Hot-dip Galvanized Steel Coils

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Specifications:

Product name	Hot-dip Galvanized Steel Coils
Thickness	0.2mm-2.0mm
Width	900mm,914mm,1000mm,1200mm,1250mm,1500mm
Zinc coating	40g-275g
Standard	ASTM, AISI, JIS, GB
Material	SGCC,DC51D,DX51D,DX52D,SPCC,SGCD,Q195,SGHC
Surface structure	zero spangle, regular spangle or minimum spangle
Surface treatment	Chromate treatment, Oiled/dry, skinpassed/non-skinpassed
Packing	Standard seaworthy export package
Payment	T/T or L/C
Min order	50 ton/tons
Delivery time	within 35 days upon receipt original L/C or advance payment

Application

Construction	the building roof plate, roof grille etc.
Light industry	the home appliances with its shell, civil chimneys, kitchen appliances etc.
Automobile	corrosion resistant parts of car etc.
Farming livestock and fishing	food storage tools; frozen processing equipment of meat and aquatic products etc.
Commerce	storage and transportation of materials, packaging equipment etc.

Q: What are the different types of steel coil cutting processes?: There are several different types of steel coil cutting processes that are used in various industries. 1. Shearing: This is the most common and simplest method of steel coil cutting. It involves using a shear blade to cut the coil material into desired lengths. Shearing can be done manually or with the help of automated machinery. 2. Slitting: Slitting is a process used to cut wide coils into narrower strips. It involves passing the coil material through a set of circular knives that cut the steel into multiple smaller coils or strips of desired width. 3. Laser cutting: Laser cutting is a highly precise and efficient method of cutting steel coil. It involves using a high-powered laser to melt or vaporize the material along a predetermined path. Laser cutting is commonly used for intricate designs or when high accuracy is required. 4. Plasma cutting: Plasma cutting is another method used to cut steel coil. It involves using a plasma torch that generates a high-velocity jet of ionized gas to melt the material. Plasma cutting is known for its speed and ability to cut through thick materials. 5. Waterjet cutting: Waterjet cutting is a process that uses a high-pressure stream of water mixed with abrasive particles to cut through steel coil. This method is often used when the material being cut is sensitive to heat or when precision is required. 6. Saw cutting: Saw cutting is a traditional method of cutting steel coil. It involves using a saw blade with teeth to cut through the material. Saw cutting is effective for thicker materials and can be done manually or with the help of automated machinery. These are just a few of the different types of steel coil cutting processes that are commonly used. The choice of cutting method depends on factors such as the type and thickness of the material, desired accuracy, speed, and cost-effectiveness.

Q: Ok I have a neodymium magnet, stuck to my fridge holding a old bottle cap opener for my beer it works fine. At the local rummage sale there was a beautiful cap opener my freind was selling for $0.25 she said had never beenUsed it was like 40 years old it is made a stainless steel. The magnet will not stick to it. I don't understand this looked this up and certain steels are not magnetic, I tried a experiment with my compass it don't point north as should it follows the bottle opener as I move it around it. If not magnetic why is this happening? Also tried placing near another neodymium magnet with a pull of about 200 lbs. Not I tiny bit of attraction to the metal. If so why is the tiny magnet in the compass attracted to it. But not a huge powerfull magnet.: That's interesting that it caused deflection in the compass. A lot of stainless steels may be SLIGHTLY magnetic, because they have small amounts of ferrite or alpha-iron in them. Ferrite is one of the crystal phases of steel. It has a body-centered cubic (BCC) structure and it's responsible for the magnetism of ordinary steels. Adding certain elements like nickel, manganese, or molybdenum, changes the crystal structure of the steel to a face-centered cubic (FCC) structure, which is NOT magnetic. This crystal phase is known as Austenite or gamma-iron. However most iron alloys contain some impurities that may cause the steel to be not completely transformed into the FCC austenite phase, small areas remain as ferrite.

Q: A friends of mine says he has balls of steel and i told him i would melt em off with lava. He said it wouldnt work. i disagree: some lava is hot enough to melt steel. Mostly, though, the metal would react with the lava and get eaten up that way rather than directly melting. Most lava can contain an awful lot of iron and other metals without any difficulty and are rarely saturated with those metals.

Q: What are the common size limitations for steel coil production?: The size limitations for steel coil production can vary based on various factors, including the type of steel used, the manufacturing process, and the available equipment. However, there are generally accepted size limitations in the industry. One primary constraint is the width of the steel coil, which is typically determined by the size of the rolling mill or slitting equipment used in production. Standard widths for steel coil production range from approximately 600 millimeters (23.6 inches) to 2,000 millimeters (78.7 inches). Nonetheless, specialized equipment and processes can achieve widths outside of this range. Another limitation is the thickness of the steel coil, which can be influenced by the type of steel, intended application, and manufacturing capabilities. Common thicknesses for steel coils range from 0.15 millimeters (0.006 inches) to 6 millimeters (0.236 inches). However, specialized equipment and processes may be required to produce thicker or thinner coils. The weight of the steel coil is also an important consideration, typically determined by the capacity of production and handling equipment, as well as transportation limitations. Standard coil weights range from a few hundred kilograms to several tons. However, larger equipment or dividing the coil into smaller coils can enable the production of coils that exceed these limits. In addition to width, thickness, and weight, there may also be limitations on the length of the steel coil. This can be influenced by factors such as the size of the production line, handling and transportation capabilities, and customer requirements. Standard coil lengths typically range from a few meters to several tens of meters. However, specialized equipment and processes can produce longer coils. It is important to note that these size limitations are not fixed and can vary depending on project or customer requirements. Manufacturers often collaborate closely with customers to determine the optimal size limitations for their steel coil production, ensuring the final product meets desired specifications.

Q: How do steel coils contribute to the transportation industry?: Steel coils play a significant role in the transportation industry due to their versatility and durability. These coiled steel sheets are used for various purposes, such as manufacturing automobiles, shipping containers, and railway cars. In the automotive industry, steel coils are used to produce various components, such as body panels, chassis, and engine parts. The strength and malleability of steel make it an ideal material for ensuring the safety and durability of vehicles. Additionally, steel coils are used in the manufacturing of shipping containers that are used to transport goods across the globe. The sturdiness and resistance to corrosion provided by steel coils ensure the protection of goods during transportation. Furthermore, steel coils are crucial in the railway industry. They are used to manufacture railway cars, including freight cars and passenger coaches. The strength and durability of steel make it ideal for withstanding the heavy loads and harsh operating conditions experienced by railway vehicles. Steel coils also contribute to the construction of railroad tracks and bridges, providing the necessary strength and stability for safe and efficient transportation. Overall, steel coils are essential in the transportation industry as they provide the necessary strength, durability, and versatility required for the manufacturing of various transportation vehicles and infrastructure. Their contribution ensures the safety, reliability, and efficiency of transportation systems, making them indispensable in the modern world.

Q: How would you calculate the maximum plastic deformation (expansion) a steel pipe can handle before it actually fails?: You can calculate the maximum reversible strain, for elastic loading as follows: You need to look up the yield strength (for that particular type of steel). Divide this yield strength by the elastic modulus of steel (also called Young's modulus). That gives you the strain at the onset of yielding, the maximum you can strain the steel fibers before crossing the point of no return. If you are interested in the strain until failure, you need to take tensile test measurements. Seldom do people document an equation to model the non-elastic portion of the stress-strain curve of the specimen, because seldom do we design systems to operate with materials which yield. We want systems which only deform reversibly and elastically. This means you need to perform an experiment to find what you are actually desiring to know.

Q: Went to top gun range in Houston, Tx. Guy there said no steel bullets..Anyone know why? Think i can shoot them anywhere else? Perhaps an outdoor gun range? The are monarch FMJ 9mm steel rounds..Thanks!: Indoor ranges and ranges that provide steel targets don't like them because of the additional wear and tear on their equipment. Some outdoor ranges don't allow them because they can strike sparks when they hit rocks and cause a fire. Others don't care. Best to call ahead or check the range's web site, if any, to see what they allow and don't allow.

Q: What is the process for uncoiling and recoiling steel coils?: To ensure the safe and efficient handling of steel coils, several steps are involved in the process of uncoiling and recoiling. Firstly, the steel coils are transported to the desired location using cranes or forklifts and carefully unloaded from the transportation vehicle. They are then placed in a designated area. Before uncoiling, it is crucial to inspect the steel coils for any damage or defects. This step ensures that only quality coils are further processed. Once inspected, the steel coils are secured to prevent any movement during the uncoiling process. Clamps or straps are used to hold the coils firmly in place. Uncoiling involves gradually unwinding the steel coil, which can be done manually or using specialized machinery such as uncoilers or decoilers. The coil is typically fed through a series of rollers that guide the unwinding process. In some cases, the steel coil may need to be straightened before further processing. Straightening machines apply pressure to remove any bends or twists in the steel. If necessary, the uncoiled steel coil may be cut into smaller sections or sheets using shearing machines or other cutting tools. The dimensions and size of the cuts depend on the specific project requirements. Once the desired processing steps are completed, the steel coil can be recoiled. This involves rewinding the steel into a new coil shape, which can be done manually or using recoilers. Recoilers wind the steel evenly and tightly to maintain its integrity. After recoiling, the steel coils are typically packaged and stored for further transportation or use. They may be wrapped in protective materials such as plastic or metal sheets to prevent corrosion or damage. In conclusion, the process of uncoiling and recoiling steel coils requires careful handling, inspection, and the use of specialized machinery. By following these steps, steel coils can be efficiently processed and prepared for various applications in industries such as construction, automotive, and manufacturing.

Q: What are the common coil defects and their causes?: Common coil defects can include misshapen coils, coil breaks, and coil slippage. Misshapen coils can be caused by improper winding tension or uneven material thickness. Coil breaks may occur due to excessive tension during winding, inadequate material strength, or improper handling. Coil slippage can result from insufficient binding or improper tension control. These defects can affect the performance and integrity of the coil, leading to potential issues in its functionality.

Q: How are steel coils used in the production of agricultural machinery?: Steel coils are used in the production of agricultural machinery as a primary material for various components and structures such as frames, chassis, and panels. The coils are typically cut, shaped, and welded to create the desired parts, ensuring strength, durability, and reliability in the machinery.

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