HOT-ROLLED STEEL COIL WITH HIGH QUALITY NO.1
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 9000 m.t./month
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HOT-ROLLED STEEL COIL
Hot rolled low hardness, easy processing, good ductility.
Available specification：
thickness | width(mm) | length(mm) | coil inside diameter(mm) | |
HOT ROLLED STEEL COIL | 1.5-25 | 600-2000 | 762 | |
HOT ROLLED STEEL STRIP | 1.5-20 | 30-720 | 762 | |
HOT ROLLED STEEL PLATE | 6-700 | 500-4500 | 4000-18000 | |
HOT ROLLED STEELSHEET | 1.2-25 | 50-2000 | 0-18000 |
We can supply customers' with different specifications of the highest quality and lowest price.
Sincerely welcome to contact us for the future details if any item interest you ,and we will make every effort to assure that your requirements will be satisfied ,and we hope to establish long-term business relations with you on the basis of the equality and mutual benefit.
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- Q: What are the different types of steel coil surface defects?
- During the manufacturing or handling process, various steel coil surface defects may arise. Some commonly encountered types are as follows: 1. Rust: When moisture or oxygen comes in contact with the steel coil, rust, a reddish-brown discoloration, may develop on its surface. 2. Scratches: While the steel coil is being handled or transported, superficial marks known as scratches can be incurred. These marks can vary in depth and severity, ranging from light surface scratches to deep gouges. 3. Stains: Exposure to chemicals or other substances can lead to stains, discolored patches that appear on the coil's surface. Removing them may prove to be challenging. 4. Roll marks: During the rolling process, impressions or indentations called roll marks may form. Uneven pressure or misalignment of the rolls causes them, resulting in lines or patterns on the coil's surface. 5. Edge wave: Imperfectly flat edges of the coil can result in a defect known as edge wave. This defect causes the edges to appear wavy or uneven and can impact the coil's overall appearance and performance. 6. Oil spots: If the oil or lubricants utilized in the manufacturing process are not adequately removed, surface defects called oil spots can manifest. These spots appear as dark patches or spots on the coil's surface and may hinder the adhesion of coatings or paints. 7. Pitting: Small, shallow depressions or pits on the coil's surface are indicative of a defect called pitting. Factors like corrosion, uneven cooling, or impurities in the steel can cause this defect. 8. Holes: Holes are severe surface defects that can arise due to various factors, including corrosion, mechanical damage, or manufacturing errors. These defects come in different sizes and can significantly compromise the coil's structural integrity. Promptly addressing these surface defects is crucial for maintaining the quality and performance of the steel coil. Regular inspections, proper handling, and appropriate surface treatments can help minimize the occurrence of these defects.
- Q: What is the role of steel coils in the production of industrial machinery?
- Steel coils play a crucial role in the production of industrial machinery as they are used as raw material for manufacturing various components and parts. These coils are typically cut, shaped, and formed into desired shapes and sizes to create structural frames, panels, gears, shafts, and other vital elements of machinery. The high strength and durability of steel make it an ideal choice for withstanding heavy loads, vibrations, and harsh operating conditions, ensuring the reliability and longevity of industrial machinery.
- Q: How are steel coils processed for heat treatment?
- Steel coils are typically processed for heat treatment by first being cleaned and prepped to remove any contaminants. They are then heated to a specific temperature and held at that temperature for a predetermined amount of time. After the desired heat treatment process is completed, the coils are cooled down gradually to ensure they retain the desired properties.
- Q: How are steel coils used in the shipbuilding industry?
- Steel coils are used in the shipbuilding industry for various purposes, including the construction of the ship's hull, decks, and other structural components. These coils are typically cut, shaped, and welded together to form the desired sections and structures of the ship. Additionally, steel coils are also used for the fabrication of equipment and machinery required for the ship's operation, such as engine components and piping systems. The high strength and durability of steel make it an ideal material for shipbuilding, ensuring the ships are capable of withstanding the harsh marine environment.
- Q: my friend needs sensitive ears....she wants to borrow mine but it says surgical steel,what does that mean?
- Surgical Earrings
- Q: Why cold rolled stainless steel sheet is lower than cold rolled stainless steel coil?
- Kaiping is the flat coil set into common size. A negative tolerance is the actual thickness of the plate, not the thickness of the mark.
- Q: How are steel coils tested for compliance with industry standards?
- To ensure compliance with industry standards, steel coils undergo a series of rigorous quality control measures. These tests are conducted to verify that the coils meet necessary specifications and are suitable for various applications. Among the primary tests performed on steel coils is dimensional inspection. This entails measuring the thickness, width, and length of the coils to ensure they fall within specified tolerances. Any deviations from the required dimensions may indicate manufacturing defects or potential issues during fabrication. Another crucial test is visual inspection, where trained inspectors meticulously examine the coils for surface defects like scratches, dents, or cracks. Identifying and rectifying these defects is essential as they can impact the performance and durability of the steel coils before they are supplied to customers. Additionally, mechanical properties testing is carried out to assess the strength, elasticity, and toughness of the steel coils. This includes conducting tests for tensile strength, yield strength, and elongation measurements. These evaluations help determine if the coils are suitable for specific applications and if they meet the required performance standards. Furthermore, chemical composition analysis is performed to validate the elemental composition of the steel coils. This analysis is crucial as it ensures that the steel meets the required chemical requirements, including the presence of specific alloying elements. Deviations in composition can significantly affect the overall quality and performance of the coils. Corrosion resistance testing is also of great importance, particularly for coils used in environments with high humidity or exposure to corrosive substances. Coils are subjected to simulated real-world conditions, such as salt spray or humidity chambers, to evaluate their resistance to corrosion. Lastly, various non-destructive testing techniques, including ultrasonic testing and magnetic particle inspection, are employed to detect internal defects or discontinuities in the steel coils. These tests assist in identifying any hidden flaws that could compromise the structural integrity of the coils. In summary, steel coils undergo a comprehensive array of tests to ensure adherence to industry standards. By conducting these tests, manufacturers can guarantee that the coils meet the required specifications, thereby providing customers with high-quality products tailored to their specific needs.
- Q: What are the different surface finishes available for steel coils?
- Some of the different surface finishes available for steel coils include hot-dip galvanized, galvannealed, electro-galvanized, and plain.
- Q: How are steel coils used in the manufacturing of automotive exhaust systems?
- Steel coils are used in the manufacturing of automotive exhaust systems as they provide the necessary strength and durability required for this critical component. These coils are typically shaped and formed into various parts such as pipes, mufflers, and catalytic converters, which are then welded together to create the exhaust system. The steel coils also undergo additional processes like coating or galvanizing to enhance corrosion resistance, ensuring the longevity of the exhaust system.
- Q: How are steel coils packaged for shipping?
- Steel coils are typically packaged for shipping by being tightly wound and secured with steel bands or straps. They are then placed on wooden pallets or in steel cradles to ensure stability during transportation. Additionally, protective packaging materials such as plastic or cardboard may be used to prevent damage from moisture, dust, or other external factors.
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HOT-ROLLED STEEL COIL WITH HIGH QUALITY NO.1
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 9000 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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