Zinc Coating Steel Building Roof Walls Steel Coil ASTM 615-009

Zinc Coating Steel Building Roof Walls Steel Coil ASTM 615-009 System 1

Zinc Coating Steel Building Roof Walls Steel Coil ASTM 615-009

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 33 kg/m²

Supply Capability:: 11 kg/m²/month

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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.tungsten, carbon and so on. Basically, steel is an iron-carbon alloy that does not undergo eutectic reaction. In contrast,cast iron does undergo eutectic reaction, juveniles and non-breeding males have predominantly grey-brown plumage, but breeding males adopt brilliant colours, with an iridescent silvery-blue crown and upper back, red-brown shoulders, a black throat, grey-brown wings and pale underparts. Though the red-winged fairywren is locally common, there is evidence of a decline in numbers. Primarily insectivorous, it forages and lives in the shelter of scrubby vegetation in China.

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

Zinc Coating Steel Building Roof Walls Steel Coil ASTM 615-009

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:

Processability	Yield strength	Tensile strength	Elongation %	180°cold-bending
Common PV	-	270-500	-	d=0,intact,no zinc removal
Mechanical interlocking JY	-	270-500	-	d=0,intact,no zinc removal
Structure JG	>=240	>=370	>=18	d=0,intact,no zinc removal
Deep drawn SC	-	270-380	>=30	d=0,intact,no zinc removal
EDDQ SC	-	270-380	>=30	d=0,intact,no zinc removal

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:How are steel strips used in the production of metal fencing?: Steel strips are an essential component in the production of metal fencing. They are used in various stages of the manufacturing process to create sturdy and durable fencing structures. One of the primary uses of steel strips in metal fencing production is for creating the framework or skeleton of the fence. These strips are often bent or welded together to form the desired shape, such as posts, rails, or panels. The strength and rigidity of steel make it an ideal material for providing structural integrity to the fence, ensuring its ability to withstand external forces and maintain its shape over time. Steel strips are also utilized in the fabrication of fencing components, such as brackets, hinges, and fasteners. These strips are cut and shaped into specific forms to serve as connectors, allowing different parts of the fence to be securely joined together. The durability of steel ensures that these components can withstand the pressure and stress exerted on them during installation and throughout the lifespan of the fence. Additionally, steel strips are often used for reinforcement purposes in metal fencing production. They can be incorporated into the fence design to enhance its strength and resistance against bending or warping. By strategically placing steel strips within the fencing structure, manufacturers can improve its overall stability, which is particularly important in high-security or heavy-duty fencing applications. Moreover, steel strips play a crucial role in ensuring the longevity of metal fencing. They are commonly coated or treated with protective materials, such as galvanization or powder coating, to prevent corrosion and rust formation. This protective layer not only enhances the aesthetic appeal of the fence but also extends its lifespan by shielding the steel strips from environmental elements and harsh weather conditions. In summary, steel strips are used extensively in the production of metal fencing to create the framework, fabricate components, reinforce the structure, and provide longevity. Their strength, durability, and versatility make them an indispensable component in the manufacturing process, contributing to the overall quality and performance of metal fences.

Q:How do steel strips handle high-pressure applications?: Steel strips handle high-pressure applications very well due to their strong and durable nature. The high tensile strength of steel allows it to withstand intense pressure without deforming or breaking, making it an ideal material for applications where resistance to pressure is crucial. Additionally, steel strips can be manufactured to precise dimensions, ensuring a tight and secure fit in high-pressure systems.

Q:Can steel strips be used in packaging or strapping applications?: Yes, steel strips can be used in packaging or strapping applications. They are commonly used for securing heavy loads, such as construction materials or machinery, due to their high strength and durability. Steel strips provide excellent tensile strength and resistance to breakage, making them ideal for securing items during transportation or storage.

Q:How are steel strips used in the manufacturing of electrical equipment?: Steel strips are commonly used in the manufacturing of electrical equipment for various purposes such as providing structural support, forming the core of transformers, and creating magnetic components like inductors and transformers.

Q:How are steel strips coated with tin?: Steel strips can be coated with tin through a process called electroplating. Electroplating involves the use of an electrolyte solution, which contains tin salts, as well as a tin anode and the steel strip as the cathode. The steel strip is first cleaned to remove any impurities and then placed into the electrolyte solution. An electric current is then applied, causing the tin ions in the solution to be attracted to the steel strip. As the tin ions reach the strip's surface, they are reduced and form a thin layer of tin coating. This process continues until the desired thickness of the tin coating is achieved. Electroplating is a commonly used method to coat steel strips with tin due to its efficiency and ability to produce a uniform and corrosion-resistant layer. The tin coating provides several benefits to the steel strip, including protection against rust and corrosion, enhanced solderability, and improved appearance.

Q:How are steel strips processed for roll forming?: In order to achieve the desired shape and dimensions, steel strips undergo a series of steps for roll forming. The process begins by uncoiling a large coil of steel strip, which is then fed into a roll forming machine. The steel strip is gradually shaped into the desired profile as it passes through a series of rollers. These rollers are meticulously designed to create specific bends, curves, and angles in the strip. The number and arrangement of the rollers can vary depending on the complexity of the desired shape. To ensure accurate and consistent shaping, the steel strip is carefully guided and supported as it goes through the rollers. Guide rolls, side rolls, and idler rolls are employed to maintain the strip's position and prevent any wrinkling or twisting during the process. To further enhance the shaping process, some roll forming machines may incorporate additional techniques such as pre-notching or pre-punching. These techniques involve making small cuts or holes in the strip prior to entering the rollers, facilitating easier bending and forming. Once the steel strip has been fully shaped, it is then cut to the desired length. This can be done either during the roll forming process itself or as a separate step afterwards. Various cutting methods, including shearing, sawing, or punching, can be utilized depending on the specific requirements of the final product. Following the cutting stage, the formed steel strips may undergo additional processes such as hole punching, embossing, or adding surface finishes. These processes serve to enhance the functionality or aesthetic appeal of the final product. Overall, the roll forming process for steel strips involves precise shaping, meticulous support, and accurate cutting to produce a wide range of profiles and shapes. This versatile manufacturing technique is extensively utilized in industries such as construction, automotive, and appliances to manufacture components and structures that possess high strength and durability.

Q:What are the common applications of steel strips in construction?: Steel strips are commonly used in construction for a variety of applications. They are often used as reinforcement in concrete structures, such as in beams, columns, and slabs, to provide added strength and support. Steel strips are also frequently used for framing and support in walls, roofs, and ceilings. Additionally, they can be used for cladding, providing a durable and aesthetically pleasing exterior finish. Overall, steel strips are versatile and widely utilized in construction for their strength, durability, and ability to withstand various environmental conditions.

Q:What are the common packaging standards for steel strips?: Some common packaging standards for steel strips include using wooden pallets or crates, wrapping the strips with protective materials such as plastic or paper, and securing them with bands or straps to prevent movement or damage during transportation. Additionally, labeling the packages with relevant information such as product specifications, quantity, and handling instructions is also a common packaging standard.

Q:How do you calculate the weight of a steel strip?: To calculate the weight of a steel strip, you need to know its length, width, and thickness. The formula for calculating weight is weight = length x width x thickness x density of steel. By inputting these values and the density of steel, you can determine the weight of the steel strip.

Q:What are the dimensional inspection methods for steel strips?: Steel strips commonly undergo dimensional inspections using various methods to ensure their accuracy and conformity to specified standards. Some commonly employed methods for this purpose include: 1. Calipers: These instruments directly measure the thickness, width, and length of steel strips by comparing them with the calibrated scale on the caliper. This provides precise measurements. 2. Micrometers: Precision instruments like micrometers accurately measure the thickness and width of steel strips, even up to the micrometer level. They offer highly accurate measurements. 3. Optical comparators: By magnifying and illuminating the steel strip, optical comparators enable a visual comparison with a reference standard. This method allows the inspection and measurement of dimensions like width, length, and shape. 4. Laser measurement: Laser measurement systems utilize laser beams to accurately measure dimensions such as width, thickness, and more without physical contact. This ensures high precision and speed. 5. Coordinate measuring machine (CMM): CMMs are automated and highly precise dimensional inspection methods. They utilize a probe to measure multiple dimensions, including length, width, thickness, and complex geometries. CMMs provide accurate measurements for various steel strip profiles. 6. Vision systems: Vision systems incorporate cameras and image processing algorithms to inspect dimensions like width, length, and thickness of steel strips. They can also detect surface defects or irregularities. These dimensional inspection methods are often used in combination to obtain comprehensive and accurate measurements of steel strips. The selection of the appropriate method depends on the specific requirements, desired accuracy, and the type of steel strip being inspected.

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