HSLAS Type B ASTM A653 Hot-Dip Steel Coil CNBM

HSLAS Type B ASTM A653 Hot-Dip Steel Coil CNBM

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t.

Supply Capability:: 3000 m.t./month

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Quick Details

Standard: ASTM
Grade: FS Type A and B
Type: Steel Coil
Surface Treatment: Galvanized
Application: Forming steel
Width: 600-1534mm
Length: Coil

Packaging & Delivery

Packaging Details:	Oscillated wound: one coil per bundle, inner is the protecting humidity-proof wax paper. Medium is plastic film. Outer is sackcloth or compound paper packing. Coil to be laid on single type pallet (one pile per pallet)
Delivery Detail:	Depends on specification and order quanity.

Specifications:

Feature:

(1) Type of zinc coating finish: regular spangle, minimized spangle and skin-pass.
(2) Types of surface qualities: as coated surface, improved surface and best quality surface.
(3) Surface treatment: chemically passivated, chromate-free passivation, phosphate, anti-finger print, phosphateand, self lubricating film, and untreated.
(4) Type of oiling: oiled and unoiled.
(5) Coil ID: 508/610mm.
(6) Grade: HX380LAD+Z; Application: high strength steel for cold forming.

Mechanical properties (transverse direction) of low carbon steels for cold forming

Surface Treatment	Hop-dipped Galvanized
AZ coating	50-275g/m2
Spangle	Normal/Min/Zero
Minimum order	25 Metric Tons
Place of Origin	Shandong, China(Mainland)
Packing	Fully Applicable for exporting seaworthy packing of horizontal type on wooden skids
Price terms	FOB Qingdao, CFR, CIF
Terms of payment	T/T, L/C or T/T and L/C
Delivery Detail	within 7-25 days after receiving pre-payment (as per the order quantity)
Coil ID	508mm/610mm
Coil Weight	4-8 tons
Supply Ability	30000MT per month
Application	Construction Structure, roofing, commercial use, household appliance, industry-use etc.

What is the application of Steel Coil?

There are two sides,one is out side: Workshop, agricultural warehouse, residential precast unit, corrugated roof, roller shutter door, rainwater drainage pipe, retailer booth;the other is inside: Door, doorcase, light steel roof structure, folding screen, elevator, stairway, vent gutter.

HSLAS Type B ASTM A653 Hot-Dip Steel Coil CNBM

Q: What are the quality control measures for steel coils?: Quality control measures for steel coils typically include various checks and inspections throughout the production process. These measures may include dimensional checks to ensure the coils meet specified thickness, width, and length requirements. Visual inspections are also conducted to identify any surface defects such as scratches, dents, or rust. Additionally, destructive and non-destructive tests like tensile strength, hardness, and ultrasonic testing are performed to assess the mechanical properties and internal quality of the steel coils. These quality control measures aim to ensure that the steel coils meet the required standards and are fit for their intended applications.

Q: Hi, I would like to know if steel is an important material in desalination plants. If it is, could you specify what type of steel is used (i.e. flat steel products, long steel products, etc). Thanks.: If stainless steels were used they would have to be high grade, high Chromium-Nickel alloyed stainless steels. The best in the range would be the Stainless Steel 316 series with superior corrosion resistance and strength. The downside to this is the expense. Carbon steel may be used but only if reinforced with a more corrosive resistant element

Q: How are steel coils inspected for coil set?: Steel coils are inspected for coil set using a variety of methods and equipment. Coil set refers to the curvature or shape of the coil, which can impact its performance and usability in various applications. One common method of inspecting steel coils for coil set is through visual inspection. Experienced operators or inspectors carefully examine the coils for any visible deformities or irregularities in their shape. This can be done by unrolling a portion of the coil and checking for any signs of buckling, twisting, or unevenness. Visual inspection is a straightforward and cost-effective way to identify obvious coil set issues. In addition to visual inspection, more advanced techniques are also used to accurately measure and quantify coil set. One such method is the use of a straight edge or a template. The straight edge is placed along the length or width of the unrolled portion of the coil, and any gaps or deviations from the straight edge indicate the presence of coil set. This method provides a more precise measurement of the extent and severity of the coil set. Another common technique is the use of specialized tools such as a non-contact laser measurement system. This system utilizes lasers to project a line on the surface of the coil and measures the distance between the line and the coil. Any variations in this distance indicate the presence of coil set. This method is highly accurate and provides detailed data about the coil's shape and curvature. Other methods may include using mechanical devices such as rollers or tensioners to unroll and measure the coil's shape. These devices apply controlled pressure to the coil to straighten it out, and any resistance or deviations encountered during the process are indications of coil set. Overall, the inspection of steel coils for coil set involves a combination of visual examination and precise measurement techniques. These methods help identify and quantify any deformities or irregularities in the coil's shape, allowing manufacturers and customers to make informed decisions about the usability and quality of the steel coils.

Q: How are steel coils handled during loading and unloading?: Steel coils are typically handled using cranes or forklifts during loading and unloading processes. They are carefully lifted and secured onto trucks or ships using special lifting attachments, and then securely fastened to prevent any movement or damage during transportation. When being unloaded, the coils are carefully lifted and placed onto a designated storage area or directly onto the production line, ensuring proper safety measures are followed to prevent accidents and maintain the integrity of the coils.

Q: What are the challenges in coil leveling for coated steel?: Coil leveling for coated steel presents several challenges due to the additional layer of coating. Firstly, the coating can be sensitive to pressure and friction, making it prone to damage during the leveling process. Maintaining the integrity of the coating while achieving the desired flatness of the steel is a delicate balance. Additionally, the thickness of the coating can vary across the coil, leading to uneven leveling results. The choice of leveling equipment and parameters must be carefully determined to minimize coating damage and ensure consistent flatness throughout the coil. Moreover, the presence of coating can impact the accuracy of leveling measurements, as it may interfere with the sensors or affect the readings. These challenges require careful attention and expertise to successfully level coated steel coils while preserving the quality of the coating.

Q: What are the different coil packaging machine configurations used for steel coils?: There are several different coil packaging machine configurations used for steel coils, each designed to cater to specific coil sizes, weights, and packaging requirements. 1. Horizontal Coil Packaging Machine: This configuration is designed for packaging smaller steel coils. The machine typically consists of a conveyor system that transports the coil horizontally through the packaging process. It may include features such as automatic coil centering, wrapping, and strapping to ensure secure and efficient packaging. 2. Vertical Coil Packaging Machine: Suitable for larger and heavier steel coils, this configuration is designed to package coils in a vertical position. It typically includes a rotating arm or turntable that allows the coil to be rotated while being wrapped and secured with strapping. Vertical machines often have a higher throughput capacity and can handle coils of varying sizes and weights. 3. Ring Coil Packaging Machine: This configuration is designed to handle large and heavy steel coils. It consists of a rotating ring structure that surrounds the coil and moves up and down while wrapping and securing the coil with stretch film or other packaging material. Ring coil packaging machines can accommodate coils of various diameters and weights, making them versatile for different coil packaging requirements. 4. Eye-to-Sky Coil Packaging Machine: This configuration is specifically designed for steel coils that need to be packaged in an eye-to-sky orientation. It typically consists of a wrapping station that rotates the coil while stretch film or other packaging material is applied. This configuration ensures proper protection and stability during transportation and storage. 5. Eye-to-Horizontal Coil Packaging Machine: This configuration is suitable for steel coils that need to be packaged in an eye-to-horizontal orientation. It typically includes a conveyor system that transports the coil horizontally while stretch film or other packaging material is applied. Eye-to-horizontal machines can handle coils of varying sizes and are designed to provide secure packaging for easy handling. Overall, the choice of coil packaging machine configuration depends on factors such as coil size, weight, packaging requirements, and production throughput. Different configurations offer unique features and capabilities to ensure efficient and secure packaging of steel coils.

Q: I know that steel is generally iron with carbon and probably some other things in it, but I'm doing a research paper on architecture in Tokyo, and touching on the Tokyo Tower.The Tokyo work is larger than the Eiffel Tower by 12 meters, but lighter by 3000 tons. The only reason I can find for the difference in weight is that the Tokyo Tower is made of steel and the Eiffel Tower in made of iron, and since the Tokyo Tower is modeled after the Eiffel, there's really not a substantial difference in the amount of metal used....: There are lightweight steel alloys that are lighter, for a given volume, than pig iron. The words iron and steel have referred to different materials at different times, and are used in different ways. A steel structure may also be lighter because steel alloys are stronger, in a given cross-section, that iron or other types of steel. For example, a 1-inch bar of chrome-vanadium steel is stronger than a 1-inch bar of 4130 mild steel or pig iron. The more you find out about it, the more complicated it is. But the answer to your question is (a) Yes, and (b) it's all relative.

Q: Steel Strings on your guitar or nylons? Why?: Kind of a silly question. I use steel strings on my steel string guitars and nylon strings on my classical guitar. It's not something you have any choice in; steel string guitars must use steel strings and classical guitar must use nylon strings.

Q: What are the different certifications required for steel coil manufacturers?: Steel coil manufacturers may be required to obtain various certifications in order to operate in the industry, ensuring that they meet specific quality and safety standards. One widely recognized certification is the ISO 9001, an international standard for quality management systems. This certification demonstrates the manufacturer's commitment to consistently meeting customer and regulatory requirements through the implementation of effective processes and procedures. Another crucial certification is the ISO 14001, which focuses on environmental management systems. By obtaining this certification, manufacturers prove their dedication to implementing sustainable practices and minimizing their environmental impact. In terms of safety, manufacturers may need certifications like the OHSAS 18001 or ISO 45001, which are standards for occupational health and safety management systems. These certifications guarantee that the manufacturer has established proper processes and controls to ensure the well-being of their employees and stakeholders. Additionally, manufacturers may require industry-specific certifications such as the American Institute of Steel Construction (AISC) certification, which is specific to structural steel fabrication and erection. This certification ensures that the manufacturer adheres to the best practices in the industry. Furthermore, manufacturers may need certifications related to specific product standards, such as the American Society for Testing and Materials (ASTM) certification. This certification guarantees that the manufacturer's products meet specific quality and performance requirements. Acquiring these certifications is crucial for steel coil manufacturers as they provide customers with confidence in the quality, environmental responsibility, and adherence to industry standards of their products.

Q: What are the common problems encountered with steel coils during production?: There are several common problems encountered with steel coils during production. One of the most common issues is coil slippage, where the coils shift or slide out of place during handling or transportation. This can result in damage to the coils or pose a safety risk to workers. Another common problem is coil rusting or corrosion. Steel coils are susceptible to rusting if they come into contact with moisture or are not properly protected. Rust can compromise the structural integrity of the coils and lead to product defects or failure. Coil breakage is also a common problem. This occurs when the coils are subjected to excessive stress or tension, causing them to crack or break. Coil breakage can result from improper handling or storage, as well as production issues such as improper rolling or cooling processes. Coil surface defects are another common issue. These defects can include scratches, dents, or uneven surfaces on the coils. Surface defects can compromise the appearance and quality of the final product, making it unsuitable for certain applications. Lastly, coil contamination is a problem that can occur during production. Contaminants such as dirt, oil, or foreign particles can adhere to the surface of the coils, leading to quality issues or difficulties in further processing. Contamination can result from improper handling, inadequate cleaning processes, or poor environmental control. To mitigate these common problems, proper handling and storage practices are essential. This includes using appropriate lifting and transporting equipment, ensuring the coils are stored in a dry and clean environment, and implementing effective rust prevention measures. Regular inspections and quality control checks can also help identify and address any issues early on, preventing further damage and ensuring the production of high-quality steel coils.

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