Galvanized Steel Sheet in Ciols with Prime Quality Best Seller

Galvanized Steel Sheet in Ciols with Prime Quality Best Seller System 1

Galvanized Steel Sheet in Ciols with Prime Quality Best Seller

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 5000 m.t./month

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1.Structure of Galvalume/Galvanized Steel Coil 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.

2.Main Features of the Galvalume/Galvanized Steel Coil：

• Base material for countless outdoor and industrial applications

• High corrosion resistance

• High strength

• Good formability

• Rust- proof ability

• Good visual effect

3.Galvanized /Galvalume Steel Coil Images

Galvanized Steel Sheet in Ciols with Prime Quality Best Seller

4.Galvanized /Galvalume Steel Coil Specification

Operate Standard: ASTM A653M-04/JIS G3302/DIN EN10143/GBT 2518-2008

Grade : SGCD,SGCH, Q195,DX51D

Zinc coating :40-180g( as required)

Width:914-1250mm(914mm, 1215mm,1250mm,1000mm the most common)

Coil id:508mm/610mm

Coil weight: 4-10 MT(as required)

Surface: regular/mini/zero spangle, chromated, skin pass, dry etc.

Galvanized Steel Sheet in Ciols with Prime Quality Best Seller

5.FAQ of Galvanized/Galvalume Steel Coil

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

1.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.

2. What is the minimum order quantity ?

Our MOQ is 50mt for each size. And we will consider to give more discount if you make big order like 1000 tons and more. Further more, the more appropriate payment term your offer the better price we can provide.

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 15-25 days, but the shipment will depend on the vessel situation.

Q: Measures to prevent cold rolling of packaged cold rolled steel coils? Who can give some professional opinions oh?: In order to prevent rusting in the process of storage or transportation of steel roll, steel mills generally take the following packing: inner gas antirust paper wrapped with tape wrapped in plastic film sealing, intermediate, involute cardboard seal lining, cardboard corner, with iron and steel outer package corner protector, strapping fixed. If the inner package seal, so the steel coil is sank into the water, will not rust out.

Q: What are the environmental considerations associated with steel coil production?: The environmental considerations associated with steel coil production include the extraction of raw materials, such as iron ore and coal, which can lead to habitat destruction and air/water pollution. The manufacturing process involves energy-intensive operations and emissions of greenhouse gases, contributing to climate change. Waste generated during production, such as slag and dust, can also have negative impacts on the environment if not properly managed. Additionally, the transportation of steel coils over long distances can result in carbon emissions and increase the overall environmental footprint of the product.

Q: How are steel coils inspected for weldability using welding tests?: Steel coils can be inspected for weldability using a variety of welding tests. One common method is the bend test, where a section of the coil is cut and bent to evaluate the quality of the weld. This test helps determine if the weld is brittle or contains any defects that could compromise its integrity. Additionally, the guided bend test is performed to assess the ability of the weld to withstand bending without cracking or breaking. Another technique used is the macro etch test, where a sample is prepared by cutting a cross-section of the coil and then etching it with a chemical solution. This test helps reveal any imperfections or inconsistencies in the weld, such as porosity, slag inclusions, or lack of fusion. Furthermore, the hardness test is conducted to measure the hardness of the weld. This is important as excessive hardness can lead to cracking or brittleness, while insufficient hardness may result in weld failure under certain conditions. Additionally, non-destructive testing methods like ultrasonic testing, magnetic particle inspection, or radiographic examination can also be employed to detect any internal defects, such as cracks or voids, in the steel coil welds without damaging the material. These welding tests are crucial in ensuring the quality and weldability of steel coils before they are used in various applications. By conducting thorough inspections, any potential issues can be identified and addressed, ensuring that the steel coils meet the required standards for weldability and structural integrity.

Q: What are the common methods of recoiling steel coils?: Manufacturers and customers have various options when it comes to recoiling steel coils. One frequently used method is slitting, which employs rotating circular blades to cut a wide steel coil into narrower strips. This results in multiple smaller coils with desired widths. Slitting is commonly employed to create coils of different sizes for diverse applications. Another technique is known as cut-to-length (CTL) recoiling, where the steel coil is cut into specific lengths according to the customer's requirements. This involves passing the coil through a straightening and leveling machine, followed by a flying shear that cuts the steel into the desired lengths. CTL recoiling is particularly useful in industries that demand precise and uniform steel lengths, such as construction or automotive. Furthermore, there is a method called coil-to-coil recoiling. This process involves rewinding the steel coil onto a new coil with the desired dimensions and properties. Coil-to-coil recoiling is typically utilized when the original coil needs resizing, reconditioning, or rerolling for further processing or transportation purposes. Specialized recoiling machines ensure proper tension, alignment, and winding of the steel coil onto the new coil. In conclusion, the recoiling of steel coils can be accomplished through various methods, including slitting, cut-to-length recoiling, and coil-to-coil recoiling. Each method offers its own advantages and is chosen based on factors such as required coil dimensions, precision, efficiency, and the specific needs of the industry or customer.

Q: What are the common quality issues with steel coils?: Some common quality issues with steel coils include: 1. Surface defects: Steel coils may have surface defects such as scratches, pits, or rust spots. These defects can affect the appearance and smoothness of the final product and may also impact its performance. 2. Dimensional variations: Steel coils may exhibit dimensional variations, such as thickness variations, width variations, or length variations. These variations can lead to difficulties in processing the steel and may result in inconsistent product dimensions. 3. Mechanical properties: Steel coils may have variations in mechanical properties such as yield strength, tensile strength, or hardness. These variations can affect the strength and durability of the final product and may also impact its suitability for specific applications. 4. Coating issues: Steel coils that are coated or galvanized may experience issues with the coating, such as uneven coverage, peeling, or adhesion problems. These coating issues can result in reduced corrosion resistance and compromised aesthetics. 5. Internal defects: Steel coils may have internal defects such as inclusions, voids, or segregations. These defects can weaken the steel and may lead to failure or breakage during processing or use. 6. Edge issues: Steel coils may have edge defects, such as burrs, cracks, or uneven edges. These edge issues can affect the handling and processing of the steel and may also lead to problems during fabrication or assembly. 7. Coil set or camber: Steel coils may exhibit coil set or camber, which refers to the curvature or bowing of the coil. This can result in difficulties during processing and may lead to distorted or misaligned products. To ensure the quality of steel coils, manufacturers employ various quality control measures such as rigorous inspection, testing, and adherence to industry standards and specifications.

Q: would you consider steel a flexible substance...i am debating this with my coworkers.Thanks,: Steel is a flexible material. It can be deformed and return to it's original shape up while the stress applied is still in the elastic range. How flexible depends on size, shape, and alloy. Some alloys are more flexible than others and a lot of this is controlled by carbon content.

Q: As we all know Shaq killed the movie Steel by suckin so bad but does anyone know what happened to the comic book version.: The comic book has been long cancelled. You can see Steel in the ongoing 52 miniseries.

Q: I need to know what steel's weakness is.: Steel is weak to fire, fighting, and ground. Electric and water are neutral damage; everything else is resisted - assuming you're fighting a pure steel type.

Q: How do steel coils contribute to strength and durability in manufacturing?: Steel coils contribute to strength and durability in manufacturing in several ways. Firstly, steel is an inherently strong material due to its high tensile strength, which allows it to withstand heavy loads and resist deformation. When steel is coiled, it undergoes a process called hot rolling or cold rolling, which further enhances its strength and durability. During hot rolling, the steel is heated to high temperatures and then passed through a series of rollers, which compress and shape it into a coil. This process aligns the grain structure of the steel, making it more uniform and reducing internal stresses. The result is a stronger and more resilient material that can withstand the rigors of manufacturing processes such as bending, stamping, and forming without losing its structural integrity. Cold rolling, on the other hand, involves passing the steel through rollers at room temperature. This process not only increases the strength and hardness of the steel but also improves its surface finish. Cold-rolled steel coils are known for their smooth and uniform appearance, making them ideal for applications where aesthetics are important. Furthermore, steel coils can be coated with various protective layers to enhance their durability. These coatings, such as zinc or polymer-based coatings, act as barriers against corrosion, moisture, and other environmental factors that can weaken the steel. By preventing rust and degradation, these coatings extend the lifespan of steel coils and the products they are used in, making them more durable and cost-effective in the long run. In summary, steel coils contribute to strength and durability in manufacturing by providing a strong and resilient material that can withstand heavy loads and resist deformation. The hot rolling and cold rolling processes further enhance the strength and uniformity of the steel, while protective coatings help to prevent corrosion and extend the lifespan of the coils. Overall, steel coils are essential components in manufacturing that contribute to the strength and durability of a wide range of products.

Q: What are the common sizes of steel coils?: The common sizes of steel coils vary depending on the specific application and industry. However, some standard sizes for steel coils include widths ranging from 0.5 inches to 72 inches, and thicknesses ranging from 0.010 inches to 0.250 inches. These sizes can be customized to meet the specific requirements of different industries such as automotive, construction, or manufacturing.

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