Galvanized Steel Coil ASTM A653 CNBM System 1

Galvanized Steel Coil ASTM A653 CNBM

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Loading Port:: Guangzhou

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t.

Supply Capability:: 3000 m.t./month

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Quick Details

Standard: GB
Grade: HX380LAD+Z
Place of Origin: Tianjin, China (Mainland)
Type: Steel Coil
Surface Treatment: Galvanized
Application: High strength steel for cold forming
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:

(1) Regular spangle, minimized spangle and skin-pass.
(2) Chromate and Chromate-free passivation.
(3) Oiled and unoiled.

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.

Chemical Composition

Zinc Coating

Tensile Test Characteristics

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.

Galvanized Steel Coil ASTM A653 CNBM

Q: What is the role of steel coils in the oil and gas industry?: The oil and gas industry heavily relies on steel coils, which have a crucial role to play. These coils are primarily utilized for the transportation and storage of oil and gas products. Typically, they are crafted from high-quality steel and designed to endure the harsh conditions encountered during the extraction, processing, and distribution of oil and gas. One of the key functions of steel coils in this industry is to serve as containers for transportation purposes. Oil and gas are frequently transported over long distances, either through pipelines or tankers. Steel coils are used in the construction of these pipelines and storage tanks, providing a robust and secure means of transporting these valuable resources. The strength of steel ensures that the pipelines and storage facilities can withstand the pressure and temperature fluctuations that occur during transportation. Steel coils also play an essential role in the production of drilling equipment. The drilling process involves extracting oil and gas from deep underground reservoirs. Steel coils are employed in the manufacturing of various components of drilling rigs, including pipes, casings, and wellheads. These components must be capable of withstanding the high pressures and temperatures encountered during drilling operations. Steel coils offer the necessary strength and durability to ensure the reliability and safety of drilling equipment. Additionally, steel coils are utilized in the construction of offshore platforms, which are bases for drilling operations in offshore oilfields. The severe marine environment, characterized by saltwater exposure and strong winds, demands materials that can resist corrosion and provide structural integrity. Steel coils are used to fabricate the structural components of these offshore platforms, ensuring their ability to withstand the challenging offshore conditions. In conclusion, steel coils are indispensable in the oil and gas industry. They are employed for the transportation and storage of oil and gas products, the construction of pipelines and storage tanks, the manufacturing of drilling equipment, and the fabrication of offshore platforms. The strength, durability, and resistance to harsh conditions make steel coils an essential material in this industry.

Q: What are the challenges in coil slitting for narrow strip widths?: Coil slitting for narrow strip widths presents a number of challenges. One key challenge is the need to maintain precision and accuracy throughout the slitting process. Even the smallest misalignment or deviation can result in significant defects or inconsistencies in the final product. Therefore, it is important to calibrate and adjust the slitting equipment carefully to ensure accurate cuts. Another challenge is the risk of material damage or deformation during slitting. Narrow strip widths are more susceptible to distortion, wrinkling, or edge cracking, especially if the material is not handled or supported properly. To minimize potential damage, it is necessary to feed the material smoothly through the slitting machine and control the tension effectively. In addition, handling and transporting slit coils can be challenging due to their narrow width. These coils are prone to bending, twisting, or telescoping, which can cause difficulties in stacking, storage, or transportation. To maintain the shape and integrity of the coils, proper packaging and handling techniques must be employed throughout the supply chain. Furthermore, narrow strip widths often require more frequent blade changes during slitting. This adds complexity and time to the setup and maintenance process, as the blades need to be carefully selected and replaced for optimal cutting results. Skilled technicians are crucial for efficiently and effectively handling these blade changes. Overall, while coil slitting for narrow strip widths offers cost savings and increased material utilization, it also comes with challenges that need to be addressed. These challenges include maintaining accuracy, preventing material damage, ensuring proper handling and transportation, and managing blade changes effectively. By understanding and addressing these challenges, manufacturers can optimize their coil slitting operations and produce high-quality narrow strip products.

Q: What are the different methods of tension leveling for steel coils?: There are several methods of tension leveling for steel coils, including roller leveling, stretcher leveling, and temper leveling. In roller leveling, the coil passes through a series of rollers that apply pressure to remove the internal stresses and flatten the material. Stretcher leveling involves stretching the coil beyond its yield point to remove the unevenness and then allowing it to spring back to a flat state. Temper leveling uses heat treatment to relieve the internal stresses and bring the coil to a flat condition. These methods provide different ways to achieve a level and flat surface for steel coils.

Q: How are steel coils used in the manufacturing of fasteners?: Steel coils are used in the manufacturing of fasteners by being processed and shaped into various forms, such as screws, bolts, and nails. The coils are fed into machines that cut, shape, and thread the steel to create the desired fastener. This process allows for efficient mass production and ensures the strength and durability of the fasteners.

Q: I'm not really sure if carbon steel is considered a metallic material.: Steel with a lower to medium level of carbon will typically be reserved for metal sheeting for use in construction, due to its increased hardness and malleability.

Q: How do steel coils contribute to the HVACR equipment industry?: Steel coils play a crucial role in the HVACR (Heating, Ventilation, Air Conditioning, and Refrigeration) equipment industry by providing efficient heat transfer and ensuring the effective functioning of various HVACR systems. These coils are typically made of high-quality steel and are an integral component of equipment such as air conditioners, heat pumps, refrigerators, and boilers. One of the primary functions of steel coils in HVACR equipment is to facilitate heat transfer. These coils are designed to efficiently transfer heat between the refrigerant and the surrounding air or water, depending on the specific system. By utilizing steel coils with a large surface area and good thermal conductivity, HVACR equipment can effectively cool or heat a given space. This ensures optimal energy efficiency and reduces operating costs for both residential and commercial applications. In addition to heat transfer, steel coils also contribute to the overall durability and longevity of HVACR equipment. The steel used in these coils is typically corrosion-resistant, which helps prevent damage from moisture or other environmental factors. This reliability is essential in HVACR systems, as they are often subjected to harsh conditions and must operate continuously to maintain comfortable indoor environments. Moreover, steel coils are versatile and can be customized to meet the specific requirements of different HVACR applications. Manufacturers can vary the size, shape, and configuration of the coils to fit the available space and optimize performance. This flexibility allows for the efficient integration of steel coils into various HVACR equipment, ensuring they meet the specific heating and cooling needs of different environments. Overall, steel coils are indispensable in the HVACR equipment industry. They enable efficient heat transfer, enhance durability, and offer customization options, thereby ensuring the effective functioning and energy efficiency of HVACR systems. By incorporating high-quality steel coils into their products, manufacturers can provide reliable and long-lasting solutions for heating, ventilation, air conditioning, and refrigeration needs in both residential and commercial settings.

Q: How are steel coils inspected for quality assurance?: Steel coils are inspected for quality assurance through a combination of visual inspections, measurements, and non-destructive testing techniques. These inspections typically involve checking for surface defects, such as cracks, scratches, or corrosion, as well as ensuring the dimensions and weight of the coils meet the required specifications. Non-destructive testing methods, such as ultrasonic or magnetic particle testing, are also used to detect any internal defects that may not be visible to the naked eye. Overall, these comprehensive inspections help ensure that steel coils meet the desired quality standards.

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Q: How are steel coils tested for tensile strength?: Steel coils are typically tested for tensile strength using a method called tensile testing. This involves subjecting a sample of the steel coil to a controlled pulling force until it breaks. The force required to break the sample is then measured, providing an accurate measure of the steel's tensile strength.

Q: What are the different methods of forming steel coils into sheets?: There are several methods of forming steel coils into sheets, each with its own advantages and applications. 1. Hot rolling: This is the most common method used to form steel coils into sheets. In this process, the steel is heated above its recrystallization temperature and then passed through a series of rollers. The rollers apply pressure to the heated steel, reducing its thickness and elongating it into a sheet. Hot rolling produces sheets with a smooth surface finish and is suitable for a wide range of applications. 2. Cold rolling: This method involves passing the steel coil through rollers at room temperature. Unlike hot rolling, cold rolling does not require heating the steel. The cold rolling process results in sheets with a higher dimensional accuracy and a smoother surface finish. Cold-rolled sheets are often used in applications where precise dimensions and a polished appearance are required, such as automotive body panels and appliances. 3. Annealing and pickling: This method involves subjecting the steel coil to a heat treatment process called annealing, followed by pickling. Annealing involves heating the steel to a specific temperature and then slowly cooling it, which helps to relieve stress and improve the material's mechanical properties. Pickling is the process of removing impurities and scale from the steel surface. These steps are typically performed before hot or cold rolling to ensure a high-quality end product. 4. Galvanizing: Galvanizing is a process that involves coating steel sheets with a layer of zinc to provide corrosion resistance. The steel coil is first cleaned and then immersed in a bath of molten zinc. The zinc adheres to the surface of the steel, forming a protective layer that prevents rust and corrosion. Galvanized sheets are commonly used in construction, automotive manufacturing, and electrical appliances. 5. Electro-galvanizing: This method is similar to galvanizing, but instead of immersing the steel coil in a bath of molten zinc, an electric current is used to deposit zinc onto the surface of the steel. Electro-galvanizing offers similar corrosion resistance to traditional galvanizing but with a thinner coating. It is often used in applications where a thinner, more lightweight sheet is desired. In summary, the different methods of forming steel coils into sheets include hot rolling, cold rolling, annealing and pickling, galvanizing, and electro-galvanizing. Each method has its own advantages and is suitable for different applications based on the required surface finish, dimensional accuracy, and corrosion resistance.

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