Z150 Zinc Coating Steel Building Roof Walls Steel Coil ASTM 615-009

Z150 Zinc Coating Steel Building Roof Walls Steel Coil ASTM 615-009 System 1

Z150 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:: 22 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 Community portal – Bulletin board, projects, resources and activities covering a wide range of Wikipedia areas.
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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

Z150 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:Can steel strips be bent or formed into different shapes?: Yes, steel strips can be bent or formed into different shapes through processes such as rolling, bending, or stamping. The malleability and ductility of steel allow it to be easily manipulated into various desired shapes and forms.

Q:How are steel strips used in the manufacturing of industrial machinery?: Steel strips are commonly used in the manufacturing of industrial machinery due to their various desirable properties. These strips are typically made from high-quality steel and are used in a wide range of applications within the industrial machinery sector. One of the key uses of steel strips in the manufacturing of industrial machinery is in the production of components and parts. These strips can be cut and shaped into specific sizes and dimensions, allowing manufacturers to create various components such as gears, springs, brackets, and frames. The strength and durability of steel make it an ideal material for these vital components, ensuring that the machinery operates smoothly and reliably. Steel strips can also be used in the construction and assembly of machinery frames and structures. The strips can be bent, welded, and joined together to create sturdy and rigid frameworks that provide the necessary support for the entire machinery. This is particularly important for heavy machinery that requires stability and strength to perform effectively. Furthermore, steel strips are often used in the manufacturing of conveyor systems and belts, which are crucial for the transportation of materials and products within industrial settings. These strips can be shaped into the desired form and then fitted with various components such as rollers and bearings to create efficient and reliable conveyor systems. In addition to their structural uses, steel strips can also be employed in the manufacturing of cutting tools and blades. The hardness and sharpness of steel make it an ideal material for creating blades that can cut through different materials efficiently. These blades are commonly used in industrial machinery such as cutting machines, shears, and shredders. Overall, steel strips play a vital role in the manufacturing of industrial machinery by providing strength, durability, and versatility. Their ability to be shaped, joined, and customized according to specific requirements makes them an essential component in the production of various machinery parts, structures, and tools.

Q:How are steel strips cleaned and degreased?: Different methods can be used to clean and degrease steel strips, depending on specific requirements and conditions. One common approach involves the use of a chemical cleaning solution designed to eliminate grease and oil from the steel's surface. This solution is typically applied to the strips and left for a certain period to break down the grease and oil. Afterward, the steel strips are usually rinsed with either water or a cleaning agent to eliminate any remaining residues. In some instances, a high-pressure water jet may be employed to enhance the cleaning process and ensure the removal of all contaminants. Another technique for cleaning and degreasing steel strips involves mechanical means, such as the use of brushes or abrasive materials to physically scrub away the grease and oil. This method is often preferred for more substantial build-ups or when the steel strips have a rougher surface that requires a more aggressive cleaning approach. Furthermore, advanced techniques like ultrasonic cleaning can be utilized to eliminate grease and oil from steel strips. This involves the usage of high-frequency sound waves to generate tiny bubbles in a cleaning solution, which then implode and create intense agitation to dislodge and remove contaminants from the steel's surface. Overall, the choice of cleaning and degreasing method for steel strips depends on factors such as the level of contamination, the type of grease or oil present, and the desired cleanliness requirements. It is essential to carefully select the appropriate cleaning method to ensure thorough cleaning of the steel strips, making them ready for further processing or use.

Q:What is the typical yield strength of steel strips?: The typical yield strength of steel strips is around 300 to 400 megapascals (MPa).

Q:How do steel strips perform in corrosive environments?: Steel strips perform well in corrosive environments due to their inherent resistance to corrosion. Steel is often coated with protective layers such as zinc, which further enhances its ability to withstand corrosion. Additionally, steel is known for its durability and strength, making it a reliable choice for applications in corrosive environments.

Q:How are steel strips processed for wear resistance?: Steel strips can undergo various processes to enhance their wear resistance. One common method is through heat treatment, where the steel strips are heated to a specific temperature and then cooled rapidly to form a hardened surface. This process, known as quenching and tempering, helps to increase the hardness and strength of the steel, making it more resistant to wear. Another technique used is the application of coatings or surface treatments. These can include processes such as electroplating, where a layer of a different metal is deposited onto the surface of the steel strip, creating a protective barrier against wear. Other surface treatments like nitriding or carburizing can also be employed to increase the surface hardness and wear resistance of the steel strip. Additionally, steel strips can be subjected to mechanical processes like shot peening or grinding. Shot peening involves bombarding the surface of the strip with small metallic or ceramic particles, which induces compressive stresses and improves its resistance to fatigue and wear. Grinding, on the other hand, removes a thin layer of material from the surface, exposing fresh, harder layers underneath and improving wear resistance. Overall, the processing of steel strips for wear resistance involves a combination of heat treatment, surface coatings, and mechanical treatments. These techniques help to improve the hardness, strength, and overall durability of the steel, making it more suitable for applications where wear resistance is crucial.

Q:How are steel strips stamped or formed into specific shapes?: Various manufacturing processes can be used to transform steel strips into specific shapes. One commonly used method is stamping or pressing, where the steel strip is placed between two dies. Pressure is then applied to deform the strip into the desired shape. The dies have cavities that match the shape of the final product, and when the strip is pressed between them, it takes on the shape of the cavities. Stamping can be done using mechanical or hydraulic presses. Mechanical presses use a motor-driven flywheel to generate energy, while hydraulic presses use fluid pressure. Each type of press has its own advantages depending on the complexity and size of the desired shape. Typically, the steel strip is fed into the press and the press is activated. This causes the dies to come together and shape the strip. The process can be done in a single step or multiple steps depending on the complexity of the shape. Multiple steps may involve multiple dies and intermediate operations to gradually shape the strip into the final product. Another method for shaping steel strips is roll forming. In this process, the strip is passed through a series of rollers that progressively bend and shape it. Each roller contributes to a specific part of the final shape. The strip is continuously fed through the rollers until the desired shape is achieved. Roll forming is advantageous for producing long, continuous shapes or profiles used in construction or automotive industries. It offers high precision and repeatability, making it suitable for mass production. In conclusion, pressure, bending, and manipulation of steel strips using specialized dies or rollers allow for the efficient and precise production of a wide range of steel products with different shapes and sizes, whether through stamping or roll forming.

Q:What are the surface finishes available for steel strips?: There are several surface finishes available for steel strips, including hot-dip galvanized, cold-rolled, electro-galvanized, and coated finishes such as zinc, tin, or chromium. Additionally, steel strips can also be polished, brushed, or textured for decorative or functional purposes.

Q:What are the different grades of steel used for strips?: Strips in various industries require different grades of steel. These grades are selected based on the desired properties and specific applications of the strips. Among the commonly used grades is carbon steel, known for its strength and durability. It is frequently employed in automotive components, construction materials, and machinery parts that demand high tensile strength. Another widely used grade is stainless steel, valued for its resistance to corrosion and its aesthetic appeal. It finds application in industries like food processing, pharmaceuticals, and architecture, where protection against rust and staining is crucial. High-strength low-alloy (HSLA) steel is a grade that combines the strength and durability of carbon steel with improved formability. It is ideal for applications that require both strength and flexibility, such as in the manufacturing of automotive components and structural parts. Additionally, there exist specialized grades of steel for specific applications. For instance, electrical steel possesses magnetic properties and is used in the production of transformers and electrical motors. Tool steel, on the other hand, is utilized for manufacturing cutting tools and dies due to its hardness and resistance to wear. To summarize, the choice of steel grades for strips varies depending on specific requirements. Carbon steel, stainless steel, HSLA steel, electrical steel, and tool steel are commonly used grades, each offering distinct properties and advantages for various industries.

Q:What are the factors that affect the hardness of steel strips?: The hardness of steel strips can be affected by various factors. 1. The carbon content in steel plays a significant role in determining its hardness. Higher carbon content generally results in increased hardness. 2. The hardness of steel strips can also be influenced by the presence of certain alloying elements like chromium, manganese, and molybdenum. These elements can form carbides and enhance the overall hardness of the material. 3. The hardness of steel strips is greatly influenced by the heat treatment process, which includes quenching and tempering. Quenching involves rapidly cooling the material, while tempering is a subsequent heating process that improves toughness and reduces brittleness. 4. The cooling rate during the manufacturing process can affect the hardness of steel strips. Faster cooling methods, like water quenching, can result in a harder material compared to slower cooling methods. 5. The size of the grains in the steel structure can impact its hardness. Smaller grain sizes generally lead to increased hardness due to a more uniform distribution of carbon and alloying elements. 6. Impurities like sulfur and phosphorous can have a negative impact on the hardness of steel strips. These impurities can form brittle compounds and reduce the overall hardness of the material. 7. Cold working processes such as rolling or drawing can increase the hardness of steel strips. This deformation process introduces dislocations, which in turn increase the strength and hardness. 8. The composition and microstructure of the steel, including the presence of phases like martensite, ferrite, and pearlite, can influence its hardness. These phases form during cooling and contribute to different levels of hardness. It is important to consider that the hardness of steel strips often involves a trade-off with other properties such as toughness and ductility. Therefore, finding the right balance between hardness and other desired characteristics is crucial for specific applications.

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