are suitable for electrical applications as they have good conductivity and can be easily shaped into desired forms for various electrical components.

Q: What is the difference between a galvanized and aluminized steel sheet?: Galvanized steel and aluminized steel sheets are both widely used in various industries due to their durability and corrosion-resistant properties. However, there are distinct differences between the two. Galvanized steel sheets are coated with a layer of zinc to protect the underlying steel from rust and corrosion. This process, known as galvanization, involves immersing the steel sheet in a bath of molten zinc or applying a zinc-rich coating through electroplating. The zinc layer acts as a sacrificial barrier, meaning that it will corrode before the steel does, providing excellent protection against rust. Galvanized steel is commonly used in outdoor applications, such as roofing, fences, and automobile parts. On the other hand, aluminized steel sheets are coated with a layer of aluminum-silicon alloy. This process, known as aluminization, involves hot-dipping the steel sheet in a bath of molten aluminum or applying a thin layer of aluminum-silicon alloy through a continuous hot-dip process. The aluminum-silicon coating offers excellent heat resistance and corrosion resistance. Aluminized steel is commonly used in applications where high temperatures are present, such as automotive exhaust systems, heat exchangers, and ovens. In summary, the main difference between galvanized and aluminized steel sheets lies in the type of coating applied to the steel. Galvanized steel is coated with zinc, providing excellent rust protection, while aluminized steel is coated with an aluminum-silicon alloy, providing superior heat and corrosion resistance. The choice between the two depends on the specific requirements of the application, such as the presence of high temperatures or the need for long-lasting rust protection.

Q: What are the different methods of surface texturing for steel sheets?: There are several methods of surface texturing for steel sheets, including embossing, etching, grinding, and shot blasting. Embossing involves creating a pattern on the surface by pressing it between two rollers with engraved designs. Etching uses chemicals to remove a thin layer of the steel surface, creating a textured pattern. Grinding involves using abrasive wheels to remove material and create a desired texture. Shot blasting uses high-speed particles to bombard the surface, creating a rough texture by removing small amounts of material.

Q: Can steel sheets be used for walkways or platforms?: Yes, steel sheets can be used for walkways or platforms. Steel sheets are commonly used in industrial and commercial settings due to their durability, strength, and resistance to various environmental factors. They can be fabricated and installed to create sturdy walkways or platforms that can withstand heavy foot traffic or even the movement of equipment and machinery. Steel sheets can also be customized to meet specific design requirements such as non-slip surfaces, raised edges for safety, or perforations for drainage. Additionally, steel sheets are relatively low maintenance and can be easily cleaned and maintained, making them an ideal choice for walkways or platforms in various applications including factories, warehouses, construction sites, and even outdoor areas.

Q: What is the process of applying insulation materials to steel sheets?: The process of applying insulation materials to steel sheets typically involves several steps. First, the steel sheets are thoroughly cleaned and prepared to ensure proper adhesion of the insulation material. Then, a layer of adhesive is applied to the surface of the steel sheets. Next, the insulation material, such as foam or fiberglass, is cut and shaped to fit the dimensions of the steel sheets. The insulation material is then carefully placed onto the adhesive-coated steel sheets, ensuring proper alignment and coverage. Finally, the insulation material is pressed or secured in place to ensure a tight bond with the steel sheets.

Q: How are steel sheets protected during transportation by sea?: To ensure the safety and prevent damage of steel sheets during transportation by sea, various measures are taken. One commonly used method involves applying a protective coating to the sheets. This coating acts as a barrier against moisture and saltwater, which are the main culprits behind corrosion during sea transportation. The coating can be a temporary solution, such as a layer of oil or wax, or a more permanent option, such as a layer of paint or zinc. Moreover, steel sheets are often bundled or placed in shipping containers for added protection. These bundles are secured with straps or wires to prevent movement and potential damage in rough sea conditions. The shipping containers themselves are designed to withstand the challenges of sea transportation and shield the steel sheets from exposure to the elements. Additionally, the sheets may be wrapped in plastic or other waterproof materials to provide an extra layer of defense against moisture. This helps prevent direct contact with seawater or rain, thus reducing the risk of corrosion. During the loading and unloading processes, proper handling techniques are employed to minimize the risk of damage. Cranes or forklifts are carefully used to lift and move the steel sheets, ensuring that they are not dropped or subjected to excessive force that could cause dents or bends. Overall, a combination of protective coatings, secure packaging, and proper handling techniques is utilized to safeguard steel sheets during sea transportation. This reduces the likelihood of damage and ensures that they reach their destination in optimal condition.

Q: Should the carbon fiber reinforce the steel bar on the side of the beam?: Not necessarily, mainly depends on how the design is calculated, usually put 100~200mm carbon fiber layering

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