hot rolled steel coil carbon steel coil with competetive price

hot rolled steel coil carbon steel coil with competetive price

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 500 m.t.

Supply Capability:: 10000 m.t./month

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Quick Details

Standard: GB, JIS
Grade: SS400/Q235B
Thickness: 0.5-8
Place of Origin: Hebei, China (Mainland)
Type: Steel Coil
Technique: Hot Rolled
Surface Treatment: Other
Application: Flange Plate
Width: 1250-2500
Length: 2M-6M
Steel Grade: SS400

Packaging & Delivery

Packaging Details:	as customs require, or in bundles
Delivery Detail:	25 days after receiving the deposit

Specifications

Material: SS400
Thickness: 2.0-12mm
Length: 2438, 6000, 9000mm or as required.

SS400   11.5*1500
SS400   11.5*2000
SS400   2.0*1500
SS400   2.3*1500
SS400   2.5*1500
SS400   2.5*1800
SS400   2.75*1500
SS400   3.0*1500
SS400   3.5*1500
SS400   3.75*1500
SS400   4.0*1500
SS400   4.3*1500
SS400   4.5*1500
SS400   4.7*1500
SS400   4.75*1500
SS400   5.5*1500
SS400   5.7*1500
SS400   5.75*1500
SS400   5.8*1500
SS400   7.3*1500
SS400   7.5*1500
SS400   7.75*1500
SS400   7.75*2000
SS400   9.3*1500
SS400   9.75*1500
SS400   9.75*2000

Q: I just got this aftermarket exhaust on my truck and it's recommended that it be welded, but the metal is aluminized steel. How do I mig weld aluminized steel?: aluminized steel is just std steel with a coating applied to it to keep it from rusting. It welds just like std mild steel. You need to prep the joint and thats it. Use a wire wheel, brush, sandpaper or what ever to clean the joint of the pipes where you will weld. You don't have to get too crazy here. Just a quick brush/wipe with sand paper over the joint and your ready to weld. For mig welding, I would use a 75/25 gas mix, .023 or .030 solid steel wire, around 50-70 amp setting (on most migs this will be #2 heat setting) and around 3/10th to 4/10th wire speed. (some welders will list 0-10, others 0-100, so figure your scale, like 0-10 it would be 3-4, one that list it by 10's then it would be 30-40)

Q: What are the challenges in the production of steel coils?: The production of steel coils faces several challenges. Firstly, one of the major challenges is ensuring consistent quality throughout the production process. Steel coils need to have uniform thickness, width, and flatness. Achieving this consistently can be challenging due to variations in raw materials, equipment, and operating conditions. Another challenge is managing the high temperatures involved in the production process. Steel coils are produced by heating steel slabs or billets to extremely high temperatures and then rolling them into coils. Maintaining the required temperatures and ensuring proper cooling can be a complex task, as any deviations can lead to inconsistencies in the final product. Furthermore, the production of steel coils requires a significant amount of energy. The steel industry is one of the largest energy consumers globally. Reducing energy consumption while maintaining production efficiency is a constant challenge. Implementing energy-efficient technologies and optimizing processes are necessary to address this challenge. Moreover, the production of steel coils generates a considerable amount of waste and emissions. Steel manufacturing involves various chemical reactions and releases pollutants such as carbon dioxide, sulfur dioxide, and particulate matter. Managing and minimizing these emissions to comply with environmental regulations is a significant challenge for the industry. Additionally, steel coils are often produced in large quantities, requiring efficient logistics and transportation systems. Ensuring timely delivery and minimizing damage during transportation can be a challenge due to the weight and size of the coils. Lastly, the steel industry faces market challenges, including fluctuating prices of raw materials, competition from other materials, and global economic conditions. Adapting to market demands and maintaining competitiveness is crucial for the sustainable production of steel coils. Overall, the challenges in the production of steel coils include maintaining consistent quality, managing high temperatures, reducing energy consumption and emissions, optimizing logistics and transportation, and adapting to market dynamics. Addressing these challenges requires continuous innovation, technological advancements, and a focus on sustainability.

Q: I want to anodize steel using heat. some steel turns gray instead of coloring when I heat it up using a torch.: Steel doesn't anodize in the sense that aluminum and some other metals do. However, it can be heat-colored. The trick is to clean the surface first (it must be oxide free), then heat gently until the colors appear. These are called temper colors in steel. They are due to a thin adherent layer of oxide that forms and thickens as temperature is increased. They are quite temperature dependent. As the steel is heated, the first color to appear is pale yellow. This will progress through darker yellows, browns, purples, and blues as the temperature rises. Above blue, the oxide becomes the gray/black color you are apparently getting - this is the result of heating too fast and too hot. See the chart at the site below for colors in plain carbon steel. Note that the temperatures are pretty low - It all starts around 400 F and if you go above 600 F the show's all over.

Q: What are the different methods of engraving steel coils?: There are several methods of engraving steel coils, including laser engraving, chemical etching, mechanical engraving, and electrochemical etching. Each method involves different techniques and tools to create precise and permanent markings on the surface of the steel coils.

Q: What are the dimensions of steel coils used in the agricultural machinery industry?: The specific application and requirements play a significant role in determining the dimensions of steel coils utilized in the agricultural machinery industry. Generally, the dimensions of steel coils in this industry fall between 0.5 and 2.0 millimeters in thickness and 600 to 1500 millimeters in width. These dimensions are commonly utilized for agricultural machinery components like panels, frames, brackets, and reinforcements. It is worth mentioning that these dimensions can be tailored to meet the specific needs of the machinery or the manufacturer's specifications.

Q: so i just bought a stainless steel bracelet.......and recently found out that stainless steel isnt actually stainless..........will turpentine ruin it: real s/steel is nickel and chrome, however manufacturers of kitchenware, e.g s/teel cutlery use the cheaper version of nickel chrome and iron, that is why some s/steel products rust, so if you want to test any products carry asmall magnet and test the article

Q: How are steel coils inspected for quality assurance?: Steel coils are inspected for quality assurance through a combination of visual inspections, measurements, and non-destructive testing techniques. These inspections typically involve checking for surface defects, such as cracks, scratches, or corrosion, as well as ensuring the dimensions and weight of the coils meet the required specifications. Non-destructive testing methods, such as ultrasonic or magnetic particle testing, are also used to detect any internal defects that may not be visible to the naked eye. Overall, these comprehensive inspections help ensure that steel coils meet the desired quality standards.

Q: What is steel made of and what is its molecular weight? It's for a project in chemistry class so if you have a website link as well, that would be great!: Steel is an alloy consisting mostly of iron with a little Carbon thrown in. Steel is not a molecule, therefore, it does not have a molecular weight. Steel contains atoms of iron and carbon in a crystal lattice, along with various other alloying elements such as manganese, chromium, vanadium, and tungsten.

Q: How do steel coils contribute to strength and durability in manufacturing?: Steel coils contribute to strength and durability in manufacturing in several ways. Firstly, steel is an inherently strong material due to its high tensile strength, which allows it to withstand heavy loads and resist deformation. When steel is coiled, it undergoes a process called hot rolling or cold rolling, which further enhances its strength and durability. During hot rolling, the steel is heated to high temperatures and then passed through a series of rollers, which compress and shape it into a coil. This process aligns the grain structure of the steel, making it more uniform and reducing internal stresses. The result is a stronger and more resilient material that can withstand the rigors of manufacturing processes such as bending, stamping, and forming without losing its structural integrity. Cold rolling, on the other hand, involves passing the steel through rollers at room temperature. This process not only increases the strength and hardness of the steel but also improves its surface finish. Cold-rolled steel coils are known for their smooth and uniform appearance, making them ideal for applications where aesthetics are important. Furthermore, steel coils can be coated with various protective layers to enhance their durability. These coatings, such as zinc or polymer-based coatings, act as barriers against corrosion, moisture, and other environmental factors that can weaken the steel. By preventing rust and degradation, these coatings extend the lifespan of steel coils and the products they are used in, making them more durable and cost-effective in the long run. In summary, steel coils contribute to strength and durability in manufacturing by providing a strong and resilient material that can withstand heavy loads and resist deformation. The hot rolling and cold rolling processes further enhance the strength and uniformity of the steel, while protective coatings help to prevent corrosion and extend the lifespan of the coils. Overall, steel coils are essential components in manufacturing that contribute to the strength and durability of a wide range of products.

Q: What are the common welding methods used for steel coils?: The common welding methods used for steel coils include shielded metal arc welding (SMAW), gas metal arc welding (GMAW), flux-cored arc welding (FCAW), and submerged arc welding (SAW).

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