Cold rolled steel coil / sheet in good quality
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 5000000 m.t./month
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The raw material of cold rolled steel coil/sheet is high quality hot rolled product, and after pickling, kinds of new technology and new process of global cold rolling production have been applied. Therefore the manufacturing, home appliance, automobile etc. 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
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
- Q: How are steel coils inspected for surface cleanliness during processing?
- Steel coils are inspected for surface cleanliness during processing through various methods such as visual inspection, magnetic particle inspection, and ultrasonic testing. These techniques help identify any contaminants, defects, or surface irregularities that may be present on the coils, ensuring their quality and suitability for further processing or use.
- Q: What is the type of stainless steel used in knifes.
- There okorder / Stainless steel doesn't make the best knife blade. It doesn't sharpen as sharp or hold its edge as well. High carbon steel is better, but it rusts and discolors very easily so it's not as popular. A new thing (actually not new but popular these days) is to use a 'sandwich' of high carbon steel between two layers of stainless. So the actual edge is high carbon steel but the blade looks like stainless. I have some kitchen knives made this way (kind of expensive) and I love them. This same technique was used in Japanese katanas, swords used by samurai warriors.
- Q: What are the different types of welding used for steel coils?
- There are several different types of welding used for steel coils, depending on the specific requirements and applications. Here are some of the most common types of welding techniques used for steel coil fabrication: 1. Shielded Metal Arc Welding (SMAW): Also known as stick welding, it involves the use of a flux-coated electrode and an electric current to create an arc between the electrode and the base material. SMAW is a versatile and widely used welding technique suitable for various steel coil applications. 2. Gas Metal Arc Welding (GMAW): Commonly known as MIG (Metal Inert Gas) welding, GMAW uses a continuous wire electrode and a shielding gas to protect the weld pool from atmospheric contamination. GMAW is known for its high welding speed and ease of automation, making it a popular choice for steel coil manufacturing. 3. Flux-Cored Arc Welding (FCAW): Similar to GMAW, FCAW uses a tubular electrode with flux inside. The flux provides both the shielding gas and additional alloying elements, resulting in increased efficiency and improved weld quality. FCAW is often used in high-speed welding applications for steel coils. 4. Gas Tungsten Arc Welding (GTAW): Also known as TIG (Tungsten Inert Gas) welding, GTAW uses a non-consumable tungsten electrode and an inert gas, typically argon, to shield the weld area. GTAW produces high-quality, precise welds with excellent control over the heat input, making it suitable for thin steel coil materials and critical welding applications. 5. Submerged Arc Welding (SAW): This welding technique involves the use of a continuously fed wire electrode and a granular flux that covers the weld area. The arc is submerged under the flux, providing excellent protection and reducing the need for post-weld cleaning. SAW is commonly used for welding thick steel coils due to its high deposition rates and deep penetration capabilities. These are just a few examples of the different types of welding techniques used for steel coil fabrication. The choice of welding method depends on factors such as the specific steel grade, thickness, desired weld quality, production speed, and cost considerations. It is essential to select the appropriate welding technique to ensure the durability and performance of the steel coils in various applications.
- Q: What are the different types of steel coil storage systems used during processing?
- There are several types of steel coil storage systems commonly used during processing, including coil racks, coil saddles, coil cradles, coil pads, and coil blocks. These systems are designed to safely store and handle steel coils, ensuring efficient processing operations and minimizing the risk of damage or accidents.
- Q: How are steel coils used in the manufacturing of industrial mixers?
- Steel coils are used in the manufacturing of industrial mixers as they are typically used to construct the main body and structural components of the mixer. The coils are formed into the desired shape and size, providing strength, durability, and stability to the mixer, allowing it to withstand the rigorous mixing processes involved in industrial applications.
- Q: I also heard Stainless holds up better againts rust, blue steel needs more care.
- They have different properties. Bluing on steel is a surface treatment that helps inhibit rust, but doesn't prevent it. It will wear off with use over time, but can be redone. Stainless steel refers to a particular type of steel alloy, usually incorporating nickel and chromium, that is highly resistant to rust on its own, so doesn't need a surface treatment. Because the steel itself is what is rust resistant, that property can't wear off. All other things held equal, the carbon steel that bluing is typically applied to tends to be slightly more rigid and brittle than stainless steel. It may hold an edge better than stainless. In most applications, those differences are small enough not to matter for practical purposes. For example, both knives and guns are made with blued steel and stainless steel. Which a person gets is usually a matter of preference (unless you're, say, a professional restaurant chef whose knives have to hold a fine edge through constant hard use).
- Q: How is the demand for steel coils influenced by the construction sector?
- The demand for steel coils is heavily influenced by the construction sector. As construction activities increase, so does the demand for steel coils as they are essential for various construction applications such as structural components, roofing, and reinforcing materials. Conversely, when construction activities decline, the demand for steel coils also decreases. Therefore, the construction sector plays a crucial role in driving the demand for steel coils.
- Q: What are the different methods of coil slitting for precision cuts?
- There are several methods of coil slitting for precision cuts, including rotary slitting, loop slitting, and double knife slitting. Rotary slitting involves using a circular blade to cut through the coil, while loop slitting utilizes a looping mechanism to create tension and then cuts the coil with a straight blade. Double knife slitting, on the other hand, employs two blades that move in opposite directions to cut the coil. These methods enable precise and efficient cutting of coils into narrower strips for various industrial applications.
- Q: What are the challenges in coil leveling for high-strength steel?
- One of the main challenges in coil leveling for high-strength steel is the material's inherent strength and hardness. High-strength steel is designed to have superior mechanical properties, which can make it difficult to manipulate and flatten during the leveling process. The high tensile strength and increased yield strength of the steel can cause it to resist deformation, leading to springback or permanent deformation issues. Additionally, the increased hardness of the steel can put more strain on the leveling equipment, potentially leading to wear and tear. Proper equipment selection, precise control of leveling parameters, and advanced process monitoring techniques are required to overcome these challenges and achieve accurate and consistent coil leveling results for high-strength steel.
- Q: How are steel coils inspected for camber?
- To ensure the quality and suitability of steel coils for further processing, various methods are employed to inspect their camber. One commonly used approach is visual inspection, where trained inspectors carefully examine the coils for any visible indications of camber. They search for any deviations from a perfectly straight surface, such as bows or curves, which serve as signs of camber. Another method involves the use of specialized equipment, including straightedges, measuring tapes, and laser devices. Inspectors place the straightedge along the length of the coil to assess any gaps or spaces between the coil and the straightedge. If a significant deviation is detected, it signifies the presence of camber. Measuring tapes are also utilized to measure the distance between the coil and the straightedge at multiple points along its length. This enables inspectors to ascertain the extent of camber and determine if it falls within acceptable tolerance limits. In some cases, laser devices are employed to provide a more precise measurement of camber. These devices emit a laser beam that reflects off the surface of the coil and is subsequently analyzed to determine the presence and magnitude of camber. Furthermore, advanced technologies such as computer vision systems and artificial intelligence algorithms are now being integrated into the inspection process. These technologies have the capability to analyze images or videos of the steel coils and automatically detect any camber, thereby delivering accurate and efficient inspection results. In conclusion, the inspection of steel coils for camber involves a comprehensive approach that combines visual inspection, manual measurements using straightedges and measuring tapes, and the utilization of advanced technologies. This multifaceted approach ensures effective detection and control of camber, thereby upholding the quality and integrity of the steel coils.
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Cold rolled steel coil / sheet in good quality
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 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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