BEST COLD ROLLED STEEL COIL WITH HIGH QUALITY AND COMPETITVE PRICE NO.1
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 5000 m.t./month
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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.
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.
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: In the game RuneScape, the concept of the fictitious metal, Rune has intrigued me. On an equal area AND weight basis (with a possible 10 lb exception) what metal is 256% stronger than steel?
- Alumuniom so that, it is used in Rockets and planes another feature for Alumuniom, that it can bear a huge amount of heat.
- Q: Nickel is ferro magnetic in nature. But when it is added with stainless steel, it makes stainless steel non-magnetic. What is the structural changes happened with the presence of nickel?
- Steel is magnetic because of the alignment of the spin in the electrons of the atoms in the crystaline matrix of the steel. Nickel atoms are not the same size as Iron atoms and Chromium atoms. by having several different sizes of atoms in the alloy, it prevents a uniform crystaline matrix from being formed. If you imagine a box of marbles that are all the same size, they will all settle into a regular pattern in the box. But a bunch of mismatched marbles will be jumbled together in irregular patterns. This prevents the magnetic properties of either element from asserting itself.
- Q: What are the different coil leveling machine configurations used for steel coils?
- There are several different coil leveling machine configurations that are commonly used for steel coils. These configurations vary based on the specific requirements of the steel coils being processed. One common configuration is the four-high leveling machine. This machine consists of four leveling rolls arranged in a stack. The steel coil passes through these rolls, which apply pressure to flatten and level the material. The four-high configuration is often used for thicker and heavier steel coils, as it provides a higher level of pressure and control during the leveling process. Another configuration is the six-high leveling machine. This machine has six leveling rolls arranged in two stacks of three rolls each. The steel coil passes through the first stack, where the initial leveling is performed, and then through the second stack for further refinement. The six-high configuration is often used for thinner steel coils, as it allows for a more precise and gentle leveling process. In addition to these configurations, there are also combination leveling machines available. These machines combine leveling with other processes, such as slitting or shearing, to provide a more comprehensive solution for steel coil processing. Combination machines are often used in applications where multiple steps are required to achieve the desired final product. Overall, the choice of coil leveling machine configuration depends on factors such as the thickness and weight of the steel coil, as well as the desired level of precision and efficiency. Manufacturers and processors must carefully evaluate their specific needs and select the appropriate configuration to ensure optimal results in the steel coil leveling process.
- Q: What are the challenges in coil leveling for coated steel?
- Coil leveling for coated steel presents several challenges that need to be addressed in order to achieve high-quality, flat, and smooth coils. Firstly, one of the main challenges is the potential for coating damage during the leveling process. Coated steel coils are typically coated with materials such as zinc or paint, which can be easily scratched or marred if not handled properly. The leveling process involves passing the coil through a set of leveling rolls, which can potentially cause friction, abrasion, or other mechanical damage to the coating. Therefore, it is crucial to carefully control the speed, pressure, and alignment of the leveling rolls to minimize coating damage. Secondly, the thickness variation across the coil presents a significant challenge. Coated steel coils often have thickness variations due to inherent material properties or production processes. These variations can result in uneven leveling and can lead to coils with waviness or uneven flatness. Achieving uniform leveling across the entire coil surface is essential to ensure consistent quality and appearance of the final product. Another challenge in coil leveling for coated steel is the possibility of coil shape distortion. Coating processes can introduce stresses into the steel, which can cause the coil to warp or distort during the leveling process. This distortion can result in coils with uneven edges or inconsistent flatness. Proper control of the leveling process parameters, such as the number of leveling passes and the tension applied to the coil, is necessary to minimize shape distortion. Additionally, the coil leveling process can generate internal stresses in the steel itself, particularly in coated steels that have been cold-rolled or heat-treated. These internal stresses can cause coil spring-back, where the coil tries to return to its original shape after leveling. Spring-back can result in coils with unwanted curvature or uneven flatness. Effective strategies, such as stress relief annealing or using counteracting leveling techniques, are essential to minimize spring-back and achieve the desired flatness. Finally, the handling and storage of coated steel coils present challenges in maintaining the quality of the leveled coils. Coated steel coils are sensitive to environmental conditions such as humidity, temperature, and exposure to corrosive agents. Proper storage and handling practices are crucial to prevent coating damage, rust, or other forms of deterioration that can occur during transportation or storage. In summary, the challenges in coil leveling for coated steel include minimizing coating damage, addressing thickness variation, controlling shape distortion and spring-back, and ensuring proper handling and storage. Overcoming these challenges requires precise control of process parameters, the use of appropriate leveling techniques, and adherence to strict quality control measures throughout the entire process.
- Q: How are steel coils inspected for paint adhesion?
- Steel coils are inspected for paint adhesion through various methods such as visual examination, tape test, and cross-cut adhesion test. These tests involve visually inspecting the surface for any paint defects, applying adhesive tape to check if the paint adheres properly, and making cross-cuts to assess the adhesion strength.
- Q: What is the maximum length of a steel coil?
- The maximum length of a steel coil can vary depending on various factors such as the manufacturing process, transportation limitations, and storage capabilities. However, it is common for steel coils to have a maximum length of around 30 meters (100 feet) or even longer in some cases.
- Q: What are the different types of steel coil surface treatments for outdoor applications?
- There are several different types of steel coil surface treatments that are commonly used for outdoor applications. These treatments are applied to the steel to enhance its durability, corrosion resistance, and appearance. Some of the most commonly used surface treatments for outdoor applications include: 1. Galvanized: Galvanization is a process where a layer of zinc is applied to the steel surface. This treatment provides excellent corrosion resistance, making it ideal for outdoor applications. Galvanized steel coils have a shiny, silver appearance. 2. Galvalume: Galvalume is a combination of aluminum and zinc, which is applied to the steel surface. This treatment provides superior corrosion resistance compared to galvanized steel. Galvalume steel coils have a duller, matte finish. 3. Painted: Steel coils can be painted with a variety of coatings to enhance their appearance and protect against corrosion. The paint can be applied in a single or multiple layers, depending on the desired level of protection. Painted steel coils are available in a wide range of colors and finishes. 4. Powder Coated: Powder coating is a type of paint coating that is applied as a powder and then cured under heat. This treatment creates a durable and long-lasting finish. Powder coated steel coils are resistant to chipping, scratching, and fading, making them suitable for outdoor applications. 5. Organic Coated: Organic coatings, such as PVC or PVDF, are applied to steel coils to provide additional protection against corrosion and weathering. These coatings are typically used in architectural applications where aesthetics and durability are important. These different types of steel coil surface treatments offer various levels of protection and aesthetic options for outdoor applications. The choice of treatment depends on factors such as the intended use, environmental conditions, and desired appearance.
- Q: every time i look for steel over the internet like to build cars motorcycles ect i only get steel pipes where can i get steel sheets
- This okorder /... Most towns have a steel supply house/ business, check your yellow pages. Also check with local welding and machine shops. They can give you ideas and or their suppliers. They often have bits and pieces that you might buy, instead of ordering a full sheet of material. Wingman
- Q: I was watching a documentary on the samurai vs the European knight. It said that the when Japan was being invaded by the (cant remember) they needed a new weapon. The enemies armor made iron swords useless. While steel swords broke when in combat. So to combat this the Japanese made a hybrid sword. They used a special mold that made the swords back iron while the part that makes contact with the enemy was steel. Also the sword was curved so it increased its armor and cutting power. This revolutionary design made the the sword stronger. The iron back made it not break while the steel edge made it cut through the enemies armor. I want to know how iron is stronger than steel, and how steel can cut better than iron.
- Firstly Iron is not stronger than Steel. You must understand that steel is made with iron. Steel is iron with carbon infused into the crystal lattice; thus making it stronger. Iron was used as the backing because it is more ductile and resilient than steel because steel is stronger and more brittle. So on this basis steel is stronger and better to hit the armor first with more cutting power because it wont yield to softer materials, and iron was suited for the backing because it would allow it to bend as pressure is being applied, but without braking.
- Q: Ok, so im gonna get my tragus pierced and i was wondering which is better, titanium or stainless steel. I hear like everyone uses stainless steel , but is titanium better?Thanks
- Ttitanium is better.
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BEST COLD ROLLED STEEL COIL WITH HIGH QUALITY AND COMPETITVE PRICE NO.1
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 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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