SPCC Cr Coil/Cold Rolled Steel Coil for Building
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 50000 m.t./month
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OKorder Financial Service
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Specification
SPCC CR Coil Cold Rolled Steel Coil for building
1.Cold Rolled Steel Coil
1.Thickness:0.18-1.8mm
2.Width:700-1300mm
3.Length:as your need
4.Inner Diameter: 508mm
5.Weight of Steel Coil: 3-15MT
6.Heat Treatment: Annealed
7.Surface Quality: FB&FC
8.Surface Status: SB & SD
9.Surface Treatment: Oiling,unoil,dry,chromate passivated, non-chromate passivated
10.Standard:AISI, ASTM, BS, DIN, GB, JIS
11.Grade;SPCC/SPCD/SPCE/ST12-15/DC01-06.
12.Delivery time:15-20days after receipting the advance payment.
13.Package: Standard export packing or as your requested.
14.Technique: Cold rolled.
15.Application:Widely used in ships, automobiles, bridges, buildings, machinery, etc
16.Price terms: FOB CIF CFR
17.Payment : T/T or L/C at sight
18.Samples are available
2.Product Image
3.Packing and Delivery
Delivery time:15-20days after receipting the advance payment.
Package: Standard export packing or as your requested.
Technique:Surface Treatmentunoil,dry,chromate passivated, non-chromate passivated
Application:Widely used in ships, automobiles, bridges, buildings, machinery, etc
- Q: What are the different types of steel coil surface coatings?
- Steel coils can be enhanced in terms of durability, corrosion resistance, and aesthetic appearance through the use of various types of surface coatings. The most commonly employed coatings are as follows: 1. Zinc Coatings: These are widely utilized to safeguard steel against corrosion. A layer of zinc is applied to galvanized steel coils, acting as a barrier against moisture and other environmental elements. 2. Galvannealed Coatings: This type of coating combines zinc and iron, providing improved corrosion resistance and enhancing paint adhesion. It is ideal for applications that require painting. 3. Aluminum Coatings: Aluminum coatings are employed to achieve a lightweight and corrosion-resistant surface. Steel coils coated with aluminum are frequently utilized in the automotive industry for body panels and other parts that require high strength and corrosion resistance. 4. Organic Coatings: Organic coatings, typically in the form of paint or powder coatings, offer protection against corrosion. They also provide a wide range of color options for aesthetic purposes. In the construction industry, they are commonly used for roofing and cladding applications. 5. Metallic Coatings: Metallic coatings such as tin, nickel, and chromium can be applied to steel coils to confer specific properties, such as improved electrical conductivity, increased hardness, or enhanced resistance to wear and tear. 6. Ceramic Coatings: Ceramic coatings are employed to achieve high-temperature resistance and thermal barrier properties. They find application in situations where steel coils are exposed to extreme heat or in industrial processes that require thermal insulation. Each type of coating possesses unique properties and advantages, and the selection of a suitable coating depends on the specific requirements of the application. Manufacturers and engineers carefully consider factors such as cost, durability, corrosion resistance, and aesthetic appeal when deciding on the appropriate coating for steel coils.
- Q: How do steel coils contribute to the HVAC ductwork industry?
- The HVAC ductwork industry relies heavily on steel coils as they are essential for creating ducts. These coils, typically made from galvanized steel, offer numerous advantages in this industry. First and foremost, steel coils are known for their durability and longevity, making them perfect for constructing HVAC ductwork. They can withstand high temperatures, pressure, and exposure to various environmental elements. This durability ensures that the ducts made from steel coils can effectively transport air for long periods without deteriorating or compromising their structural integrity. Moreover, steel coils are highly flexible and can be easily manipulated during the fabrication process. HVAC ductwork often requires customization to fit specific building layouts and designs. Steel coils can be effortlessly cut, bent, and shaped without sacrificing their strength. This flexibility allows for the production of ducts in different sizes, shapes, and configurations to meet the unique requirements of various HVAC systems. Additionally, steel coils provide excellent resistance to corrosion and fire. The galvanized coating on the steel surface acts as a protective layer, preventing rust and corrosion caused by moisture or chemical reactions. This corrosion resistance ensures that the ductwork remains functional and safe for an extended period. Furthermore, steel coils contribute to energy efficiency in the HVAC ductwork industry. The smooth surface of steel coils reduces air friction and turbulence within the ducts, resulting in smoother airflow and reduced energy loss. This improved energy efficiency leads to cost savings for building owners and occupants, as it reduces the amount of energy required to maintain a comfortable indoor environment. Finally, steel coils are readily available and cost-effective, making them a popular choice for HVAC ductwork fabrication. The market offers a wide supply of steel coils, ensuring efficient production and installation of ductwork systems. Additionally, their cost-effectiveness makes them an economical option for both small and large-scale HVAC projects. In conclusion, steel coils play a crucial role in the HVAC ductwork industry by providing a durable, flexible, corrosion-resistant, energy-efficient, and cost-effective material for duct fabrication. These unique properties ensure the construction of high-quality ductwork systems that effectively distribute air in buildings, promoting optimal comfort and functionality.
- Q: How are steel coils inspected for paint adhesion using adhesion testers?
- Steel coils are inspected for paint adhesion using adhesion testers in a systematic and rigorous manner. Adhesion testers are devices specifically designed to evaluate the bond strength between the paint and the underlying steel surface. The inspection process begins by selecting representative samples from the steel coils. These samples are usually cut into smaller sections, ensuring that they are free from any defects or surface irregularities that could affect the adhesion test results. Once the samples are prepared, the adhesion testers are employed to measure the force required to detach the paint coating from the steel surface. The most commonly used adhesion tester is the cross-cut adhesion tester. This device consists of a set of blades arranged in a grid pattern. The blades are used to create a series of cuts through the paint coating down to the steel surface, forming a grid of squares or rectangles. After the cuts are made, a specialized tape is applied to the grid area and pressed firmly onto the surface. The tape is then rapidly pulled off at a 90-degree angle to the surface. The force required to remove the paint coating from the steel is measured and recorded. The results of the adhesion test are evaluated based on predetermined standards or specifications. These standards typically define the minimum acceptable adhesion strength for the specific application or industry. If the measured adhesion strength falls below the specified threshold, it indicates poor paint adhesion, which could lead to issues such as paint delamination or corrosion. In addition to the cross-cut adhesion tester, other adhesion testing methods may also be used, such as the pull-off adhesion tester, where a hydraulic or mechanical device applies a tensile force to a small circular or dolly-shaped test area. The force required to pull off the dolly is measured and used to assess the paint adhesion. Overall, the use of adhesion testers ensures that steel coils are thoroughly inspected for paint adhesion. This helps to identify any potential adhesion issues early on, allowing for appropriate remedial measures to be taken to ensure the longevity and performance of the paint coating.
- Q: it has 2 be 20 inches overall, and 2and1/2 inches wide and .25 or more inches thick... im thinking truck steel but im not sure thx
- I made mine from a power hack saw blade. Granted it isn;t a quarter inch thick but it sure works well. Used the tooth part for the blade edge, just ground off the teeth. I can use a hammer or a stone on he back side of the blade to chop through the bone when cleaning deer.
- Q: an 18k steel and gold, screw style bracelet how much would it be worth?
- Steel does not come in an 18k version and is worth only about $1.50/pound. 18k gold (.750 or 75% pure) is currently worth about $40.20/gram, based on the spot price of gold of $1,667/ounce at this moment.
- Q: Why is steel a stiff material?I'm doing a project on the use of steel in the construction of skyscrapers - and obviously, for the inner steel skeleton of a skyscraper the steel support beams and girders will have to be stiff so that they don't fall apart or the building doesn't shake due to wind or other natural forces.But in my research I've found that steel (mild steel to be more exact) is ductile and malleable, meaning it can be shaped fairly easily. However, how can steel ALSO be stiff - the definition of stiffness is the tendency to withstand bending and stretching - so my question is. How can this material be BOTH ductile/malleable, AND stiff? and why? :)Thank you in advance if anyone takes the time to answer this, would be appreciated - I'll give you 10 points straight away if the answers conclusive
- To say that steel can be bent and shaped fairly easily isn't quite true. It takes multiple tons of force to do so, requiring some very heavy machinery. I think you're confusing a couple of concepts. For example the idea of elastic modulus, versus rigidity Rigidity is the ability of a structure to resist a load. That depends not only on the elastic modulus, but on the size and design of the structure or object. You can build fairly rigid structures out of wood. For example roller coasters. Even though wood has a much lower elastic modulus than steel, meaning that it takes much less force to bend and deform a given sample of wood.
- Q: So, I'm doing this project for my chemistry class and I need to explain the raw materials in which paper slips are made of. I'm not really sure if galvanized steel is. If not, can someone PLEASE tell me what raw materials are metal paper clips made of???
- For paperclips, the raw material is steel wire. The company that makes paperclips does not smelt iron, they buy the steel wire at the diameter they want it and they feed it into automated machines that bend the wire and cut it to length. If you want to go back into the whole supply chain, then you are looking at a mine that digs iron ore from the ground. The iron ore (Taconite is one of the minerals but there are others) is sent to a smelter that combines the ore with coke (roasted coal) and oxygen in a huge furnace. They may probably add steel scrap, and continuously cast it into bar. good luck
- Q: Can steel coils be customized in terms of size and specifications?
- Certainly! Steel coils can indeed be personalized in terms of size and specifications. Although steel coils are normally produced in standard sizes and specifications, they can be customized to fulfill particular requirements based on the customer's preferences. Customization may involve altering the dimensions of the coils in terms of width, length, and thickness, as well as modifying specifications such as the type of steel, surface finish, and coating. Through this process, steel coils can be tailored to suit various applications and industries, ensuring that they meet the specific requirements and performance standards of customers. Industries such as automotive, construction, manufacturing, and appliances often utilize customized steel coils, as precise sizes and specifications are essential for efficient and effective operations.
- Q: How are steel coils used in the production of pipes and tubes?
- Steel coils play a crucial role in the manufacturing of pipes and tubes. They serve as the primary material for shaping the cylindrical structure of these products. The process begins by unrolling the coils and feeding them into a pipe or tube mill, where a series of manufacturing procedures take place. Initially, the steel coils are unwound and straightened to eliminate any bends or twists. Subsequently, the edges of the coils are trimmed to ensure a smooth and even surface, a technique referred to as slitting. Following this, the coils are passed through a forming machine, which bends them into the desired shape. For pipes, the coils are shaped into a circular form, whereas tubes can be molded into different configurations like square, rectangular, or oval. Once the coils have been shaped, they are welded together along their length to create a continuous pipe or tube. This welding process can be accomplished using a variety of techniques, such as high-frequency induction welding, electric resistance welding, or submerged arc welding. After the welding process is complete, additional procedures may be carried out on the pipes or tubes to enhance their properties. These procedures may involve heat treatment, like annealing or quenching, to improve strength or hardness. Finally, the pipes or tubes are cut to the desired length and may undergo further finishing processes, such as straightening, polishing, or coating, depending on their intended application. In summary, steel coils serve as the foundational material in the production of pipes and tubes. They are unrolled, straightened, and molded into the desired shape before being welded together to create a continuous product. Additional processes can be applied to improve the properties and meet specific requirements of the pipes or tubes.
- Q: How are steel coils inspected for camber?
- Steel coils are inspected for camber by using a straight edge or a camber gauge, which is placed on top of the coil to measure any deviation from straightness. The operator checks the distance between the straight edge and the coil at various points along its length to determine the amount of camber present.
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SPCC Cr Coil/Cold Rolled Steel Coil for Building
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 50000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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