Cold Rolled Steel Coils-DC03 with High Quality
- Ref Price:
-
$340.00 - 500.00
/ m.t.
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
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Credit Rating, Credit Services, Credit Purchasing
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Cold Rolled Steel Coils-DC03 with High Quality
Brief Introduction
Cold Rolled Steel is steel thathas been worked below its recrystallization temperature by passing it between apair of rollers. Recrystallization temperature is the temperature at whichgrains in the lattice structure of the metal have been rearranged, leaving it freeof strain and deformations. Cold Rolled Steel is pre-treated before being coldrolled with a process known as pickling, which uses strong acids to removescale and other impurities. The Cold Rolled Steel is then passed throughrollers to reduce its thickness. Most cold rolling takes place in multiplepasses and as the size of the Cold Rolled Steel is further reduced, itsstrength and hardness both increase, but its ductility decreases. After coldrolling, heating the metal up in a process known as annealing can restore someof its ductility. The final Cold Rolled Steel may be manufactured in the formof sheets, strips, bars, or other forms.
Application
It’s widely used in outdoor andinterior decoration, furnishing manufacturing, home appliance, automobile etc.
Main Specification
COLD ROLLED STEEL | |
THICKNESS | 0.2-2MM |
WIDTH | 600-1250MM |
SHEET LENGTH | 0-6000MM |
COIL ID | 508MM OR 610MM |
SURFACE TREATMENT | MATT FINISH/BRIGHT FINISH, OILED/DRY |
ANNEALING METHODS | BRIGHT ANNEAL/BLACK ANNEAL |
COIL WEIGHT | 1-12MT |
Advantage
1. High Quality SurfaceFinish
2. High Dimensional Precision
3. Excellent mechanicalproperty
FAQ
1.How to guarantee the quality of the products？
We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.
2. How long can we receive the product after purchase?
Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-25 days, but the shipment will depend on the vessel situation.
- Q:What are the different methods of welding steel coils?
- Steel coils can be welded using various methods, each with its own advantages and applications. The most commonly used methods for welding steel coils are: 1. Resistance Welding: By applying pressure and electric current, this method generates heat and joins the steel coils. It is ideal for high-speed production and can be categorized into spot welding, seam welding, and projection welding. 2. Arc Welding: This technique involves creating an electric arc between an electrode and the steel coils, resulting in intense heat and metal melting. Different arc welding techniques include shielded metal arc welding (SMAW), gas metal arc welding (GMAW), and flux-cored arc welding (FCAW). 3. Laser Welding: Laser welding employs a highly focused laser beam to melt and join the steel coils precisely. It offers excellent control, high welding speeds, and minimal heat-affected zones, making it suitable for thin materials and complex designs. 4. Electron Beam Welding: This method uses a concentrated beam of high-velocity electrons to melt and fuse the steel coils. It is commonly used for welding stainless steel and other high-temperature alloys, providing deep penetration and minimal distortion. 5. Friction Stir Welding: By plunging a rotating tool with a pin into the steel coils, heat is generated through friction, and the softened material is stirred together to form a solid joint. Although primarily used for joining aluminum, it can also be applied to steel coils. 6. Ultrasonic Welding: This technique involves applying high-frequency vibrations to the steel coils, creating friction and heat for fusing the materials. It is commonly used for smaller steel coils and provides fast and efficient welding with minimal distortion. These methods offer distinct advantages and are suitable for specific applications. The choice of welding method depends on factors such as the type and thickness of the steel, desired strength and quality of the weld, production speed, and cost considerations.
- Q:if steel is heated from room temperature (20c) to (500c) what would be the change in density?coefficient for linear expansion of steel 12x10^-6 k density of steel 7800 kg
- First you have to convert the coefficient of linear expansion to a coefficient of volumetric expansion. Multiply the coefficient of linear expansion by 3: Coefficient of expansion of steel,β:12E-6/°K x 3 = 36E-6/°K Difference in temperature: 480°K ΔV = VoβΔT ΔV = Vo x (0.000036) x 480 ΔV = 1m? x 0.017 ΔV = 0.017m? Originally, the steel was at 7800 kg/m? Now, the steel was at 7800 kg/ 1.017m?, or 7670 kg/m? Change in density = 7670 - 7800 = -130kg/m?
- Q:How do steel coils contribute to sustainability in manufacturing?
- There are several ways in which steel coils contribute to sustainability in manufacturing: 1. Recycling plays a crucial role: Steel is one of the world's most recycled materials, boasting a recycling rate above 90%. Steel coils are made from recycled steel and can be recycled again at the end of their lifespan. This reduces the reliance on raw materials extraction, conserves natural resources, and decreases energy consumption and greenhouse gas emissions associated with steel production. 2. Durability is a key factor: Steel is renowned for its strength and durability. Steel coils are specifically designed to withstand heavy loads, extreme temperatures, and harsh environmental conditions. Consequently, products made from steel coils, such as automotive parts, construction materials, and appliances, have a longer lifespan. This diminishes the need for frequent replacements and minimizes waste. 3. Energy efficiency is improved: Steel coils are utilized in various manufacturing processes, including stamping, forming, and welding. These processes require less energy when working with steel coils compared to other materials. Steel's high strength-to-weight ratio allows for the production of lightweight yet strong components, reducing energy consumption during transportation and enhancing fuel efficiency in vehicles. 4. Emissions are reduced: Steel coils contribute to sustainability by assisting manufacturers in lowering their emissions. Steel is a low-carbon material, emitting fewer greenhouse gases compared to materials such as aluminum or plastics. By employing steel coils, manufacturers can reduce their carbon footprint and contribute to climate change mitigation efforts. 5. The circular economy is promoted: Steel coils play a crucial role in the circular economy, which aims to minimize waste and maximize resource efficiency. Steel coils can be easily recycled and reused, ensuring their continued presence in the production cycle. This diminishes the need for virgin materials and encourages a more sustainable and circular approach to manufacturing. To conclude, steel coils make significant contributions to sustainability in manufacturing by being recyclable, durable, energy-efficient, emission-reducing, and promoting a circular economy. By selecting steel as a material and utilizing steel coils, manufacturers can take significant steps towards reducing their environmental impact and fostering a more sustainable manufacturing industry.
- Q:When I took guitar lessons, I found that the Nylon strings are easier for me, but I love the sound of steel strings. Now, I have my own acoustic guitar, and 2 strings broke off, so I'm getting strings today. I'm not sure if Nylon strings would 'fit' on my guitar, and it's to soft of a noise. But the steel are much better sounding, but it's a little bit harder to push the string down on the fret. Which do you prefer, why?(:
- If your acoustic guitar is a steel-string (acoustic only means it's not electric) you can only put steel strings on it. Nylon strings would probably require modification of the nut and would sound terrible even then. A steel-string guitar is built and braced to work with steel strings and will not respond properly to the lighter tension of nylon strings. On the other hand, steel strings will destroy a guitar that is built for nylon in very short order. There are two things you can do here. If you have a steel-string guitar and are still using the strings that came on it, they are probably light gauge. You could try an extra-light set or even silk steel. Alternatively, you could have your guitar looked at by a guitar tech or other knowledgeable person and see if it needs a setup. The action (string height off the fretboard) on a properly adjusted steel-string guitar should actually be lower than on a classical guitar. Cheap guitars off the internet or from non-music stores are especially notorious for being poorly adjusted.
- Q:Can i make holes in iron and steel with somekind of drill bit. All i have is metal drill bits. Mabey like 68 of them but i dont know wich one to use and if they will penetrate.
- Drills are used to make holes in steel all the time.
- Q:What are the safety precautions to be followed while handling steel coils?
- When handling steel coils, there are several safety precautions that should be followed. These include wearing appropriate personal protective equipment, such as gloves and safety glasses, to protect against cuts, abrasions, and eye injuries. It is important to use proper lifting techniques and equipment to prevent strains or back injuries. Steel coils should be securely stacked and stored to prevent them from falling or rolling, and caution should be exercised when moving or transporting them to avoid accidents. Additionally, workers should be trained on the safe handling and storage procedures specific to steel coils to minimize any potential hazards.
- Q:Steel or stainless steel
- Steel often has impurities that can generate fumes, which cause a fever identical to smoke inhalation. You always need to be concerned about what you are breathing around hot metal.
- Q:What are the benefits of using stainless steel coils?
- There are several benefits of using stainless steel coils. Firstly, stainless steel is highly resistant to corrosion and rust, making it ideal for applications in harsh environments or where exposure to moisture is likely. Secondly, stainless steel coils offer excellent heat resistance, making them suitable for high-temperature applications. Moreover, stainless steel coils are durable and have a long lifespan, reducing the need for frequent replacements. Additionally, stainless steel is easy to clean and maintain, making it a hygienic choice for industries such as food processing and medical equipment manufacturing. Lastly, stainless steel coils provide excellent strength and structural integrity, ensuring the reliability and efficiency of various industrial processes.
- Q:Why can hot rolled coils be placed outside?
- Because the stress of participation should be eliminated
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Cold Rolled Steel Coils-DC03 with High Quality
- Ref Price:
-
$340.00 - 500.00
/ m.t.
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 10000 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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