Alloyed Steel Billets or Blooms Manufactured by Continue Casting Furnace
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 10000 m.t./month
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Alloyed Steel Billets or Blooms Manufactured by Continue Casting Furnace
1.Structure of Alloyed Steel Billets or Blooms Manufactured by Continue Casting Furnace
Steel Billets Manufactured by Continue Casting is the raw material of all kinds of steel mill. Billet section of square, round, flat, rectangular and abnormity, etc Several, mainly related to shape of rolled products. Simple rolled section steel, choose cross section of square billet or rectangular billet. rolling The sector products such as flat steel, Angle steel, select the rectangular billet or slab. Had better profiled billet when production beams, channels, and in rolling process Lines and improve the yield. The raw material of round billet is the production of seamless tube.
2.Main Features of Alloyed Steel Billets or Blooms Manufactured by Continue Casting Furnace.
Steel Billets Manufactured by Continue Casting section size should meet the requirements of rolling deformation and finished product quality, but also roll strength and biting condition of restrictions. General steel Billet section height H. And the roll diameter D The ratio of the ( namely H/D) Should be less than or equal to zero 0.5 . Length of steel billet by finishing temperature, Rolling time and the length of the product Or times ruler. When heated too long accident prone to bump the furnace wall of steel, too short, furnace bottom utilization rate is not high, influence the heating furnace production. For the production Choose a variety of steel and steel billet, should consider the affinities of billet, as far as possible in order to improve the productivity of the roughing mill, simplify the stock management of workshop.
There are three shapes of the steel billets: square billet, slab, rectangular billet The Chinese billet, rectangular billet is mainly suitable for rolling hot rolled strip, building reinforced bar, Ordinary wire, high speed wire rod and various small profile. Of the slab are mainly used for rolling plate and hot coil sheet.
3. Alloyed Steel Billets or Blooms Manufactured by Continue Casting Furnace Images
4. Alloyed Steel Billets or Blooms Manufactured by Continue Casting Furnace Specification
Steel Billets Manufactured by Continue Casting rolled steel, after processing can be used for mechanical parts, forging parts, processing all kinds of steel, steel Q345B channel steel, wire rod is the role of the billet. Steel billet is used in the production of semi-finished products, generally cannot be used directly for the society. Steel billets and steel are strictly divided into standard, cannot decide to whether the business enterprise of the final product, and according to unified standards to perform the whole society. Typically, billet and the steel is relatively easy to distinguish, but for some steel billet, and have the same specification and same steel purposes (such as rolling tube billet), whether can be used for other industries, whether through steel processing process, whether through a finished product rolling mill processing to distinguish
Material standard The editor Range of thickness: 150-240 - mm + / - 5 mm width range: 880-1530 - mm + / - 20 mm Length: 3700-10000 - mm + / - 500 - mm Cross-sectional size: 64 * 64; 82 * 82; 98 * 98; 124 * 124; 120 * 150; 152 * 164; 152 * 170 mm Length: 9000 mm Section of tolerance: billet: 1.0 + / - 2.0-1.0 + / - 1.0 mm slab: width: + / - 2.0 mm thickness: + / - 3.0 mm The length tolerance: + / - 200 mm Section diagonal tolerance: 3.5-8.0 MM Billet section size protrusions requirements: < 1242 mm, do not allow; > = 1242 mm, < = 2 mm 1242 mm, < = 3 mm Beheading (shear) extension deformation: < 1242 mm billet: no control; The slab: < = 15 mm Surface tilt: no more than billet section 0.1 Bending: every 1 m length is not more than 10 mm The distortion: length < = 5 m, < = 11. ; The length of the < = 7.5 M, < = 5. Material % 3 sp/PS chemical composition: C Mn Si S P
5.FAQ of Alloyed Steel Billets or Blooms Manufactured by Continue Casting Furnace
We have organized several common questions for our clients，may help you sincerely：
①How about your company？
A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.
②The causes of surface transverse crack and prevent method have?
Transverse cracks in the slab vibration mark the surface of the inner arc wave trough, is usually not hidden, crack depth can be up to 7 mm, width is 0.2 mm.Cracks in the existing body of the mesh area.The cause of general is disorder caused by the continuous casting process control.Such as: vibration mark too deep, Al, N content in steel, prompting particle (A1N) in the grain boundary precipitates, induced transverse crack;Billet straightening within the range of brittleness temperature 700 ~ 900 ℃;Secondary cooling is too strong, and so on. Continuous casting process and some measures to prevent the transverse crack in general are: mold using high frequency small amplitude;With smooth and weak cooling, secondary cooling and make the slab surface temperature greater than 900 ℃;Mould liquid level is stable, and USES the good lubrication performance, low viscosity of protecting slag. In general, M - EMS has little effect on the transverse crack, but the end of the electromagnetic stirring (F - EMS) can make the slab surface temperature picks up, can make the transverse crack caused by vibration mark (small) in the next row, especially the air cooling zone, not force and continue to expand, especially for casting machine technology of straightening temperature may be lower than 900 ℃, more degradation effect
③What is the advantage of the continue Casting steel billet comparing to the die casting steel billet?And how is the process?
Compared with die casting, continuous casting has the advantages of: 1. To simplify the Steel billet The production process 2. Improve the metal yield 3. Improve the quality of the billet 4. Reduces the steel worker's labor intensity 5. Save energy and reduce consumption
Steel billet is produced by the method of through three processes: It is through the steelmaking system of continuous casting equipment, directly by the molten steel pouring into billet; The second is the steelmaking system in the production of steel ingot casting billet through system of steel rolling rolling equipment or processing of steel semi-finished products; Three is the steelmaking system production of steel ingot by forging the semi-finished product processing equipment.
- Q: How are steel billets inspected for surface defects?
- Steel billets are inspected for surface defects using various methods and techniques to ensure the quality and integrity of the material. One common method is visual inspection, where trained inspectors carefully examine the surface of the billets for any visible defects such as cracks, scratches, pits, or uneven surfaces. They use proper lighting and magnification tools to thoroughly inspect the entire surface area. Another method used is dye penetrant testing. In this technique, a liquid dye is applied to the surface of the billets, which is then allowed to seep into any cracks or defects. After a specified time, excess dye is removed, and a developer is applied. The developer draws out the dye from any defects, making them clearly visible and easy to identify. Magnetic particle inspection is another widely used method. In this process, the billets are magnetized, and iron particles are applied to the surface. Any surface defects disrupt the magnetic field, causing the iron particles to gather around the defect, making them clearly visible upon inspection. This technique is particularly effective for detecting defects such as surface cracks. Ultrasonic testing is also commonly employed for inspecting steel billets. High-frequency sound waves are transmitted through the material, and any surface defects or internal flaws cause reflections or echoes. These reflections are detected and analyzed, providing information about the size, location, and type of defect present. Additionally, eddy current testing can be used to inspect steel billets for surface defects. This method involves passing an alternating current through a probe that is placed near the surface of the billet. Any defects or variations in the material's conductivity cause changes in the eddy currents, which can be detected and analyzed to identify surface defects. Overall, steel billets undergo meticulous inspection using a combination of visual, dye penetrant, magnetic particle, ultrasonic, and eddy current testing methods to ensure that any surface defects are identified and addressed, guaranteeing the quality and reliability of the final product.
- Q: What are the safety measures involved in handling steel billets?
- To ensure the well-being of workers and prevent accidents while handling steel billets, it is necessary to adhere to several important safety measures. These measures include the use of Personal Protective Equipment (PPE), proper training, regular equipment inspection, secure storage, adequate lighting, maintaining floor conditions, clear communication, and emergency preparedness. 1. Personal Protective Equipment (PPE): Workers must wear appropriate PPE, such as safety goggles, gloves, steel-toed boots, and helmets. This equipment provides protection against potential hazards like sharp edges, flying debris, and falling objects. 2. Training: Workers involved in handling steel billets should receive proper training on safe lifting techniques, handling procedures, and the use of equipment like cranes or forklifts. This knowledge helps minimize the risk of musculoskeletal injuries and accidents caused by improper handling. 3. Equipment Inspection: It is crucial to regularly inspect equipment like cranes, hoists, and lifting slings to ensure their proper functioning. Any defects or malfunctions should be promptly reported and repaired to prevent accidents. 4. Secure Storage: Steel billets should be stored securely and in an organized manner to prevent falls or tipping over. Proper racking systems and storage areas should be used to ensure stability and prevent accidents due to falling objects. 5. Adequate Lighting: Good lighting is essential in the working area to ensure clear visibility and prevent accidents caused by tripping or colliding with objects. 6. Floor Conditions: The floor should be kept clean and free from hazards such as oil spills or debris, which can cause slips, trips, or falls. Regular cleaning and maintenance are necessary to maintain a safe working environment. 7. Communication: Clear communication among workers involved in handling steel billets is crucial to prevent accidents. Coordination through signals, hand gestures, or the use of radios or other communication devices can help avoid collisions or accidents. 8. Emergency Preparedness: Adequate emergency preparedness measures, like fire extinguishers, first aid kits, and evacuation plans, should be in place. Workers should be trained in emergency procedures to ensure a swift and safe response in case of an incident. By following these safety measures, the risks associated with handling steel billets can be minimized, creating a safer work environment for all involved.
- Q: How are steel billets used in the manufacturing of shipbuilding parts?
- The manufacturing of shipbuilding parts heavily relies on steel billets, which are vital in this process. These billets are essentially semi-finished steel products, usually in the form of rectangular or square bars, and are utilized as raw material for further processing in shipbuilding. To initiate the process, steel billets undergo rolling, where they pass through a series of rollers to decrease their cross-sectional area and increase their length. This rolling process converts the billets into elongated, slender sections of steel known as plates or sheets. These plates or sheets are then employed to fabricate diverse shipbuilding components, including hulls, decks, bulkheads, and superstructures. After the rolling process, the steel plates or sheets are cut into desired sizes and shapes using cutting machines or torches. These cut pieces are subsequently molded, bent, and welded together to form the necessary shipbuilding parts. For example, the steel plates can be bent and welded to create curved sections for the ship's hull, or they can be shaped into intricate forms for other components. Furthermore, steel billets are also utilized in the production of forged shipbuilding parts. In this scenario, the billets are heated to high temperatures and then subjected to intense pressure to reshape the steel. This forging process results in shipbuilding parts that are stronger and more durable, often used for critical components such as propeller shafts, crankshafts, and turbine blades. In conclusion, steel billets serve as the starting point in the manufacturing of shipbuilding parts. Through processes such as rolling, cutting, molding, and forging, these billets are transformed into plates, sheets, and forged components, all of which are crucial in constructing the various structural and functional elements of ships.
- Q: How are steel billets used in the manufacturing of pressure vessels?
- Pressure vessels require steel billets as a necessary part of their manufacturing process. These metal products are in a semi-finished state and are typically made through casting or extrusion. The billets are molded into a solid square or rectangular shape to ensure consistent and uniform material for further processing. To initiate the manufacturing process, the steel billets are heated to a specific temperature, making them more malleable and easier to handle. Once heated, they are placed into a forging machine, where intense pressure and shaping take place. This forging process effectively eliminates any defects or inconsistencies in the billet's structure, resulting in a stronger and more durable material. After the forging stage, the steel billets undergo additional processing using different techniques like rolling or machining. These techniques are employed to achieve the desired dimensions and shape required for pressure vessel fabrication. By refining the billet's surface finish and improving its mechanical properties, these techniques enhance the overall quality of the billet. Once the billets have been shaped and processed, they are cut into smaller sections that serve as the foundation for constructing pressure vessels. These sections are welded together to form the vessel's shell, ensuring a secure and tight seal to contain high-pressure fluids or gases. The use of steel billets in pressure vessel manufacturing is critical due to their superior strength, durability, and resistance to high-pressure environments. The uniformity and consistency of the billets provide a reliable material for fabricating vessels that can endure extreme conditions, guaranteeing the safety and integrity of the contents within. In conclusion, steel billets play a crucial role in the manufacturing of pressure vessels by providing the core components for constructing the vessel's shell. Through a series of heating, forging, and processing techniques, the billets are transformed into robust and enduring sections that are then welded together to form the final vessel. The utilization of steel billets ensures the structural integrity and dependability of pressure vessels, making them suitable for a wide range of industrial applications.
- Q: What are the main factors affecting the electrical conductivity of steel billets?
- The electrical conductivity of steel billets is primarily influenced by several key factors. 1. Composition: The chemical composition of steel, particularly the presence of alloying elements, significantly affects its electrical conductivity. Elements such as carbon, manganese, silicon, and phosphorus can alter the conductivity properties of steel. 2. Impurities: The presence of impurities in steel, such as sulfur and oxygen, can lower its electrical conductivity. These impurities can create barriers to the flow of electric current within the material. 3. Grain structure: The grain structure of steel, which is influenced by factors like temperature and cooling rate during the manufacturing process, can impact its electrical conductivity. A fine-grained structure generally results in higher conductivity due to the presence of fewer barriers to electron flow. 4. Heat treatment: The heat treatment process applied to steel billets can affect their electrical conductivity. Specific heat treatments, such as annealing or quenching, can modify the microstructure of the material and consequently impact its conductivity. 5. Temperature: Temperature has a significant effect on the electrical conductivity of steel billets. Generally, as temperature increases, the conductivity decreases due to increased thermal vibrations that impede the flow of electrons. 6. Surface conditions: The surface condition of steel billets, including the presence of oxides, scale, or contaminants, can influence their electrical conductivity. A clean and smooth surface promotes better conductivity by reducing any barriers to electron flow. 7. Mechanical stress: The presence of mechanical stress or strain in steel billets can affect their electrical conductivity. Deformation caused by processes such as rolling, forging, or bending can alter the material's crystal structure and introduce dislocations, which can impact conductivity. Overall, the electrical conductivity of steel billets is a complex property that is influenced by various factors such as composition, impurities, grain structure, heat treatment, temperature, surface conditions, and mechanical stress. Understanding and controlling these factors is crucial for ensuring the desired electrical conductivity in steel billets for various applications.
- Q: How do steel billets contribute to the manufacturing of rail and transportation systems?
- Steel billets are an essential component in the manufacturing of rail and transportation systems. These billets serve as the raw material for the production of various components used in the construction of railways, such as rails, sleepers, and fasteners. One of the primary uses of steel billets in rail manufacturing is for the production of railway tracks. Steel billets are first heated and then rolled into long, slender sections called rails. These rails are then further processed and treated to withstand the heavy loads and constant wear and tear experienced in railway operations. The durability, strength, and resistance to deformation of steel make it an ideal material for railway tracks, ensuring safe and efficient transportation. Steel billets also play a vital role in the manufacturing of sleepers or railroad ties, which are used to support the rails and maintain their alignment. These sleepers, typically made from prestressed concrete or wood, require reinforcing bars made from steel billets to enhance their strength and structural integrity. Additionally, steel billets are used to produce fasteners, such as bolts, clips, and spikes, which are crucial for securely fastening rails to sleepers and maintaining track stability. Moreover, steel billets are used in the production of various transportation system components, including chassis, frames, and suspension systems for trains, trams, buses, and other vehicles. Their high strength and excellent formability make steel billets an ideal choice for these applications, as they can withstand the heavy loads and provide structural integrity necessary for safe and reliable transportation. In summary, steel billets play a significant role in the manufacturing of rail and transportation systems. From the production of railway tracks to the fabrication of sleepers, fasteners, and vehicle components, steel billets provide the necessary strength, durability, and structural integrity required for the efficient and safe operation of railways and transportation systems.
- Q: How are steel billets used in the manufacturing of pipeline systems?
- The manufacturing process of pipeline systems relies heavily on steel billets. These billets are essential as they serve as the primary raw material for shaping and forming various pipeline components, including pipes, fittings, and connectors. To initiate the manufacturing process, the steel billets undergo heating to a specific temperature, making them malleable and easier to manipulate. Subsequently, they pass through a series of rolling mills, gradually taking on the desired form and size. This hot rolling process entails applying high pressure to elongate and shape the billets into long cylindrical pipes. Once the initial shaping is complete, the pipes undergo additional processes, such as heat treatment, cutting, and welding, to ensure their strength, durability, and dimensional accuracy. The steel billets used in this process are of utmost importance as they provide the necessary raw material for producing high-quality pipes that can withstand the demanding conditions of pipeline systems. Furthermore, steel billets also play a crucial role in the manufacturing of various pipeline fittings and connectors. By employing techniques like forging, machining, or casting, these billets are shaped and formed into fittings like elbows, tees, reducers, and flanges. These fittings are essential for connecting and joining pipes together, facilitating the proper flow and distribution of fluids or gases within the pipeline system. In conclusion, steel billets are indispensable in the manufacturing of pipeline systems. They serve as the raw material for pipes, fittings, and connectors, guaranteeing the production of durable and high-quality components. Through processes such as hot rolling, heat treatment, cutting, and welding, these billets meet the stringent requirements of pipeline systems.
- Q: What are the potential applications of steel billets in the automotive industry?
- Steel billets have a wide range of potential applications in the automotive industry. They can be used in the production of various components such as engine parts, chassis, suspension systems, and body panels. Steel billets offer excellent strength, durability, and high melting points, making them ideal for ensuring the safety and reliability of vehicles. Additionally, their versatility allows for customization and lightweight designs, contributing to improved fuel efficiency and overall performance.
- Q: What is the role of steel billets in the manufacturing of fasteners?
- Steel billets play a crucial role in the manufacturing of fasteners. Fasteners are essential components used to join two or more objects together, providing stability and strength. Steel billets, being semi-finished products, are the starting point for producing fasteners. The first step in the manufacturing process is to heat the steel billets to a specific temperature, typically around 1200-1300 degrees Celsius, to make them malleable. Heating the billets allows for easier shaping and manipulation during subsequent processes. Once the billets are heated, they are then passed through a series of dies, which exert tremendous pressure to shape them into the desired fastener form. The dies are designed with the specific dimensions and shape required for the particular type of fastener being produced, such as bolts, screws, or nuts. During the shaping process, the steel billets undergo deformation and compression, resulting in the formation of the fastener's basic structure and form. The pressure applied by the dies ensures that the fasteners have the necessary strength and durability to sustain the forces they will encounter when used for their intended applications. Furthermore, steel billets are chosen for fastener manufacturing due to their inherent properties. Steel is known for its exceptional strength, toughness, and resistance to corrosion, making it an ideal material for fasteners. By starting with high-quality steel billets, the resulting fasteners will possess these desirable attributes, ensuring their reliability and longevity once installed. In summary, steel billets are instrumental in the production of fasteners. They serve as the raw material that undergoes shaping and deformation to ultimately form the desired fastener shape. The use of steel billets ensures that the resulting fasteners possess the necessary strength, durability, and corrosion resistance required for their intended applications.
- Q: What are the different surface defects that can occur during steel billet production?
- During steel billet production, several surface defects can occur, compromising the quality and performance of the final product. Some of the common surface defects include: 1. Scale: Scale is a layer of oxide that forms on the surface of the billet due to exposure to high temperatures during heating or rolling. It can reduce the surface quality and cause issues during subsequent processing stages. 2. Cracks: Cracks can form on the surface of the billet due to improper cooling or excessive stress during rolling. These cracks can propagate and lead to further structural weaknesses, affecting the integrity of the final product. 3. Pitting: Pitting refers to the formation of small cavities or depressions on the surface of the billet. It can occur due to reactions with chemicals or exposure to corrosive environments during production or storage. 4. Decarburization: Decarburization is the loss of carbon from the surface of the billet, leaving it with a lower carbon content. This can happen during heating or due to prolonged exposure to high temperatures, affecting the mechanical properties of the steel. 5. Lamination: Lamination defects occur when layers or sheets of material separate within the billet, leading to weak spots in the structure. This defect can be caused by improper casting, cooling, or rolling processes. 6. Inclusions: Inclusions are non-metallic particles or impurities that get trapped within the steel matrix during production. These can include oxides, sulfides, or other foreign materials, which can weaken the steel and reduce its overall properties. 7. Slivers: Slivers are thin strips or elongated pieces of steel that can detach from the billet's surface during rolling. These can cause surface roughness and affect the dimensional accuracy of the final product. 8. Seam: A seam defect occurs when the molten steel does not properly bond during the casting process, resulting in a visible line or seam on the surface of the billet. This defect can weaken the steel and compromise its structural integrity. To ensure high-quality steel billets, manufacturers employ various techniques such as proper control of heating and cooling processes, regular inspection and monitoring, and the use of advanced technologies to detect and eliminate these surface defects.
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Alloyed Steel Billets or Blooms Manufactured by Continue Casting Furnace
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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