Color coated galvanized steel rolled coil
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 36 m.t.
- Supply Capability:
- 300000 m.t./month
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Specification
Size | Thickness | 0.18-2 mm ,all available . |
Width | 40—1250mm, Steel Strips; 600—1250mm,Steel Sheets. | |
Length | Coil:Ususl weight of coil is 3-8tons Sheet:600-11000mm ,all are available. | |
Standard | AISI,ASTM,GB,JIS,Etc | |
Material | DX51D/52D/53D ;DC01/02/03 | |
MOQ | 20 Tons For Each Size And Each Color | |
Paint Specification | 1. Thickness: ≥20μm 2. Pencil Hardness: 2H 3. 60° specular glossiness of coating: >60 4. 180°bend: ≤3T 5. Impact: ≥9J 6. Salt Fog Resistant: ≥500h 7. Color difference:<0.8δe< span=""> | |
Coil Info | Coil ID | 508/610 mm |
Coil Weight | 3-8 Tons For Each Coil/Sheet | |
Coating (Zinc&Color)
1.Zinc Coating: As usual ,the zinc coating is 50-60g/m2 ,The range will be 40-275g/m2 .
2.Color: Done as the international RAL color chart ,and can also done as customers' color sample .
3.Painting: Front Painting:15-25 μm
Back Painting:5-10 μm
Features of Prepainted Steel Coil :
1) Excellent corrosion resistance: The zinc layer provides a good protection of Pre-painted Galvanizeed Steel Sheet.
2) High heat resistance: The reflective surface of the material aids in efficiently reflecting the sunlight away and in turn reducing the amount of heat transmitted. The thermal reflectivity converts into energy savings.
3) Aesthetics: Pre-Painted Galvanized steel sheet is available in plethora of patterns and multiple sizes as per the requirements that given by our customers.
4) Versatility: can be used in the various areas.
- Q: What are the different types of steel coil cutting methods?
- There are several different types of steel coil cutting methods, including slitting, shearing, and laser cutting. Slitting involves cutting the coil into narrower strips using rotating circular knives. Shearing is the process of cutting the coil using straight blades to create straight edges. Laser cutting uses a focused laser beam to melt and vaporize the steel, resulting in a precise and clean cut.
- Q: What is the average price of a steel coil?
- The average price of a steel coil can vary depending on several factors such as the type of steel, the thickness and width of the coil, the market demand, and the location of purchase. Generally, the price can range from $500 to $1500 per metric ton. However, it is important to note that prices are subject to fluctuations in the steel market, which can be influenced by global economic conditions, trade policies, and supply-demand dynamics. Therefore, it is advisable to consult with steel suppliers or monitor market trends to get the most accurate and up-to-date pricing information.
- Q: How are steel coils processed and treated?
- Steel coils are processed and treated through a series of steps to ensure their quality and suitability for various applications. The process begins with uncoiling the steel coil, which involves removing the outer layers of protective wrapping and unwinding the coil. Once uncoiled, the steel is inspected for any defects, such as cracks or uneven surfaces. Next, the steel coil goes through a cleaning process to remove any dirt, oil, or rust present on its surface. This is typically done using a combination of chemical cleaning agents and mechanical scrubbing. After cleaning, the coil is rinsed and dried to prevent any residual moisture from causing corrosion. Once cleaned, the steel coil can undergo various treatments depending on its intended use. One common treatment is pickling, which involves immersing the coil in an acidic solution to remove impurities and scale. This process helps to improve the surface finish and prepares the steel for further processing. After pickling, the coil may be subjected to cold rolling, a process that reduces its thickness and improves its dimensional accuracy. Cold rolling involves passing the steel through a series of rollers at room temperature, gradually reducing its thickness and increasing its strength. This process also improves the surface finish of the steel coil. In some cases, the steel coil may undergo additional heat treatment processes, such as annealing or tempering. Annealing involves heating the coil to a specific temperature and then slowly cooling it, which helps to relieve internal stresses and improve its mechanical properties. Tempering, on the other hand, involves reheating the coil to a lower temperature and then cooling it rapidly. This process enhances the strength and toughness of the steel. Once the desired processing and treatments are complete, the steel coil may be coated or painted to provide additional protection against corrosion or to enhance its aesthetic appearance. Coating processes can include hot-dip galvanizing, electroplating, or applying organic coatings such as paint or powder coatings. Finally, the processed and treated steel coils are typically cut into specific sizes or shapes based on customer requirements. This can be done using various cutting methods such as shearing, slitting, or sawing. Overall, the processing and treatment of steel coils involve a combination of cleaning, pickling, rolling, heat treatment, coating, and cutting processes. These steps are carefully carried out to ensure the quality, strength, and suitability of the steel for its intended applications.
- Q: Is steel framing eco friendly? Why or why not.
- No because unlike the timber in trees, it is not a renewable resource and takes much heat energy to produce.
- Q: I am doing an assignment for my materials class, im not asking for the answer but just some help. I have the assignment finished and handed in but the teacher gave it back with one comment, he asked me to explain the grain growth in steel during hydraulic press bending. Im completely stuck, please help. Thanks.
- Well, I can't answer the question for you because, if the press bending is done cold, the grains will not grow (at least not with normal steel alloys). One wonderful thing about metallurgy is that the real answer is it depends because there are all sorts of weird and unexpected things that can happen. Cold work (which is what press bending is unless it is done hot or the amount of deformation is extraordinary high and fast so the metal heats up a lot locally) adds stored energy (strain energy) which provides one of the driving forces for recrystallization. Recrystallization is not a yes/no process, it is a process that happens as a function of time and temperature. Recrysallization of a cold worked structure will refine the grain size if done properly but the final stage of recrystallization is grain growth and you can end up with a larger grain size than you started with. The other thing that can affect grain structure is the deformation itself. There are all sorts of transformations that can happen due to the deformation process (twinning/martensitic is one) but, again, these don't usually qualify as grain growth. It may be that the question was incomplete, maybe the question is how does the press bending affect the final grain size after a subsequent anneal? The metallurgy of steels is fascinating because there are so many different microstructures that can be produced, hundreds (or thousand) different alloys, equilibrium and non-equilibrium phases based on composition and thermo-mechanical processing. Hope this helps
- Q: I am buying a knife for my future husband for his wedding gift and I was wondering what is better carbon steel or stainless steel?
- The better grade of stainless is the top choice, but it can be hard to find, and expensive. - Surgical scalpels are made of it. (Common '420' stainless will not hold an edge as well as high carbon steel.)
- Q: How are steel coils used in the production of steel brackets?
- Steel coils are used in the production of steel brackets by being fed through a machine that cuts, bends, and shapes the steel into the desired bracket design. The coils provide a continuous supply of raw material, allowing for efficient and high-volume manufacturing of steel brackets.
- Q: I want to make a chess set out of stainless steel, but I'm not sure what type of mold I need or where I can go to have the steel melted and molded for me. Any ideas? I live in Southern, NJ.
- I'll buy one. You'll have to machine it from blocks... You could invest in a milling machine - they are like drill presses and lathes all together and more... If you hook it up to your computer, you can do a CNC milling, where you can get really creative and finely detailed. Stainless is heavy and hard, so it'll go through your bits, and you should use the super duty bits as well. I have always wanted an SS chess set, I made a board out of leather. It's really super awesome, just need your pieces now. Or make mine from Plutonium, or Tungsten Carbide.
- Q: Can steel coils be stored in a humid environment?
- Steel coils can be stored in a humid environment, but it is not ideal. Humidity can cause steel coils to rust and corrode, leading to potential damage or degradation of the steel. It is recommended to store steel coils in a dry and well-ventilated area to protect them from the negative effects of humidity.
- Q: gigantic navy ships made of steel float, why??
- They okorder /... Or use the search bar*. (The question has been answered a thousand and one times). If you do then you will read many answers that push the popular myth that they displace more water than they weigh (as if some unseen 'finger of god' is supplying a mystery force in addition to the vessel's weight). Such 'explanations' cannot be supported by either calculation or experiment and are wishy-washy drively nonsense. So beware of Archimedes' Trolls on this one!
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Color coated galvanized steel rolled coil
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 36 m.t.
- Supply Capability:
- 300000 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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