BEST COLD ROLLED STEEL COIL WITH HIGH QUALITY AND COMPETITVE PRICE NO.1
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 5000 m.t./month
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Cold rolling means that hot rolled steel coil is rolled below recrystallization temperature after pickling, and its finished product is full hard coil. After annealing process for full hard coil, the finished product is cold rolled production. The thin gauge cold rolled steel sheet and strip steel have advantages of low surface roughness, high dimension accuracy and good mechanical properties etc, and which have been widely used in auto manufacturing, home appliance, architecture, aviation, precision instrument, hardware and enameling industry etc.
Main specification:
COLD ROLLED STEEL | |
Thicknenss | 0.10mm-4.00mm |
Width | 600mm-2000mm |
Sheets length | 1200-6000mm |
Coil inner diameter | 508-610mm |
Surface treatement | matt finish/bright finish,oiling/dry, bright anneal/black anneal |
Coil weight | 3-5t |
We can supply customers' with different specifications of the highest quality and lowest price.
Cold rolled steel is the based material for galvanized steel coil and pre-painted galvanized steel coil. It is widely used in light industry for marking tank, furniture, refrigerators, washers, freezer plate, air conditioner, micro-wave oven, water heater, soot such machine etc.
With excellent cold bending molded manufacturablity, good decoration effect, strong anti-corrosion ability, galvanized steel coils and sheets are also pollution-free and easily recycled. Accordingly, they can be used as final products and basic plates of color coated steel coils.
Sincerely welcome to contact us for the future details if any item interest you ,and we will make every effort to assure that your requirements will be satisfied ,and we hope to establish long-term business relations with you on the basis of the equality and mutual benefit.
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- Q: What are the different types of packaging for steel coils?
- Steel coils can be packaged in various ways to meet the specific needs and preferences of manufacturers and distributors. Here are some commonly used packaging options: 1. Wooden Crates: To ensure safe transportation and handling, steel coils can be packed in robust wooden crates. These crates, made of durable wood materials like plywood or solid wood, provide excellent protection by securely holding the coils in place. 2. Steel Frames: Another option is to use steel frames, constructed with sturdy steel materials, to firmly secure the coils and prevent any movement or shifting. Steel frames are especially suitable for larger or heavier coils as they offer enhanced stability and durability. 3. Cardboard Boxes: For smaller or lighter steel coils, cardboard boxes can be a suitable choice. These boxes, made of strong and durable cardboard, provide adequate protection against minor impacts and scratches. They are also easy to handle and can be conveniently stacked or stored. 4. Plastic Wrapping: In addition to crates, frames, or boxes, steel coils can be wrapped in plastic materials for added protection. Plastic wrapping safeguards the coils from moisture, dust, and external elements during transportation and storage. This packaging option is commonly used in combination with other methods. 5. Transportation Racks: Specially designed transportation racks made of steel or other robust materials can be used for efficient handling and transport of steel coils. These racks securely hold the coils, allowing for easy loading and unloading, and ensuring enhanced safety during transit. Overall, the choice of packaging for steel coils depends on factors such as size, weight, transportation method, and desired level of protection. Manufacturers and distributors carefully consider these factors to select the most appropriate packaging solution that ensures the safe and efficient handling of steel coils throughout the supply chain.
- Q: How do steel coils contribute to the HVAC industry?
- Steel coils are an integral component of the HVAC (Heating, Ventilation, and Air Conditioning) industry and play a crucial role in the functioning and efficiency of HVAC systems. These coils are typically made from high-quality steel, such as stainless steel or galvanized steel, which ensures durability and resistance to corrosion. One of the main ways steel coils contribute to the HVAC industry is by facilitating heat transfer. HVAC systems use coils to transfer heat between the air and a refrigerant. In air conditioning units, for example, the evaporator coil absorbs heat from the indoor air, while the condenser coil releases heat to the outside air. The steel coils in these units provide a large surface area for efficient heat exchange, enabling the cooling or heating of the air as required. Moreover, steel coils also contribute to the overall energy efficiency of HVAC systems. By maximizing heat transfer, these coils allow HVAC systems to operate at optimal performance levels while consuming less energy. This not only helps reduce energy costs for users but also makes HVAC systems more environmentally friendly by minimizing energy consumption and greenhouse gas emissions. Steel coils in HVAC systems also contribute to the quality of indoor air. As air passes over the coils, any impurities, such as dust, dirt, or mold, can accumulate on the coil's surface. Regular maintenance and cleaning of the coils are essential to prevent the buildup of contaminants that could negatively impact air quality. Properly maintained steel coils ensure clean and healthy indoor air, which is particularly important for commercial buildings, hospitals, and other spaces where air quality is crucial. In addition to their heat transfer and energy efficiency capabilities, steel coils also provide durability and longevity to HVAC systems. Steel is a strong and resilient material that can withstand high temperatures, pressure, and environmental stressors. By using steel coils, HVAC systems can operate reliably and efficiently for extended periods, reducing the need for frequent repairs or replacements. Overall, steel coils are a vital component of the HVAC industry. They enable efficient heat transfer, improve energy efficiency, enhance indoor air quality, and provide durability to HVAC systems. Without steel coils, the performance and effectiveness of HVAC systems would be significantly compromised, making them an indispensable element of the HVAC industry.
- Q: How do steel coils contribute to the agricultural sector?
- Steel coils contribute to the agricultural sector by being used in the manufacturing of agricultural machinery and equipment. These coils are used to create components such as plows, harrows, tillers, and seeders, which are essential for cultivating, planting, and harvesting crops. The durability and strength of steel coils make these agricultural machinery and equipment more robust, reliable, and efficient, thereby improving productivity and ensuring higher crop yields.
- Q: What are the different types of steel coil packaging materials for export?
- Some of the different types of steel coil packaging materials for export include wooden crates, steel crates, steel frames, steel racks, plastic wrapping, and cardboard boxes. These packaging materials are chosen based on the weight and dimensions of the steel coils, as well as the specific requirements of the export destination.
- Q: What are the different types of steel coil recoiling methods?
- There are three main types of steel coil recoiling methods: slit edge recoiling, mill edge recoiling, and oscillated recoiling.
- Q: What is the process of galvanizing steel coils?
- The process of galvanizing steel coils involves several steps to enhance their durability and protect them from corrosion. Firstly, the steel coils are cleaned thoroughly to remove any dirt, oil, or other impurities that may be present on the surface. This is done through an acid pickling process, where the coils are immersed in a bath of diluted acid solution or treated with a chemical cleaner. This step ensures that the surface of the coils is free from any contaminants, allowing for better adhesion of the zinc coating. After the cleaning process, the coils are rinsed to remove any remaining acid or cleaner. This is crucial to prevent any adverse reactions with the next step of the process. The next step is the actual galvanization, where the cleaned coils are dipped into a bath of molten zinc. The coils are carefully passed through the zinc bath using rollers or other mechanisms to ensure that the entire surface is coated evenly. The zinc bath is maintained at a specific temperature, typically around 450°C (842°F), which allows the molten zinc to bond with the steel surface. As the coils are withdrawn from the zinc bath, excess zinc is removed by passing them through air knives or by centrifugal spinning. This helps to control the thickness of the zinc coating and ensure a uniform appearance. Once the galvanization process is complete, the steel coils are cooled down gradually to room temperature. This allows the zinc coating to solidify and bond firmly with the steel surface, creating a protective barrier against corrosion. The final step in the process is inspection and quality control. The galvanized steel coils are inspected for any defects, such as uneven coating or areas with insufficient zinc coverage. This is usually done visually or through specialized equipment that can detect any anomalies. Additionally, the coating thickness is measured to ensure it meets the required specifications. Overall, the process of galvanizing steel coils is designed to enhance their longevity and protect them from rust and corrosion. By applying a layer of zinc coating to the steel surface, the coils become more resistant to environmental factors, making them suitable for a wide range of applications in various industries.
- Q: What are the different surface treatments available for steel coils?
- There are several different surface treatments available for steel coils, including galvanizing, painting, and powder coating. Galvanizing involves applying a layer of zinc to the surface of the steel to provide corrosion resistance. Painting involves applying a layer of paint to the surface to enhance its appearance and protect it from rusting. Powder coating is a process where dry powder is electrostatically applied to the steel surface and then cured under heat to form a protective and decorative coating.
- Q: Are steel coils affected by temperature changes?
- Yes, steel coils can be affected by temperature changes. Steel is a metal that expands when heated and contracts when cooled. This expansion and contraction can lead to changes in the dimensions and shape of steel coils. Additionally, extreme temperature variations can cause thermal stress, which may result in warping, cracking, or weakening of the steel coils. Therefore, temperature changes can have an impact on the performance and integrity of steel coils.
- Q: Does aluminum or steel hold up better? We found a steel for 1/2 the price of aluminum, obviously its heavier but any other downsides? rust faster ect? also, does anybody know, in PA do you pay sales tax on trailers? and do dealers normally give you license plates to get the trailer home with? we live 3 hours away from the dealer so thats why i want all details :) would stink if i messed up!!
- We have an aluminum trailer over a steel frame. We used to have a steel trailer. There are two differences I see are the weight and how quickly they deteriorate. I personally prefer the aluminum over the steel, the upkeep is easier and they don't weigh as much which equates to fuel savings. Also if you have a lighter truck an aluminum trailer makes the wear and tear a little easier. You can also look at the size of the truck you are going to tow the trailer with, and the size of the horses inside. All together you definately don't want to exceed the weight limits of the truck. Hope this helps...
- Q: What really is the difference between stain-less steel and iron? I only know that iron is an element, and stain-less steel is an alloy...but what else is there?
- Iron is an element. Steel is an alloy made of iron. Mild Steel, or Carbon Steel is made from at least 98% iron in a preocess that involves controlled application of heat. Other Steel Alloys contain significant ammounts of other elements. In the case of Stainless steel, these elements are Nickel and Chromium. In plain steel, the carbon content varies from 0.15% to about 1.4%. The higher the carbon content, the harder the steel is. Over 1.4% carbon, the steel becomes so hard that is also becomes brittle. Carbon content is also used to control the hardness of stainles steel. Because Stainless steel is corrosion resistant, it is often used for making food preparation equipment. Aluminum is NOT a common element in steel. Aluminum reacts to silicon content similarly to the way Iron reacts to carbon content. High strength Aluminum alloys often contain Magnesium.
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BEST COLD ROLLED STEEL COIL WITH HIGH QUALITY AND COMPETITVE PRICE NO.1
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 5000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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