Cold Rolled steel Coil / Sheet in good quality in China
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 5000000 m.t./month
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Specification
Product Name | Cold Rolled Sheet Coil |
Material | SPCC/SPCD/SPCE/DC01/ST12/ ST14/SPCD/DC03/DC04 ect. |
Grade Standard | JIS G3302, EN10142, ASTM653, ASTM95 |
Thickness | 0.15-3.5mm |
Width | 600mm-1500mm |
Coil ID | 508-610mm |
Coil OD | max 1500mm |
Weight | 3-10 Tons |
Tolerance | Thickness tolerance:+/-0.02mm; Width tolerance:+/-5mm |
Surface | No-skin passed or Skin passed, Tensile leveled |
Surface Treatment | Chromate/Unchromate passivation, fingerprint resistant treatment, oiled/unoiled |
Annual Output | 350,000MT |
Application | Construction, hardware, home applicances, interior decoration |
Characteristics
1. Commercial quality suitable for bending fabrication and simple forming; this is the type in greatest demand.
2. Drawing quality second only to that of SPCEN. Excellent uniformity.
3. Deep-drawing quality.With metallurgically controlled grain size, it retains its beautiful finish even after being deep-drawn.
4. Extra-low-carbon steel sheets with highest workability
Quality of the goods could be guaranteed. The finished product has a variety of excellent capabilities, such as continuous rolling, degreasing, annealing, skin pass, slitting and cut to length line etc. Along with it many rocessing capability and smooth, flat surface. It’s widely used in outdoor and interior decoration, furnishing
- Q: What are the main characteristics of galvanized steel coils?
- The main characteristics of galvanized steel coils include high corrosion resistance, durability, and a shiny, metallic appearance. Galvanized steel coils are coated with a layer of zinc, which acts as a protective barrier against rust and other environmental factors. This coating also enhances the strength and longevity of the steel, making it suitable for various construction and manufacturing applications. Additionally, galvanized steel coils have excellent formability, allowing them to be easily shaped and fabricated into different products.
- Q: Help me compare the speed of sound in air, water, and steel please?Thanks.
- Sound travels fastest in steel and slowest in air. Water is in between. This is because the particles in solids are closer together than the particles in liquids or gases, and the particles in liquids are closer together than the particles in gases. The tighter particles are packed in a space, they collide more frequently. This allows sound, which is simply the combined collisions of particles, to travel fastest in solids. So, to reiterate, sound travels fastest in steel, then water, and slowest in air.
- Q: What are the typical coil thickness options?
- The typical coil thickness options vary depending on the specific application and industry. However, common coil thickness options range from 0.005 inches (0.13 mm) to 0.250 inches (6.35 mm).
- Q: In pounds per square inch what is the tensile strength of strong steel?
- It is refereed to the ultimate tensile strength which is the point at which the specimen of steel fail (rapture) when subjected to a force,measured by unit force divided by cross section of steel.
- Q: What are the different methods of heat treatment for steel coils?
- Steel coils can undergo various heat treatment methods, each offering unique benefits and applications. One method is annealing, where steel coils are heated to a high temperature and gradually cooled in a controlled environment. This relieves internal stresses, enhances ductility, and refines the grain structure, resulting in softer and more machinable steel. Another method, normalizing, is similar to annealing but involves a faster cooling process. It aims to refine the grain structure and achieve uniform hardness throughout the coils. Normalizing also eliminates residual stresses and improves mechanical properties. Quenching and tempering is a two-step process that begins with heating the coils to a high temperature and rapidly cooling them in a quenching medium like oil or water. This creates a hard and brittle phase called martensite. To enhance toughness and reduce brittleness, the coils are reheated to a lower temperature and held there for a specific duration, a process known as tempering. Tempering helps decrease internal stresses and increase ductility and toughness. Case hardening is another method used to increase the surface hardness of steel coils while maintaining a soft and ductile core. This involves heating the coils in a carbon-rich atmosphere, allowing carbon to diffuse into the surface layer. The result is a hard outer layer, known as the case, while the core retains desired mechanical properties. Stress relieving is performed by heating the coils to a specific temperature and holding them there for a sufficient time. This minimizes residual stresses from previous manufacturing or heat treatment processes. Stress relieving improves dimensional stability, reduces the risk of distortion or cracking, and enhances overall performance. The choice of heat treatment method depends on desired properties, intended application, and specific requirements of the end product. Each method has its own advantages and can be customized to achieve the desired balance between hardness, toughness, ductility, and other mechanical properties.
- Q: What are the different methods of coil joining for steel coils?
- There are several different methods of coil joining for steel coils, including welding, laser welding, stapling, and adhesive bonding.
- Q: How do steel coils compare to stainless steel coils?
- Steel coils and stainless steel coils are both used in various industries, but they differ in their composition and properties. Steel coils are typically made from carbon steel, which is strong and durable but susceptible to corrosion. On the other hand, stainless steel coils are made from an alloy of iron, chromium, and other elements, which provides them with excellent corrosion resistance. Stainless steel coils also have a higher resistance to heat and oxidation, making them suitable for applications that require superior durability and hygiene standards. Overall, stainless steel coils are generally considered to be of higher quality and more suitable for applications where corrosion resistance is crucial.
- Q: How are steel coils used in the manufacturing of automotive components?
- Steel coils are used in the manufacturing of automotive components by being processed and shaped into various parts such as body panels, frames, suspension components, and engine parts. The coils are typically cut, formed, and welded to create the desired shape and strength required for each specific component. The use of steel coils allows for the production of durable, strong, and cost-effective automotive parts that meet the industry's high standards for safety and performance.
- Q: How do steel coils contribute to the manufacturing of electrical appliances?
- Steel coils are essential components in the manufacturing of electrical appliances as they are used to create the core of transformers and electromagnets. These coils, made from steel, provide the necessary magnetic field required for the functioning of electrical appliances such as refrigerators, televisions, and washing machines.
- Q: What are the different methods of slitting edge trimming for steel coils?
- There are several different methods of slitting edge trimming for steel coils, each with its own advantages and applications. 1. Rotary Shear Slitting: This method involves using rotary knives to cut through the steel coil. The knives are mounted on a rotating shaft and create a shearing action as they pass through the coil. Rotary shear slitting is a versatile method that can handle a wide range of coil thicknesses and materials. It is commonly used for high-volume production and provides a clean and precise cut. 2. Crush Cut Slitting: In this method, the steel coil is pressed against a hardened anvil by a rotating knife. The knife cuts through the coil by crushing it against the anvil. Crush cut slitting is suitable for thinner gauge materials and is often used for materials that are sensitive to shearing forces. It provides a clean cut but may have limitations in terms of coil thickness and width. 3. Razor Slitting: Razor slitting involves using a razor blade to cut through the steel coil. The blade is mounted on a rotating shaft and creates a slicing action as it passes through the coil. Razor slitting is commonly used for thin and delicate materials that require a precise and burr-free edge. It provides a clean cut but may have limitations in terms of coil thickness and width. 4. Shear Slitting: This method involves using a pair of opposing blades to shear through the steel coil. The blades move past each other to create a scissor-like cutting action. Shear slitting is commonly used for heavier gauge materials and provides a clean and precise cut. It is suitable for high-speed production and can handle a wide range of coil thicknesses and materials. 5. Laser Slitting: Laser slitting utilizes a high-powered laser beam to cut through the steel coil. The laser beam is guided by computer-controlled optics to create a precise and clean cut. Laser slitting is suitable for a wide range of coil thicknesses and materials, including high-strength steels. It provides a high level of accuracy and can handle complex cutting patterns. Each of these methods has its own advantages and considerations, depending on the specific requirements of the steel coil slitting operation. Factors such as coil thickness, material type, desired edge quality, and production volume will influence the choice of slitting method.
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Cold Rolled steel Coil / Sheet in good quality in China
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 5000000 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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