PRE- PAINTED ALUZINC STEEL IN COIL System 1

PRE- PAINTED ALUZINC STEEL IN COIL

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 5000 m.t./month

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PRE PAINTED ALUZINC STEEL IN COIL

ALUZINC COATING:90 g/m2 (+/-10g/m2)

TOP COATING:5 MIC EPOXY+120MIC PE

BACK COATING: 5-7 MIC EPOXY

WEIGHT PER COIL:3-6 TONS COLOR:RAL9003

STANDARD:JIS G 3322 CGLCC

Package：Standard export seaworthy package:waterproof paper+steel trip packed+wooden case seaworthy package

Construction outside：workshop,agricultural,warehouse,corrugated roof,wall,etc

Inside：doo,doorcase,light steel roof structure,vent gutter,etc

Electial Appliance：refrigetator.washer,switch cabinet,etc

Furniture：central heating slice,lampshade,etc

Other ：clapboard,container, writing panel,garbage can,timekeeper,etc

Applications：conditioning, micro-wave oven, bread maker,solar water heater,condencing apparatus，Blackboard, white board,chalkboard, hidden cell blackboard,bulletin board，Central heating slice, lampshade, chifforobe, desk, bed, locker, bookshelf，garbage can, billboard, typewriter, instrument panel, weight sensor, photographic equipment,coffin, fence, Prepainted Galvanized Steel Coil

Q:What are the different types of steel coil packaging materials used during processing?: There are several types of steel coil packaging materials commonly used during processing, including but not limited to, steel strapping, plastic strapping, stretch film, shrink film, steel coil covers, and wooden crates.

Q:How are steel coils inspected for bendability?: Steel coils are inspected for bendability using a variety of methods to ensure their suitability for various applications. One common inspection method is the 3-point bend test, where the coil is subjected to a bending force at three specific points along its length. This test helps determine the coil's resistance to bending without fracturing or breaking. During the 3-point bend test, the coil is placed on a support system with two fixed points and one movable point. A force is then applied to the movable point, causing the coil to bend. The amount of force required to achieve a specific level of bending is measured and compared against acceptable standards. Another method used for inspecting steel coils is the mandrel bend test. In this test, a mandrel of a specific diameter is inserted into the coil and bent to a specified angle. The coil is then examined for any signs of cracking or deformation. This test helps determine the coil's flexibility and ability to withstand bending without damage. Visual inspection is also an important part of the inspection process. Trained inspectors visually examine the coil for any visible defects such as cracks, deformations, or irregularities. They also check for proper coil dimensions and uniformity throughout. In addition to these methods, non-destructive testing techniques like ultrasonic testing or magnetic particle inspection may be used to detect any internal defects or flaws that may affect the bendability of the coil. Overall, a combination of mechanical testing, visual inspection, and non-destructive testing methods are employed to ensure that steel coils meet the required bendability standards. These inspections help ensure the quality and reliability of the steel coils for various industries where bendability is a critical factor.

Q:How are steel coils processed for slitting or edge trimming?: Steel coils are processed for slitting or edge trimming by feeding them into a machine called a slitter. The slitter cuts the coils into narrower strips, which are then rewound onto separate spools. Edge trimming is done to remove any irregularities or imperfections from the edges of the strips, ensuring a smooth and uniform finish.

Q:What are the dimensions of steel coils used in the packaging industry?: The dimensions of steel coils used in the packaging industry can vary depending on the specific requirements and applications. However, commonly used dimensions include a coil width ranging from 25mm to 2000mm, a coil inner diameter of 508mm or 610mm, and a maximum outer diameter of around 2000mm. The thickness of the steel coil can range from 0.15mm to 4mm, depending on the intended use.

Q:How are steel coils used in the production of oil and gas equipment?: Steel coils are used in the production of oil and gas equipment primarily for their strength, durability, and corrosion resistance. These coils are utilized to manufacture various components such as pipes, valves, fittings, and storage tanks that are required in the exploration, drilling, and transportation of oil and gas.

Q:How are steel coils packaged for shipping?: Steel coils are typically packaged for shipping by placing them on wooden or steel pallets, securing them with steel bands or straps, and covering them with protective wrapping such as plastic or waterproof paper. This packaging ensures the coils remain stable, protected from corrosion, and are easy to handle and transport.

Q:Can steel coils be coated with zinc-aluminum alloy?: Yes, steel coils can be coated with a zinc-aluminum alloy through a process called hot-dip galvanizing. This coating provides enhanced corrosion resistance and improved durability to the steel coils.

Q:Can steel coils be cut?: Yes, steel coils can be cut using various methods such as shearing, sawing, or laser cutting, depending on the thickness and type of steel.

Q:How are steel coils used in the production of industrial valves?: Steel coils are used in the production of industrial valves as they provide a high-strength and durable material for constructing the valve bodies, stems, and other components. The coils are typically shaped, cut, and formed into various valve parts, which are then assembled and welded together to create the final valve product.

Q:How are steel coils stored to prevent damage?: Steel coils are typically stored in a way that prevents damage and ensures their integrity. One common method is to stack the coils in a horizontal position. This helps distribute the weight evenly across the coils, minimizing the risk of deformation or damage. In addition, wooden or steel dunnage is often placed between each layer of coils to provide support and prevent them from shifting during storage or transportation. To further protect the coils from damage, they are often stored indoors or in covered areas to shield them from exposure to the elements. This helps prevent rusting or corrosion, which can compromise the quality of the steel. If outdoor storage is necessary, the coils may be covered with weather-resistant tarps or protective coatings to minimize the impact of rain, snow, or sunlight. Furthermore, it is important to consider the stacking height to prevent excessive pressure on the lower coils. To avoid damage, coils are typically stacked in a way that ensures the weight from the upper layers is distributed evenly across the lower ones. This can include using specialized stacking equipment or racks designed to handle the weight and dimensions of the coils. Overall, proper storage of steel coils involves careful consideration of weight distribution, protection from the elements, and minimizing contact between coils to prevent damage and maintain their quality.

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