Prepainted Galvanized Steel Coil for Roofing Structure

Prepainted Galvanized Steel Coil for Roofing Structure System 1

Prepainted Galvanized Steel Coil for Roofing Structure

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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1. Structure of Prepainted Galvanized Steel Coil for Roofing Structure：

•Prepainted galvanized steel qualified with excellent decorative ,formability ,corrosion resistance ,coating adhesion ,can keep for a long time as well as maintain fresh color .For color coated steel sheet can obtain good economic benefit by steel belt wood ,efficient in construction and save energy ,prevent pollution etc. Which is an ideal material for manufacturing board.

2.Main Features of Prepainted Galvanized Steel Coil Good Quality：

• Smooth and flat surface

• Workability, durability

• Excellent heat resistance performance

• High strength

• Good formability

3.Prepainted Galvanized steel Coil Images

Prepainted Galvanized Steel Coil for Roofing Structure

4.Prepainted Galvanized steel Coil Specification

Standard: ASTM, GB,JIS,JIS G3302 ASTM 755 EN10169

Grade: DX51D CGCC CS

Thickness: 0.18mm~1.2mm,

Width: 600-1250mm

Coil weight:3-12 MT

5.FAQ of Prepainted Galvanized steel Coi

We have organized several common questions for our clients，may help you sincerely：

1.How do you control your quality

We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market.

2.How long we will receive the goods ？

After receiving your deposit or workable lc ,our normal shipment date is 15-20days,and it takes around 28 days to reach your port of destination. But is up to different destination

Q: What are the common methods of packaging steel coils for international shipping?: Various techniques are employed to package steel coils for international shipment in order to guarantee their safety and security during transit. One approach involves the utilization of wooden crates. Steel coils are positioned on wooden pallets and fastened with steel bands or straps. Next, wooden boards or plywood are placed over the coils and firmly attached with nails or screws to create a robust crate. This method ensures exceptional protection against damage and guarantees that the coils remain fixed in place during transportation. Another option is to employ steel frames or skids. Steel coils are positioned on specially designed steel skids or frames that can support the weight and shape of the coils. These coils are then secured to the skids or frames using steel bands or straps. This method offers a high level of stability and protection, making it particularly suitable for larger or heavier coils. In addition to wooden crates and steel frames, steel coils can also be packaged using steel containers or shipping containers. These containers are specifically designed to transport heavy or bulky items and provide a secure and protective environment for the coils. The coils are loaded into the container and secured with steel bands or straps to prevent movement during transit. Regardless of the chosen packaging method, it is crucial to ensure that the steel coils are adequately shielded from moisture, corrosion, and other potential hazards. This may involve the use of moisture-resistant materials such as plastic or wax paper, as well as the application of protective coatings or wraps. In summary, the common methods of packaging steel coils for international shipping include wooden crates, steel frames or skids, and steel containers. The selection of these methods depends on factors such as the size, weight, and specific requirements of the coils, with the ultimate goal of providing maximum protection and security during transit.

Q: How are steel coils welded together?: Steel coils can be welded together using various methods, depending on the specific requirements and the type of steel being used. One common method is the use of electric resistance welding (ERW), where an electric current is passed through the steel coils to generate heat. This heat melts the edges of the coils, and pressure is applied to join them together. ERW is a quick and cost-effective method for welding steel coils. Another method is high-frequency induction welding (HFIW), which is commonly used for thinner steel coils. In this process, an induction coil is used to generate an alternating magnetic field, which induces an electric current in the steel coils. The resistance of the coils to this electric current generates heat, causing the edges to melt and form a weld. For thicker and heavier steel coils, submerged arc welding (SAW) is often employed. This method involves the use of a granular flux and a continuous electrode, which is fed into the weld area. The flux melts, creating a protective shield for the weld pool, and the electrode melts to form the weld. SAW is a robust and efficient method for welding steel coils. Additionally, laser welding and gas metal arc welding (GMAW) can also be used to weld steel coils. Laser welding offers high precision and speed, while GMAW, also known as MIG welding, uses an electric arc between a consumable wire electrode and the steel coils to create a weld. Regardless of the welding method used, the key factors for successful welding of steel coils are proper preparation of the edges, maintaining the appropriate heat and pressure levels, and ensuring the correct welding technique is employed.

Q: How are steel coils inspected for elongation using elongation testers?: Steel coils are inspected for elongation using elongation testers by following a specific procedure. First, a representative sample is taken from the steel coil, which is then prepared for testing by cutting it into a specific size and shape. The sample is usually in the form of a flat strip. The prepared sample is then placed into the elongation tester, which consists of two clamps. One end of the sample is securely held in one clamp, while the other end is held in the other clamp. The clamps are designed to prevent any slippage during the testing process. Once the sample is properly clamped, the elongation tester applies a tensile force to the sample. This force gradually increases, causing the sample to elongate. As the sample elongates, the tester measures the change in length using a precision measuring instrument, such as a strain gauge or an extensometer. The elongation tester records the original length of the sample before the test and continuously measures the length as the force is applied. The elongation is calculated by subtracting the original length from the final length of the sample and then dividing it by the original length. This gives the percentage of elongation. The obtained elongation value is compared to the specified elongation requirements set by industry standards or customer specifications. If the elongation falls within the acceptable range, the steel coil is deemed to have passed the elongation test. If the elongation value exceeds the allowable limits, the steel coil may be rejected or undergo further investigation to determine the cause of elongation. Overall, the process of inspecting steel coils for elongation using elongation testers involves taking representative samples, clamping them securely, applying a tensile force, measuring the change in length, and calculating the percentage of elongation. This helps ensure the quality and mechanical properties of the steel coils, thereby meeting the desired standards and requirements.

Q: What are the dimensions of steel coils used in the agricultural structure industry?: The dimensions of steel coils used in the agricultural structure industry can vary depending on the specific application and requirements. However, common dimensions range from 0.5mm to 3mm in thickness and 600mm to 1500mm in width.

Q: Hi all.I'm working on a project which requires about 3 steel pipes at 25mm in diametre and about a foot each in length.The qualities I need with the steel is that:1. I need it to be easy enough to weld together2. I need to be able to drill holes through them with a basic drill (I could buy different bits, that's fine)3. I need the steel to be able to take short intense repeated bursts of strain through said holes4. The lighter the steel the better5. Could I please have a ballpark figure for price. I can't imagine such a small amount of steel would cost too muchThank you in advance for your replyRegardsSean: Sprinkler pipe or black pipe. Designed for fire suppression systems, it is often used for coping on skateboard and BMX fixtures. Not sure of the price, you could probably pick up some scrap from a plumbing supply house or a sprinkler installer. Can't imagine the cost to be more than $10

Q: ex: boat hull made out of steel: egg yolk. it really works. i know this because i built a surfing bicycle (yeah) that had steel on it.just let the steel soak in the yolk for about 3-4 hours and let it dry in a dark area. this will work.

Q: Does anyone have any idea where I could get a necklace that has the British Steel by Judas Priest logo?: Bristish Steel...ROCKS!!! Ebay is a good suggestion but if its something custom like that you could always bring in a drawing or picture to a jeweler and they can source it for you ;) I did something similar and the jeweler actually made it custom for me.... just a suggestion :) Good Luck!

Q: What are the common methods of testing the strength of steel coils?: Steel coils can be tested for strength using various methods. Tensile testing is one such method, which involves applying tension to the coil until it breaks. This test provides information about the coil's ability to withstand force and its tensile strength. It also reveals details about its yield strength and elongation properties. Another common method is hardness testing, which determines the steel's resistance to indentation or scratching. Different techniques like Rockwell, Brinell, or Vickers tests are utilized to measure hardness. This test helps determine the steel's ability to resist wear or deformation. To evaluate the coil's ductility and flexibility, bend testing is performed. The coil is bent to a specific angle and checked for any signs of cracking or fracturing. Bend testing assesses the material's capacity to withstand bending or forming procedures without failure. Additional methods of testing include impact testing, where controlled impacts are applied to assess the coil's resistance to sudden loading conditions, and fatigue testing, which involves subjecting the coil to cyclic loading to determine its endurance limit and potential for failure under repeated stress. It is important to note that the specific testing methods used may vary depending on the intended application and industry standards. Non-destructive testing techniques, such as ultrasonic testing or magnetic particle inspection, can also be employed to detect internal defects or flaws in steel coils without causing any damage.

Q: what is the refining process doing to raw materials in steel: Refining process for steel include burning out the extra carbon and impurities with oxygen lancing and protecting the steel from atmospheric gas inclusion by protective environment during such process . Measured % of ferralloys are also added to produce various grades of steel . These may be done in induction furnace/ laddle refining furnace / crucibles converters etc.

Q: How are steel coils used in the manufacturing of intake manifolds?: Steel coils are used in the manufacturing of intake manifolds as they are typically shaped and formed into specific geometries to create the necessary channels and passages for the intake air to flow through. These coils are cut, bent, and welded to form the desired shape of the intake manifold, which plays a crucial role in directing and distributing air to the engine cylinders, ultimately optimizing combustion and improving engine performance.

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