• Good Quality New Colored Cold Rolled Steel Coil System 1
  • Good Quality New Colored Cold Rolled Steel Coil System 2
Good Quality New Colored Cold Rolled Steel Coil

Good Quality New Colored Cold Rolled Steel Coil

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
50000 m.t./month

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 Colored Cold Rolled Steel Coil description:

Standard:AISI,GB,JIS

Grade:DX51D+Z

Thickness:0.18-1.5mm

Model Number:prepainted steel coil

Type:Steel Coil

Technique:Hot Rolled

Surface Treatment:color coated/galvanized

Width:914-1250mm

Length:Coil

 

 

Product Description of Colored Cold Rolled Steel Coil  
Standard ASTM,GB,JIS
GradeDX51D+Z,SGCC
Thickness0.18-1.5MM
Width914,1000,1219,1250MM
Coil weight 3-6mts 
Top paint 20MIL
Back paint 7MIL
Surface treatmentcolor coated/galvanized/galvalume
Delivery time 7-20 working days 
Packing : waterproof paper, galvanized steel covered and steel strip packed
USeagewidely used in construction,home,appliance,decoration,wear resistant steel,etc

 

FAQ:  

Acceptable  payment term and way?             

 T/T,L/C, T/T + L/C, D/P

Acceptable price term           

 FOB  CNF  CIF  DDU  CPT          
Do you accept OA payment terms?    

Yes, sure, but it normally depending on the order value    
Do you have QC team?      

Yeah, sure, our QC team is very important, they will keep the qualitycontrol for our products.
What is the validity of your quotation?    

Normally 7 days.
What is your advantage?
24 hour quick response /Customer oriented/ Credit foremost/ Top quality Excellent 
What is your acceptable payment term?    

TT,LC,OA etc

 

 

Good Quality New Colored Cold Rolled Steel Coil

 

 

Q:What are the common coil width tolerances?
The common coil width tolerances vary depending on the industry and specific application. However, some general coil width tolerances include +/- 0.005 inches, +/- 0.010 inches, or +/- 0.020 inches. It is important to note that these tolerances may differ based on the material, thickness, and quality requirements of the coil.
Q:Help please.What atoms are there in steel?Like water is equals to 1 Oxygen atom + 2 Hydrogen atoms.Thnx 4 d help.
Steel is mostly iron with a small amount (less than 1%) of carbon added. Stainless steel has other metals like chromium and nickel added.
Q:Can steel coils be used in the production of automotive parts?
Yes, steel coils can be used in the production of automotive parts. Steel coils are often used in the manufacturing process of various automotive components such as body panels, frames, chassis, suspension parts, and engine parts. The steel coils are typically processed through various methods such as cutting, stamping, bending, and welding to shape them into the desired automotive parts. Steel is a preferred material for automotive parts due to its strength, durability, and resistance to corrosion. Moreover, steel coils are available in different grades and thicknesses, allowing manufacturers to tailor the material properties to meet specific requirements for different automotive applications. Overall, steel coils play a critical role in the production of automotive parts, contributing to the performance, safety, and longevity of vehicles.
Q:What are the pros with stainless steel? You don't have to oil them as much or you don't have to oil them at all?Is the rifling in the barrel typically stainless steel as well? if so, is this better accuracy or does the rifling last longer then conventional?are they worth the extra money?Thanks for any info you can provide!
The other posters here have already covered the pros of stainless steel firearms. I think they are just fine and actually require less maintenance. But, allow me to add one negative note about stainless. It may seem minor, but I have personally had an issue with it. Stainless steel will reflect sunlight and other light sources. I recall a few occassions when I was shooting my Ruger Red Label, that only has a dull finished stainless steel receiver, where the sun was starting to set in the evening and the sunlight was reflecting off the very small portion of receiver that was in my light of sight - and it was blinding! Another time I was shooting a nickle plated SW revolver and the same thing happened (nickle is obviously very similar to polished stainless steel). It was like I was holding a mirror in my hands and the sunlight reflecting off of the surfaces of the revolver made it impossible to sight the gun. Also, stainless steel or nickle sights on any handgun or rifle are useless - you need either black or other colored ramps and rear sights. (The only excpetion being the small bead sights on the front of shotguns, which are used as a reference point only and are usually a dull silver finish.)
Q:I work in a steel foundry 10-12 hours a day where we melt and pour stainless steel tubes. The pour temperature for some of them is very close to the boiling point of stainless steel (about 3800 degrees) because it has to be VERY liquid for the application we use it. Anyway, it does boil a little and we breath in the vapours which I can assure you ARE indeed vapourized stainless steel (it collects and cools on everything and makes a nice shiny coating). Ok, so to the question, does breathing vapourized stainless steel all day pose a health risk such as cancer? Anyone know? I'm just curious.
you okorder
Q:What are the different methods of surface inspection for steel coils?
Steel coils can undergo surface inspection using various methods, each with its advantages and limitations. Among the commonly used techniques are: 1. Visual Inspection: Inspectors visually examine the steel coil surface for defects like scratches, dents, or discoloration. Though subjective and reliant on inspector expertise, this method proves cost-effective for detecting obvious defects. 2. Magnetic Particle Inspection (MPI): This method involves applying a magnetic field to the coil and then iron particles on the surface. Disruptions in the magnetic field caused by defects or cracks gather the particles, making the flaws visible. MPI effectively detects surface cracks and defects not easily seen by the naked eye. 3. Eddy Current Testing (ECT): ECT, a non-destructive testing method, employs electromagnetic induction to identify surface defects in steel coils. A probe with a coil generates an alternating magnetic field near the coil surface. Changes in electrical conductivity or magnetic permeability due to surface defects lead to a change in the induced current, which can be analyzed. ECT successfully identifies cracks, corrosion, and other surface irregularities. 4. Ultrasonic Testing (UT): High-frequency sound waves are used to examine both the surface and subsurface of steel coils. A transducer sends ultrasonic waves into the steel, and the reflected waves are analyzed to detect material changes or anomalies. UT effectively identifies cracks, delaminations, or voids within the coil, providing valuable insights into the steel's structural integrity. 5. Optical Inspection: This technique utilizes advanced imaging techniques like cameras or laser scanners to capture high-resolution images of the coil surface. These images are then analyzed for defects such as scratches, pits, or irregularities. Optical inspection provides detailed information and is often used alongside other methods for a comprehensive inspection. It is important to note that each method has its limitations and may be more suitable for specific defect types or surface conditions. Therefore, a combination of these techniques is often employed to ensure a thorough and accurate inspection of steel coils.
Q:Can steel coils be coated with anti-static materials?
Yes, steel coils can be coated with anti-static materials to help reduce or eliminate static electricity buildup and discharge. Anti-static coatings are commonly applied to various surfaces, including metals, to prevent damage to sensitive electronic components, improve safety, and enhance overall product performance.
Q:What are the different coil slitting line configurations used for steel coils?
Manufacturers have a range of options when it comes to coil slitting line configurations for steel coils. Each configuration has its own advantages and applications. These configurations are as follows: 1. Simplex Slitting Line: This configuration is suitable for lower production volumes and thinner gauge materials. It utilizes a single slitter head to cut the coil into smaller widths. 2. Loop Slitting Line: Ideal for high-volume production and thicker gauge materials, this configuration features a loop pit that allows for continuous processing without stopping the line. 3. Double Loop Slitting Line: Similar to the loop slitting line, this configuration includes two loop pits, enhancing the line's efficiency and productivity. It is commonly used for processing wider width and thicker gauge materials. 4. Tension Stand Slitting Line: With a tension stand that applies constant tension during the slitting process, this configuration ensures consistent slit widths. It is often used for high-precision slitting applications. 5. Rotary Shear Slitting Line: This configuration utilizes a rotary shear to cut the steel coil into smaller widths. It is suitable for both thin and thick gauges and offers high-speed and accurate cutting. 6. Scrap Winder Slitting Line: This configuration incorporates a scrap winder to collect excess material trimmed during the slitting process. It helps improve efficiency and reduces waste. 7. Combination Slitting Line: Combining multiple slitting processes into a single line, this configuration allows for different slitting methods and widths to be achieved within one setup. It provides flexibility and versatility in processing various steel coil sizes and materials. Manufacturers can choose from these different coil slitting line configurations based on their specific production requirements and the properties of the steel coils they are processing.
Q:How do steel coils contribute to corrosion resistance in products?
Corrosion resistance in products is achieved through a combination of factors provided by steel coils. Firstly, the coils are typically constructed from stainless steel, which contains a high concentration of chromium. This chromium forms a passive film on the steel's surface, acting as a protective oxide layer that prevents corrosion. Furthermore, this film possesses the ability to self-heal, regenerating itself if damaged or scratched, thereby ensuring continuous corrosion protection. In addition, the steel coils undergo a process known as galvanization, which involves applying a layer of zinc to the steel's surface. This zinc layer functions as a sacrificial anode, corroding preferentially to the steel. This sacrificial corrosion shields the underlying steel, effectively preventing the formation of rust and other types of corrosion. Moreover, steel coils can be coated with various protective materials like epoxy or polyurethane to enhance their corrosion resistance. These coatings act as an additional physical barrier, preventing moisture, chemicals, and other corrosive elements from reaching the steel surface. Lastly, steel coils can be manufactured with specific alloying elements such as nickel or molybdenum, further enhancing their resistance to corrosion. These alloying elements bolster the strength and durability of the steel, enabling it to withstand harsh and corrosive environments more effectively. In summary, steel coils contribute to the corrosion resistance of products by utilizing stainless steel, galvanization, protective coatings, and alloying elements. The implementation of these measures ensures that products retain their structural integrity and appearance over time, even under demanding and corrosive conditions.
Q:What are the common methods of cutting-to-length steel coils?
Depending on the industry's specific requirements and capabilities, there are various common methods used to cut-to-length steel coils. 1. Shearing: For thinner gauge materials, one can utilize shearing, which involves using a shear blade to cut the steel coil into specific lengths. This cost-effective method is ideal for high-volume production. 2. Slitting: For narrower strips or multiple widths from a single coil, slitting is a suitable process. It entails passing the steel coil through rotating circular blades that cut the coil into desired widths. Slitting is commonly used for thinner gauge materials. 3. Laser cutting: To achieve precise and clean cuts, laser cutting employs a high-powered laser beam that melts and vaporizes the steel coil. This method is versatile, suitable for a wide range of materials, complex shapes, and contours. Laser cutting is often chosen for high-precision applications and smaller production runs. 4. Sawing: Thicker gauge materials are commonly cut using sawing. This method, which can be done manually or with automated sawing machines, involves using a saw blade to cut through the steel coil. Sawing is ideal for cutting large sections or heavy-duty applications. 5. Rotary cutting: Rotary cutting is frequently employed for thicker gauge materials in high-speed production. This method utilizes a rotary shear to cut the steel coil into desired lengths, providing a clean and accurate cut. Many industries prefer rotary cutting. It is important to consider that each method has its own advantages and limitations. The appropriate cutting method selection depends on factors such as material thickness, coil width, required precision, production volume, and budget constraints.

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