Galvanized steel sheet coil hot dipped Dx51d z100

Galvanized steel sheet coil hot dipped Dx51d z100

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 34453 m.t./month

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Coating

Z80, Z100, Z120 upto Z275
Regular Spangle, Minimized Spangle available
Bright and Matt Finish

Applications

For covers (roof), simple forming, hand and machine folding
For structures requiring simple forming
For hand and machine folding and for ordinary shaping
For ordinary deep drawing and special shaping
For extra-deep drawing and special shaping

Standard and Grade :

Hot-dip galvanized steel coils
	ASTM A653M-06a	EN10327:2004/ 10326:2004	JISG 3302-2010	AS-NZS 4534-2006
Commercial quality	CS	DX51D+Z	SGCC	G1+Z
Structure steel	SS GRADE 230	S220GD+Z	SGC340	G250+Z
	SS GRADE 255	S250GD+Z	SGC400	G330+Z
	SS GRADE 275	S280GD+Z	SGC440	G350+Z
	SS GRADE 340	S320GD+Z	SGC490	G450+Z
	SS GRADE550	S350GD+Z	SGC570	G550+Z
		S550GD+Z		G550+Z

Galvanized steel sheet coil hot dipped Dx51d z100

FAQ

Q: How do you guarantee the quality of your product?

A: Every process will be checked by responsible QC which insures every product's quality.

Q: How much is your delivery time?

A: Normally within 30 days of receipt of LC original or prepayment, but mostly according to the specific requirements or the quantity

Q: I need sample, could you support?

A: We can supply you with the sample for free, but the delivery charges will be covered by our customers. For avoiding the misunderstanding, it is appreciated if you can provide the International Express Account for Freight Collect. Also you can have a visit to us, welcome to CNBM!

Certificate:

CNBM International is highly recognized by its business partners and clients all over the world and has obtained rapid development under the spirit of win-win. We will carry on the mutual beneficial, innovative and revolutionary trading structure as we did before, create value for our employees, share holders and clients and benefit the whole society in our future development

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Q: How are steel coils inspected for surface quality?: Steel coils are inspected for surface quality through a meticulous process that involves various methods and technologies. The inspection is crucial as it ensures the coils meet the required standards and are free from any defects or imperfections. Here are the steps involved in inspecting steel coils for surface quality: 1. Visual Inspection: Initially, the coils undergo a visual inspection where trained personnel visually examine the entire surface for any visible defects such as scratches, dents, or any irregularities. This step helps identify any obvious issues that can be detected through visual observation. 2. Magnetic Particle Inspection: This non-destructive testing method involves applying a magnetic field to the steel coil's surface and then applying a magnetic particle solution. Any surface cracks or defects will cause the magnetic particles to cluster, making them visible under proper lighting. This technique is highly effective in detecting surface cracks and other surface abnormalities. 3. Eddy Current Testing: This method of inspection utilizes electromagnetic induction to identify surface defects. An eddy current probe is passed over the steel coil's surface, and any variations in the electrical current induced by the magnetic field will be detected. This technique is particularly useful for detecting surface cracks, pits, or corrosion on the coil's surface. 4. Ultrasonic Testing: Ultrasonic waves are used to inspect the steel coil's surface for any hidden defects such as subsurface cracks or inclusions. High-frequency sound waves are transmitted into the material, and any changes in the sound wave pattern that are reflected back indicate the presence of defects. Ultrasonic testing is highly reliable and can detect even the smallest defects within the steel coil. 5. Surface Roughness Measurement: The surface roughness of the steel coil is measured using specialized equipment. This measurement helps determine if the surface meets the required smoothness standards. The equipment scans the surface and provides detailed information about the roughness, enabling the inspector to ensure it falls within the acceptable range. Overall, steel coils undergo a comprehensive inspection process that combines visual examination with advanced testing methods such as magnetic particle inspection, eddy current testing, ultrasonic testing, and surface roughness measurement. These inspection techniques help identify and evaluate any potential defects or surface irregularities, ensuring that the steel coils meet the required surface quality standards.

Q: How are steel coils used in the production of steel rings?: Steel coils are used in the production of steel rings by being fed through a machine that cuts and shapes the coil into individual rings. These rings can then be further processed and manipulated to create a wide range of steel products, such as bearings, pipe fittings, or automotive components.

Q: What are the common methods of packaging steel coils for transportation?: There are several common methods of packaging steel coils for transportation. One widely used method is to use steel strapping or bands to secure the coils together. This method involves tightly wrapping the coils with steel bands and securing them with metal buckles or seals. The strapping helps to keep the coils in place and prevents them from shifting or rolling during transportation. Another common method is to use wooden pallets or skids to stack and transport the steel coils. The coils are placed on the pallets and secured with steel strapping or bands. This method provides stability and allows for easy handling and loading onto trucks or other transportation vehicles. Some steel coils are also packaged in wooden crates or boxes. These crates are typically made of strong and durable wood and are designed to protect the coils from external impacts or damage during transportation. The crates are often reinforced with steel bands or strapping to provide additional strength and stability. In addition to these methods, some steel coils are packaged in specialized containers or units. These containers are specifically designed to hold and secure steel coils for transportation. They often have built-in mechanisms or features that make loading and unloading the coils easier and safer. It is important to note that the specific method of packaging steel coils for transportation may vary depending on factors such as the size and weight of the coils, the mode of transportation, and any specific requirements or regulations in place.

Q: Nickel is ferro magnetic in nature. But when it is added with stainless steel, it makes stainless steel non-magnetic. What is the structural changes happened with the presence of nickel?: Dear Ian, Magnetism doesn't add up or average out in that manner. Ferro-magnetism requires that all the spins align. This is a complex effect and needs a subtle interaction between adjacent atoms in the lattice and their singlet electrons. The distance between the the atoms is what is important. Some stainless steels are ferromagnetic because they have the correct spacing, others are not because the spacing is wrong. This spacing is influenced by the makeup of the alloy. Hope that helps a bit:RufusCat Copyleft:RufusCat

Q: How are galvanized steel coils different from regular steel coils?: Galvanized steel coils differ from regular steel coils in terms of their protective coating. Galvanized steel coils are coated with a layer of zinc, which provides a protective barrier against corrosion and rust. This process, known as galvanization, involves dipping the steel coils into a bath of molten zinc or applying zinc onto the surface through various methods. Regular steel coils, on the other hand, do not have this protective coating, making them more susceptible to corrosion and rust. The zinc layer on galvanized steel coils not only acts as a physical barrier but also provides sacrificial protection, meaning that if the coating gets scratched or damaged, the zinc sacrifices itself to protect the underlying steel from corrosion. This makes galvanized steel coils highly durable and suitable for applications that require resistance to harsh environmental conditions, such as outdoor construction projects, automotive manufacturing, and the production of household appliances.

Q: How are steel coils used in the production of automotive exhaust systems?: Steel coils are used in the production of automotive exhaust systems as they are shaped and formed into various components such as pipes, mufflers, and catalytic converters. These coils are cut, bent, and welded to create the necessary shapes and sizes required for efficient exhaust flow and noise reduction. Additionally, the strength and durability of steel make it an ideal material for withstanding high temperatures and harsh conditions that exhaust systems endure.

Q: How are steel coils loaded and unloaded from ships?: Steel coils are typically loaded and unloaded from ships using specialized equipment such as cranes or forklifts. During the loading process, the coils are carefully lifted and secured onto the ship's deck or into designated storage areas using slings or clamps. To ensure stability and prevent damage, proper balancing and securing techniques are employed. Unloading follows a similar procedure, with the coils being carefully lifted from the ship using the appropriate equipment and then transferred to trucks or storage facilities for further transportation or distribution.

Q: What are the different methods of edge wave correction for steel coils?: There are several methods commonly used to correct edge waves in steel coils. These methods aim to eliminate or minimize the occurrence of edge waves, which are deformations that can occur along the edges of steel coils during processing or handling. One of the most common methods is called edge wave flattening. This technique involves using hydraulic or mechanical devices to apply pressure to the edges of the coil, effectively flattening out any waves or deformations. This can be done during the coil processing stage or as a separate step after the coil has been produced. Another method is known as edge trimming. In this approach, the edges of the coil are trimmed or cut to remove any waves or deformations. This can be done through mechanical shearing or using laser cutting technology. Edge trimming not only corrects the edge waves but also ensures that the coil has straight and smooth edges. Additionally, tension leveling is another popular method for edge wave correction. This technique involves subjecting the coil to tension forces, which helps to stretch and flatten out any waves or deformations. Tension leveling is typically done during the processing stage and is effective in correcting both edge waves and other surface defects. Moreover, roll leveling can be employed to correct edge waves in steel coils. This method utilizes a set of rolls to apply pressure to the coil, gradually flattening out any waves or deformations. Roll leveling is a versatile technique that can be used for various types of coil defects, including edge waves. Lastly, technology advancements have led to the development of automated edge wave correction systems. These systems utilize sensors and computer algorithms to detect and correct edge waves in real-time during the coil processing stage. This method ensures precise and consistent correction, minimizing the need for manual intervention and improving overall efficiency. Overall, the different methods of edge wave correction for steel coils include edge wave flattening, edge trimming, tension leveling, roll leveling, and automated correction systems. Each method has its own advantages and can be chosen based on the specific requirements and constraints of the coil processing operation.

Q: What are the applications of steel coils in automotive manufacturing?: Steel coils have a wide range of applications in automotive manufacturing due to their unique properties and characteristics. They are commonly used in various parts and components of vehicles, offering numerous benefits and contributing to the overall performance, safety, and reliability of automobiles. One of the primary applications of steel coils in automotive manufacturing is in the production of body panels. Steel coils are used to create the outer body structure of vehicles, including doors, hoods, fenders, and roofs. The high strength and durability of steel make it an ideal material for these components, as it provides protection against impacts and enhances the overall structural integrity of the vehicle. Steel coils are also used in the manufacturing of automotive chassis and frames. The strong and rigid nature of steel makes it an excellent choice for these critical components, as it can withstand heavy loads and provide stability to the vehicle. Steel coils ensure that the chassis and frames have the necessary strength and stiffness to support the weight of the vehicle and withstand the forces experienced during driving. Moreover, steel coils are utilized in the production of various suspension and steering components, such as springs, stabilizer bars, and control arms. These components require high strength and resistance to fatigue, as they are subjected to constant stress and vibrations. Steel coils provide the necessary toughness and flexibility to these parts, ensuring smooth and controlled vehicle handling. In addition, steel coils are used in the manufacturing of engine parts and exhaust systems. The high-temperature resistance and corrosion resistance of steel make it an ideal material for these applications. Steel coils are formed into various shapes, such as tubes and pipes, and used to create exhaust manifolds, catalytic converters, and mufflers. They play a crucial role in improving the performance and efficiency of the engine, as well as reducing harmful emissions. Overall, steel coils are vital in automotive manufacturing due to their strength, durability, and versatility. They are used in the production of body panels, chassis, suspension components, engine parts, and exhaust systems. The use of steel coils in these applications ensures that vehicles are safe, reliable, and perform optimally, making them an indispensable material in the automotive industry.

Q: How do steel coils perform in high-temperature applications?: Steel coils perform well in high-temperature applications due to their excellent heat resistance and structural stability. The high melting point of steel allows it to maintain its strength and shape even at elevated temperatures, making it suitable for various industries such as automotive, construction, and manufacturing. Additionally, steel coils can withstand thermal expansion and contraction without warping or deforming, ensuring reliable performance and durability in extreme heat conditions.

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