Hot Dip Galvanized Steel Coil with High Quality

Hot Dip Galvanized Steel Coil with High Quality System 1

Hot Dip Galvanized Steel Coil with High Quality System 2

Hot Dip Galvanized Steel Coil with High Quality System 3

Hot Dip Galvanized Steel Coil with High Quality

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Loading Port:: Shanghai

Payment Terms:: TT or LC

Min Order Qty:: 50 m.t.

Supply Capability:: 8000 m.t./month

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Hot-dip Zinc Coating Steel Building Roof Walls
1.Structure of Hot-Dip Galvanized Steel Sheet Description：

Hot-dip galvanized steel coils are available with a pure zinc coating through the hot-dip galvanizing process. It offers the economy, strength and formability of steel combined with the corrosion resistance of zinc.

2.Main Features of the Hot-Dip Galvanized Steel Sheet：

• Workability, durability

• Excellent anticorrosive property

• High strength

• Good formability

• Good visual effect

3.Hot-Dip Galvanized Steel Sheet Images

Hot Dip Galvanized Steel Coil with High Quality

4.Hot-Dip Galvanized Steel Sheet Specification

Technology test results:

Processability	Yield strength	Elongation %	Elongation %	180°cold-bending
Common PV	-	270-500	-	d=0,intact,no zinc removal
Mechanical interlocking JY	-	270-500	-	d=0,intact,no zinc removal
Structure JG	>=240	>=370	>=18	d=0,intact,no zinc removal
Deep drawn SC	-	270-380	>=30	d=0,intact,no zinc removal
EDDQ SC	-	270-380	>=30	d=0,intact,no zinc removal

5.FAQ of Hot-Dip Galvanized Steel Sheet

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

1.How about your company？

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

Q:How are steel coils inspected for weldability using welding tests?: Steel coils can be inspected for weldability using a variety of welding tests. One common method is the bend test, where a section of the coil is cut and bent to evaluate the quality of the weld. This test helps determine if the weld is brittle or contains any defects that could compromise its integrity. Additionally, the guided bend test is performed to assess the ability of the weld to withstand bending without cracking or breaking. Another technique used is the macro etch test, where a sample is prepared by cutting a cross-section of the coil and then etching it with a chemical solution. This test helps reveal any imperfections or inconsistencies in the weld, such as porosity, slag inclusions, or lack of fusion. Furthermore, the hardness test is conducted to measure the hardness of the weld. This is important as excessive hardness can lead to cracking or brittleness, while insufficient hardness may result in weld failure under certain conditions. Additionally, non-destructive testing methods like ultrasonic testing, magnetic particle inspection, or radiographic examination can also be employed to detect any internal defects, such as cracks or voids, in the steel coil welds without damaging the material. These welding tests are crucial in ensuring the quality and weldability of steel coils before they are used in various applications. By conducting thorough inspections, any potential issues can be identified and addressed, ensuring that the steel coils meet the required standards for weldability and structural integrity.

Q:Can anyone tell me what that means. I have seen it on knife blades an such. I am assuming it's a formula for the strength of the metal. who does that scale work, and please keep it simple.: The number just indicates which class of steel alloy it belongs. Yours happens to be a 400 series and happens to have no Nickel in it (440 Steel) and a higher amount of carbon (Nickel is very common in steel) When I say alloy, I'm referring to the different chemical formulas and processing of steel which vary for different uses like industrial use, medical use or decorative use. Think of the different alloys like the types of soft drinks out there. Coke, Pepsi and Dr. Pepper. They all have very similar chemical formulas; yet differ with their secret ingredients which is apparent in the taste.

Q:How are steel coils inspected for flatness using optical sensors?: The process of inspecting the flatness of steel coils involves the use of optical sensors, which are part of a system known as optical flatness measurement. This system employs high-resolution cameras to capture images of the steel surface as it passes through the inspection line. To begin, the steel coil is unwound and conveyed over a roller table. While in motion, the optical sensors are positioned above the coil to capture images at regular intervals. These sensors are typically a combination of laser line projectors and high-resolution cameras. The laser line projectors emit a thin, straight line of laser light across the width of the steel coil. This laser line serves as a reference plane for measuring the flatness of the steel surface. Subsequently, the high-resolution cameras capture images of the laser line interacting with the steel coil. The captured images are then subjected to analysis using advanced image processing algorithms. These algorithms examine the deformation of the laser line on the steel surface and calculate the deviations from the flat reference plane. These deviations indicate any irregularities or variations in the flatness of the steel coil. The optical sensors possess the capability to accurately detect even the most minute deviations in flatness, measuring them in micrometers or smaller units. This enables manufacturers to identify and correct any flatness issues in the steel coils before further processing or shipment. In addition to measuring flatness, optical sensors can also identify other surface defects such as waviness, scratches, or dents. By incorporating multiple cameras and laser line projectors from different angles, a comprehensive inspection of the steel coil's surface can be achieved. Overall, the utilization of optical sensors for inspecting steel coil flatness offers a swift, precise, and non-contact method. By identifying and addressing any flatness issues early in the production process, manufacturers can guarantee the delivery of top-quality steel products to their customers.

Q:I bought a stainless steel mood ring two days ago, but would it rust?Thanks in advance!: Stainless steel can rust if placed in contact with some chemicals lik hypoclorite, bleach, or salt water. It depends on the type of stainless steel because there is not just a single stainless steel but a family of steel with different properties and corrosion resistance.

Q:How are steel coils used in the manufacturing of industrial equipment?: Due to their versatility and strength, steel coils find common application in the manufacturing of industrial equipment. Typically crafted from high-quality steel, these coils are shaped into a coiled form for convenient transportation and storage purposes. One of the primary purposes of steel coils in the manufacturing of industrial equipment is the creation of structural components. Often, these coils are cut, shaped, and welded to produce various parts and structures that offer support and stability to the equipment. For instance, frames, beams, and brackets, which serve as the backbone of heavy machinery, can be constructed using steel coils. Moreover, steel coils are utilized in the production of mechanical components like gears, shafts, and bearings. These components necessitate high strength and durability to withstand the demanding loads and harsh conditions encountered in industrial settings. By employing steel coils, manufacturers can ensure that these parts possess the requisite strength and resilience for reliable performance. Additionally, steel coils are incorporated into the manufacturing of equipment surfaces that require corrosion resistance or aesthetic appeal. Steel with specific coatings or finishes can be rolled into coils to create sheets or plates, which are employed in constructing outer casings, panels, or covers for industrial equipment. These coatings not only protect the equipment from environmental factors but also enhance its visual appeal. Furthermore, steel coils can be transformed into pipes and tubes, which are essential components in numerous industrial applications. These pipes serve the purpose of transporting various fluids, gases, or materials within the equipment. The strength and structural integrity of steel coils guarantee that the pipes can endure high pressure, temperature, and mechanical stress, rendering them suitable for demanding industrial environments. In summary, steel coils occupy a vital role in the manufacturing of industrial equipment. They are utilized in fabricating structural components, mechanical parts, surface finishes, and pipes. The versatility, strength, and durability exhibited by steel coils make them the preferred choice in the industrial equipment manufacturing industry.

Q:If steel content is too cheap, what content should I be looking for? I don't think I could find something like a VG-10 here...: I okorder /

Q:How are steel coils inspected for paint adhesion using adhesion testers?: Paint adhesion on steel coils is systematically and rigorously inspected using adhesion testers. These testers are specifically designed devices for assessing the bond strength between the paint and the underlying steel surface. To begin the inspection process, representative samples are selected from the steel coils. These samples are typically cut into smaller sections to ensure they are free from defects or surface irregularities that could impact the adhesion test results. Once the samples are prepared, the adhesion testers are utilized to measure the force needed to detach the paint coating from the steel surface. The most commonly used adhesion tester is the cross-cut adhesion tester. It consists of a set of blades arranged in a grid pattern, which are employed to create cuts through the paint coating, forming a grid of squares or rectangles down to the steel surface. After the cuts are made, a specialized tape is applied to the grid area and pressed firmly onto the surface. The tape is then rapidly pulled off at a 90-degree angle to the surface, and the force required for the paint coating's removal from the steel is measured and recorded. The results of the adhesion test are evaluated based on predetermined standards or specifications. These standards typically define the minimum acceptable adhesion strength for the specific application or industry. If the measured adhesion strength falls below the specified threshold, it indicates poor paint adhesion, which could result in issues like paint delamination or corrosion. Along with the cross-cut adhesion tester, other adhesion testing methods may also be utilized, such as the pull-off adhesion tester. This method involves a hydraulic or mechanical device applying a tensile force to a small circular or dolly-shaped test area. The force required to pull off the dolly is measured and used to assess the paint adhesion. In summary, the use of adhesion testers ensures a thorough inspection of paint adhesion on steel coils. This process helps in early identification of potential adhesion issues, enabling appropriate remedial measures to be taken to ensure the durability and performance of the paint coating.

Q:What are the dimensions of steel coils used in the household appliance industry?: The dimensions of steel coils used in the household appliance industry can vary depending on the specific application and requirements. However, standard dimensions for steel coils commonly used in this industry range from 0.4mm to 3mm in thickness and 600mm to 1500mm in width. The length of the coils can also vary, typically ranging from a few hundred meters to several kilometers. These dimensions ensure that the steel coils are suitable for various household appliance manufacturing processes, such as forming, stamping, and welding. It is important to note that these dimensions are not fixed and can be customized based on the specific needs of the appliance manufacturer.

Q:hello guys. im totally new to this metalwork things. i need to do it for my project. i need to join stainless steel wires to build some kind of structure (eiffel tow. for example).i already have the wire and the torch. now the question is: where do i get silver solder? is it expensive? and what is flux for? is it necessary? what does it do? is it expensive?thank u for ur time guys! :): Silver Solder is more expensive than lead/tin solder as it contains silver. It also melts at a much higher temperature. You require special Flux designed for stainless steel and silver solder. Cost of Silver Solder and Flux will depend on the quality, quantity, and where you are located. Prices vary from area to area especially country to country. Instructions: 1: Clean all surfaces to be soldered with solvent and a wire brush to remove all grease, corrosion or dirt. 2: Apply a coating of flux to the stainless steel parts you are connecting. If you are soldering brass or copper parts to the stainless steel, tin them first by heating them and applying a thin coat of solder to the area that connects to the stainless steel. 3: Hold your parts together with wire or clamps. Make sure the surfaces fit flush. Silver solder will not fill gaps. 4: Heat the parts with a torch until the solder flows onto the joint. When the parts are hot enough, the solder will instantly turn to liquid when it touches the metals, then it will flow into the joint. If it does not do this, keep heating the metal until it does, but do not heat the solder directly. Only allow the hot metal to melt the solder. 5: Remove the torch and solder as soon as a sufficient amount of solder melts onto the joint. You don't need much, and a glob can look ugly. 6: Allow the metal to cool before touching or cleaning it. You can dunk it in water to cool it faster.

Q:my step father bought a big steel drum grill it has steel sheets (very thin) that go inbetween the flame and the food (closer to the flame) with that there the food will not cook, it does not get hot enough????? please help... what should we do: that steel plate there is to try to keep the grease dripping of the food from making the grill flame up and burning the food. most all quality grills have something similar. you can take the plate out but your going to be prone to flame ups.

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