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

Standard	Width	Zinc Coating	Length
ASTM A653	600-1534mm	Z90-Z1100	Coil

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: Want to get stainless steel sink. I want quality, durability, quiet, etc. Any suggestions??: Yes, it’s a good idea to look for the best brand of stainless steel sink as it is used in various purposes regularly. Top brand of stainless steel is naturally longer lasting and capable of bearing lot of pressure then normal stainless steel sink. You must see top brands as well as their prices before buying any.

Q: Are steel coils used in the aerospace industry?: Yes, steel coils are used in the aerospace industry. They are often utilized in the manufacturing and assembly of various aircraft components such as engines, frames, and landing gears. Steel coils provide strength, durability, and resistance to high temperatures, making them suitable for aerospace applications.

Q: What are the challenges in coil leveling for coated steel?: To achieve high-quality, flat, and smooth coils, several challenges must be addressed in the process of coil leveling for coated steel. The first challenge lies in the potential damage to the coating during leveling. Coated steel coils are typically covered with materials like zinc or paint, which are susceptible to scratching or marring if mishandled. The leveling process involves passing the coil through a series of rolls, which can cause friction, abrasion, or other mechanical harm to the coating. Therefore, it is crucial to meticulously control the speed, pressure, and alignment of the rolls to minimize coating damage. The second challenge stems from the variations in thickness across the coil. Coated steel coils often exhibit thickness discrepancies due to inherent material properties or production methods. These variations can lead to uneven leveling, resulting in coils with waviness or inconsistent flatness. Achieving uniform leveling across the entire coil surface is vital to ensure consistent quality and appearance of the final product. Another challenge in coil leveling for coated steel is the possibility of shape distortion. The coating processes can introduce stresses into the steel, causing the coil to warp or distort during leveling. This distortion can lead to coils with irregular edges or uneven flatness. Proper control of leveling process parameters, such as the number of passes and applied tension, is necessary to minimize shape distortion. Furthermore, the coil leveling process can generate internal stresses in the steel, especially in cold-rolled or heat-treated coated steels. These internal stresses can result in coil spring-back, where the coil attempts to revert to its original shape after leveling. Spring-back can cause coils with undesired curvature or inconsistent flatness. Effective strategies, such as stress relief annealing or employing counteracting leveling techniques, are essential to minimize spring-back and achieve the desired flatness. Lastly, handling and storing coated steel coils pose challenges in maintaining the quality of the leveled coils. Coated steel coils are sensitive to environmental conditions, such as humidity, temperature, and exposure to corrosive substances. Proper storage and handling practices are crucial to prevent coating damage, rust, or other forms of deterioration that can occur during transportation or storage. In conclusion, the challenges in coil leveling for coated steel involve minimizing coating damage, addressing thickness variation, controlling shape distortion and spring-back, and ensuring proper handling and storage. Overcoming these challenges necessitates precise control of process parameters, the application of suitable leveling techniques, and strict adherence to quality control measures throughout the entire process.

Q: Can steel coils be recycled?: Yes, steel coils can be recycled. Steel is a highly recyclable material, and the recycling process for steel coils involves melting them down and reshaping them into new products. This helps conserve natural resources, reduce energy consumption, and minimize waste.

Q: What are the different methods of leveling steel coils?: There are several different methods of leveling steel coils, including roller leveling, stretcher leveling, and tension leveling. Roller leveling involves passing the coil through a series of rollers to flatten it. Stretcher leveling uses a hydraulic stretcher to stretch the coil in order to remove any residual stresses. Tension leveling involves applying tension to the coil while passing it through a series of rollers, which helps to eliminate any waviness or unevenness.

Q: Can steel coils be coated with anti-corrosive substances?: Yes, steel coils can be coated with anti-corrosive substances such as zinc, paint, or polymer coatings to protect them from rust and corrosion. These coatings act as a barrier between the steel surface and the surrounding environment, preventing contact with moisture and corrosive elements.

Q: What are the different methods of storing steel coils?: There are several different methods of storing steel coils, including vertical stacking, horizontal stacking, eye-to-the-sky stacking, and interlocking stacking. Each method has its own advantages and considerations based on factors such as space availability, weight distribution, and accessibility for transportation and handling. Ultimately, the choice of storage method depends on the specific requirements and constraints of the steel coil storage facility.

Q: How are steel coils used in the manufacturing of fuel systems?: Steel coils are used in the manufacturing of fuel systems as they are shaped and formed into various components, such as fuel tanks, pipes, and fittings. These coils provide strength, durability, and corrosion resistance, ensuring the fuel system's integrity and longevity.

Q: What are the factors that affect the quality of steel coils?: There are several factors that can affect the quality of steel coils. Some of the key factors include the selection and quality of raw materials used, the manufacturing processes employed, the level of expertise and skill of the workforce, the adherence to strict quality control measures, and the overall condition and maintenance of the equipment used in the production process. Additionally, external factors such as environmental conditions and transportation methods can also impact the quality of steel coils.

Q: What are the different types of steel coil edge treatments?: In the manufacturing and processing of steel coils, various steel coil edge treatments are employed. These treatments serve to improve edge quality, protect against damage, and facilitate the handling and processing of the coils. Some of the prevalent types of steel coil edge treatments are as follows: 1. Mill Edge: The steel mill provides this standard edge treatment, which is the raw edge of the steel coil generated during the hot rolling process. The mill edge is typically sharp and may exhibit some irregularities. 2. Slit Edge: Slit edge treatment involves slitting the coil to the desired width and subsequently processing the edges to eliminate any burrs or unevenness. Compared to mill edge coils, slit edge coils have smoother edges. 3. Deburred Edge: The deburring process removes any sharp or rough edges from the coil using specialized equipment or techniques, resulting in a smoother and safer edge. Deburred edges find common use in applications where safety and handling are of utmost importance. 4. Rounded Edge: Rounded edge treatment entails rounding the edges of the coil to minimize the risk of damage during handling and processing. This treatment is frequently employed in applications where the coil must be uncoiled or fed into machinery without incurring any damage. 5. Beveled Edge: Beveling involves chamfering or cutting the edges of the coil at an angle. Beveled edges are utilized in applications where easy insertion, joining, or welding of the coil is required. The beveling process also enhances the strength and durability of the edge. 6. Sheared Edge: Shearing is a cutting process that employs high-pressure blades or scissors to cut the coil to the desired width. Sheared edge treatment yields a clean and straight edge, devoid of burrs or irregularities. It is commonly employed in applications that necessitate precise dimensions and a smooth edge. These are merely a few examples of the various steel coil edge treatments commonly employed in the industry. The selection of edge treatment depends on specific application requirements, such as handling, processing, safety, and aesthetics.

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