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: What are the common surface treatment methods for steel strips?: Steel strips can undergo various surface treatment methods to fulfill specific purposes and offer different advantages. One method commonly used is galvanizing, which entails applying a zinc layer to the steel strip. This process shields the steel from corrosion by acting as a sacrificial anode, preventing oxidation. Galvanized steel strips are frequently utilized outdoors, where they encounter moisture and severe weather conditions. Electroplating is another prevalent surface treatment method that involves electrochemically depositing a thin layer of metal onto the steel strip's surface. This technique is often employed to enhance the steel strip's appearance, provide a decorative finish, or enhance its corrosion resistance. Phosphating is yet another surface treatment method applied to steel strips. It entails applying a phosphate coating to the steel's surface, enhancing its adhesion to paints, lubricants, or other coatings. Phosphating also improves the steel strip's corrosion resistance and wear resistance. Coating steel strips with paint or organic coatings is also a commonly used surface treatment method. This process safeguards the steel strip against corrosion, offers a decorative finish, or serves as a primer for subsequent coatings. Lastly, shot blasting is a surface treatment method that involves propelling small abrasive particles at high speeds onto the steel strip's surface. This process eliminates rust, scale, or other contaminants, preparing the steel strip for further treatment or coating. In conclusion, these surface treatment methods for steel strips aim to enhance their appearance, protect them from corrosion, improve their adhesion properties, and enhance their durability for a variety of applications.

Q: What is the thermal conductivity of a steel strip?: The thermal conductivity of a steel strip refers to its ability to conduct heat. Steel is known to have relatively high thermal conductivity compared to other materials, which means it can transfer heat more efficiently. The specific thermal conductivity of a steel strip can vary depending on factors such as the type of steel, its composition, and temperature. However, on average, the thermal conductivity of steel ranges from around 15 to 50 W/(m·K), with some variations for different types of steel. This property makes steel strips suitable for applications where efficient heat transfer is required, such as in heat exchangers, industrial machinery, and construction materials.

Q: How do steel strips respond to different forming processes?: Various factors, such as the composition and properties of the steel, the type of forming process utilized, and the desired shape and characteristics of the final product, influence the response of steel strips to different forming processes. One widely employed forming process for steel strips is cold rolling. This method involves passing the steel strip through a sequence of rollers to decrease its thickness and enhance its surface finish. Cold rolling can augment the strength and hardness of the steel, rendering it suitable for applications that demand high strength and durability. Furthermore, cold rolling can improve the dimensional accuracy and flatness of the steel strip. Another commonly employed forming process is hot rolling. In this process, the steel strip is heated above its recrystallization temperature and passed through a series of rollers. Hot rolling enhances the formability of the steel strip, enabling it to be shaped into intricate forms. Moreover, it improves the grain structure of the steel, resulting in enhanced mechanical properties. Steel strips can also undergo other forming processes, including bending, deep drawing, and stamping. Bending involves applying force to the steel strip to achieve the desired shape. Deep drawing, on the other hand, involves forming a flat steel strip into a three-dimensional shape using a die and punch. Stamping involves pressing a steel strip into a die to create intricate shapes and patterns. In conclusion, steel strips possess versatility and respond favorably to various forming processes. The specific response of a steel strip to a particular forming process relies on factors such as the steel's composition, thickness, and the parameters employed during the process. By selecting the appropriate forming process, manufacturers can achieve the desired shape, mechanical properties, and surface finish for the steel strip.

Q: How are steel strips processed for edge conditioning?: To ensure smooth, burr-free edges suitable for various applications, steel strips undergo a series of steps for edge conditioning. The typical process includes: 1. Slitting: Using a slitting machine, the steel coil is cut into narrower strips of the desired width. This step ensures the strips are the appropriate size for further processing. 2. Deburring: The edges of the steel strips may have burrs or sharp edges from the slitting process. To eliminate these imperfections, the strips are passed through a deburring machine. This machine uses abrasive belts or brushes to grind away the burrs, leaving a smooth, rounded edge. 3. Edge Rolling: After deburring, the steel strips may undergo edge rolling to refine the edge profile. This involves passing the strips through rollers that gradually shape and smooth the edges. It helps eliminate any remaining burrs, sharp corners, or irregularities, resulting in a more uniform edge. 4. Chamfering: Depending on the application, the edges of the steel strips may be chamfered to create a beveled or angled edge. Specialized chamfering machines or tools are used to cut or grind away a small portion of the edge, creating a sloping or angled surface. This chamfered edge improves handling, reduces the risk of damage, and facilitates easier insertion or joining in specific applications. 5. Final Inspection: Once the edge conditioning process is complete, the steel strips undergo a final inspection to ensure they meet the required specifications. This includes visual examination, dimensional checks, and testing for any remaining burrs or sharp edges. If any issues are found, the strips may be reworked or rejected to maintain desired quality standards. Overall, edge conditioning for steel strips involves steps such as slitting, deburring, edge rolling, chamfering, and final inspection. The aim is to produce strips with smooth, burr-free, and well-defined edges that meet the specific requirements of different industries and applications.

Q: How are steel strips used in the production of fasteners?: Steel strips are commonly used in the production of fasteners due to their durability and strength. Fasteners, such as screws, nails, bolts, and rivets, require a sturdy material that can securely hold objects together. Steel strips provide the necessary strength and resilience to withstand the pressure and tension often experienced by fasteners. In the production process, steel strips are typically cut into smaller pieces and shaped into the desired form for the specific type of fastener being manufactured. For example, screws require a threaded section for secure fastening, while nails are typically straight with a pointed end. The steel strips are then often subjected to various treatments to enhance their properties. Heat treatment, for instance, can improve the hardness and resilience of the steel, making it more resistant to deformation and wear. Coating the steel strips with materials like zinc or chromium can also enhance their corrosion resistance, which is crucial for fasteners as they are often exposed to harsh environmental conditions. Once the steel strips are properly shaped and treated, they go through a fabrication process to form the final fastener. This may involve processes such as cold forging, where the steel strip is pressed into the desired shape using extreme pressure. Cold heading, another common technique, is used to form the head of a screw or bolt. Overall, steel strips play a vital role in the production of fasteners by providing the necessary strength, durability, and versatility required for a wide range of applications. Their ability to withstand high levels of stress and resist corrosion makes steel strips an ideal material choice for fastener production, ensuring the reliability and longevity of the final product.

Q: How are steel strips processed for electrical conductivity?: Various methods can be utilized to enhance the electrical conductivity of steel strips. One commonly employed technique is known as annealing, which entails subjecting the steel strip to a specific temperature and gradually cooling it down. By doing so, any impurities and internal stresses within the steel are eliminated, leading to an improvement in its electrical conductivity. Electroplating is another method adopted for this purpose. This method involves applying a layer of a more conductive material, such as copper or silver, onto the surface of the steel strip. The strip is submerged in an electrolyte solution, through which an electric current is passed. Consequently, the conductive material is deposited onto the steel strip's surface, thereby enhancing its electrical conductivity. Moreover, surface treatments like chemical etching or mechanical polishing can be employed to eradicate any surface impurities or oxides that may hinder electrical conductivity. These processes facilitate the creation of a clean and smooth surface, enabling a better flow of electrical current through the steel strip. In summary, the enhancement of steel strips' electrical conductivity necessitates the utilization of techniques such as annealing, electroplating, and surface treatments. These methods ensure that the material is suitable for electrical applications by improving its conductivity.

Q: How are steel strips measured and classified?: Steel strips are measured and classified based on their dimensions, thickness, and mechanical properties. The measurement of steel strips typically involves three main parameters: width, thickness, and length. The width refers to the distance between the two edges of the strip, while the thickness is the distance between the top and bottom surfaces. The length, on the other hand, refers to the overall size of the strip. Steel strips are commonly classified based on their thickness. They can be categorized into thin, medium, or thick strips. Thin strips usually have a thickness of less than 3 mm, medium strips range from 3 mm to 10 mm, and thick strips have a thickness exceeding 10 mm. This classification is important as it determines the suitability of the steel strip for various applications, such as in the automotive, construction, or manufacturing industries. Moreover, steel strips can also be classified based on their mechanical properties. These properties include tensile strength, yield strength, elongation, hardness, and other relevant characteristics. These properties help determine the strength and durability of the steel strip, making it suitable for specific applications. For example, high tensile strength strips are commonly used in industries that require robust materials, while strips with good formability are preferred in industries that require complex shaping or bending. In addition to dimensions and mechanical properties, steel strips may also be classified based on their surface finish. This can include factors such as the presence of a protective coating or the level of smoothness. The surface finish is important as it impacts the appearance, corrosion resistance, and overall quality of the steel strip. Overall, the measurement and classification of steel strips involve considering dimensions, thickness, mechanical properties, and surface finish. Understanding these parameters is crucial in selecting the appropriate steel strip for a specific application, ensuring optimal performance and durability.

Q: What are the storage guidelines for steel strips?: The storage guidelines for steel strips typically include keeping them in a dry and well-ventilated area to prevent corrosion, placing them on a flat surface or racks to avoid bending or warping, and ensuring proper labeling and organization for easy identification and retrieval.

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: How do steel strips perform in noise reduction applications?: Steel strips perform well in noise reduction applications due to their high density and rigidity. They effectively absorb and dampen sound waves, reducing the transmission of noise. Additionally, their durability and resistance to corrosion make them suitable for long-term use in various noise control settings.

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