Steel Bloom Manufactured by Big Blast Furnace
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 100000 m.t./month
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Steel Bloom Manufactured by Big Blast Furnace
1.Structure of Steel Bloom Manufactured by Big Blast Furnace
Steel Bloom Manufactured by Big Blast Furnace 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 Steel Bloom Manufactured by Big Blast Furnace
Steel Bloom Manufactured by Big Blast Furnace 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.
3. Steel Bloom Manufactured by Big Blast Furnace Images
4. Steel Bloom Manufactured by Big Blast FurnaceSpecification
Steel Billet Manufactured by Blast Furnace 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 Steel Bloom Manufactured by Big Blast Furnace
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.
②What is the advantage of the continue Casting steel Bloom comparing to the die casting steel Bloom?
Compared with die casting, continuous casting has the advantages of: 1. To simplify the Steel Bloom The production process 2. Improve the metal yield 3. Improve the quality of the Bloom 4. Reduces the steel worker's labor intensity 5. Save energy and reduce consumption
Steel Bloom 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 Bloom; The second is the steelmaking system in the production of steel ingot casting Bloom 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.
③How about the Q235 Grades?
Q235:A、B、C、D(GB700-88)
Q235A:C0.14~0.22% Mn0.30~0.65Si≤0.30S≤0.050P≤0.045
Q235B:C0.12~0.20% Mn0.30~0.670Si≤0.30S≤0.045P≤0.045
Q235C:C≤0.18% Mn0.35~0.80Si≤0.30S≤0.040P≤0.040
Q235D:C≤0.17% Mn0.35~0.80Si≤0.35S≤0.040P≤0.035
- Q: How are steel billets preheated before processing?
- Depending on specific process requirements and available equipment, there are various methods for preheating steel billets. One commonly used method involves the use of natural gas or propane-fired furnaces. The billets are placed inside the furnace and the temperature is gradually raised to the desired preheating level. Another technique involves induction heating. In this process, the billets are placed in a coil and an alternating current is passed through it, creating a magnetic field. This magnetic field induces electric currents within the billets, generating heat and preheating the steel. Electric resistance heating is also used in some preheating processes. In this method, the billets are positioned between two electrodes and an electric current is passed through them. The resistance to the flow of current produces heat, which preheats the steel billets. Preheating steel billets is essential for reducing thermal shock during subsequent processing. It also enhances process efficiency, as preheated billets require less energy to reach the desired processing temperature. Additionally, preheating improves the mechanical properties of the steel, making it easier to shape and manipulate during processing.
- Q: What are the potential applications of steel billets in the aerospace industry?
- Steel billets have several potential applications in the aerospace industry. They can be used for the manufacturing of various components such as engine parts, landing gear components, and structural elements. The high strength and durability of steel billets make them suitable for ensuring the structural integrity and safety of aircraft. Additionally, their excellent heat resistance properties make them ideal for applications in the aerospace industry where high temperatures are encountered, such as in jet engines.
- Q: What are the challenges faced in steel billet manufacturing?
- Steel billet manufacturing encounters various challenges. One of the primary obstacles is the attainment of consistent quality and uniformity in the billets. The billets must possess precise chemical composition and physical properties to meet the requirements of the end products. However, fluctuations in raw materials, like iron ore and scrap metal, can influence the billets' quality. Ensuring consistent quality throughout the production process is crucial but is difficult due to the variable nature of the raw materials. Another challenge lies in ensuring the appropriate heat treatment of the billets. Heat treatment is necessary to enhance the mechanical properties of the steel billets, but it demands precise control over temperature, time, and cooling rates. Any deviation from the recommended heat treatment process can lead to inconsistent mechanical properties, resulting in a decline in the overall billet quality. Furthermore, the production of steel billets involves intricate and energy-intensive processes. Manufacturing facilities must possess advanced equipment and technology to handle the high temperatures required for melting and casting the steel. The continuous casting process, commonly used for billet production, necessitates precise control over various parameters, such as casting speed and cooling rates. Maintaining the equipment and ensuring its proper functioning can be a challenge in itself. Moreover, environmental concerns present challenges in steel billet manufacturing. The process generates significant emissions of greenhouse gases, particulate matter, and other pollutants. Stricter environmental regulations and the need to reduce the carbon footprint of the manufacturing process require steel producers to invest in energy-efficient technologies and implement sustainable practices. Lastly, the market demand for steel billets can be volatile, posing challenges in production planning and inventory management. Demand fluctuations can result in overproduction or stockouts, impacting the overall efficiency and profitability of the manufacturing process. Overall, steel billet manufacturing encounters challenges related to maintaining consistent quality, achieving proper heat treatment, managing energy-intensive processes, addressing environmental concerns, and adapting to market dynamics. Overcoming these challenges necessitates continuous improvement, technological investments, and adherence to stringent quality standards.
- Q: How are steel billets transported internationally?
- Depending on factors such as distance, quantity, and urgency, steel billets are transported internationally by various means. Popular methods include shipping, rail, and road transportation. For long-distance international transport, shipping is the preferred choice. Steel billets are loaded into shipping containers, typically 20-foot or 40-foot in size, and secured to prevent movement during transit. These containers are then transported by cargo ships, which offer large storage capacities and efficient transportation over vast distances. Designed to protect the steel billets from external elements like moisture and corrosion, shipping containers ensure their integrity upon arrival. Rail transport is also commonly used for international shipments, especially to destinations connected by rail networks. Steel billets are loaded onto railcars, either in open-top or covered wagons depending on requirements and weather conditions. Rail transportation is favored for its cost-effectiveness, ability to handle large volumes, and access to landlocked regions. For shorter distances or urgent deliveries, road transportation is employed. Steel billets are loaded onto flatbed trucks or trailers, securely fastened to prevent any movement, and transported directly to their destination. Road transport offers flexibility, allowing delivery to locations where other modes may face limitations. Regardless of the transportation mode, international shipments of steel billets must have proper documentation, including customs clearance, bill of lading, and other relevant paperwork. These ensure compliance with international trade regulations, smooth border crossings, and timely delivery of the steel billets to their destination.
- Q: What are the main characteristics of high-quality steel billets?
- The main characteristics of high-quality steel billets include superior chemical composition, uniform and refined microstructure, precise dimensions, and excellent surface quality. Firstly, high-quality steel billets have a superior chemical composition. This means that they are made from carefully selected raw materials and have the right balance of elements to ensure optimal strength, durability, and corrosion resistance. The chemical composition is crucial in determining the overall quality and performance of the steel billets. Secondly, high-quality steel billets have a uniform and refined microstructure. This means that the grains within the steel are evenly distributed and have been properly refined during the manufacturing process. A uniform and refined microstructure enhances the strength and toughness of the steel, making it more resistant to cracking, deformation, and other forms of mechanical stress. In addition, high-quality steel billets have precise dimensions. They are manufactured to strict tolerances, ensuring that they have the correct length, width, and thickness. Precise dimensions are important as they allow for easy and accurate machining, forging, or rolling of the billets into the desired end products. This ensures that the final products made from the billets have consistent and accurate dimensions. Lastly, high-quality steel billets have excellent surface quality. They are free from defects such as cracks, scale, or other surface imperfections. A smooth and clean surface allows for better heat transfer, improved weldability, and enhanced overall appearance of the final products. It also ensures that the billets can be easily inspected and processed without any hindrances. Overall, high-quality steel billets possess superior chemical composition, uniform and refined microstructure, precise dimensions, and excellent surface quality. These characteristics are essential in producing steel billets that meet the highest standards of strength, durability, and reliability, making them suitable for various industrial applications.
- Q: Can steel billets be heat treated for increased hardness?
- Yes, steel billets can be heat treated to increase hardness. Heat treatment processes such as quenching and tempering can be used to alter the microstructure of the steel, resulting in improved hardness and other mechanical properties.
- Q: Can steel billets be used in the production of mining equipment?
- Yes, steel billets can be used in the production of mining equipment. Steel billets are semi-finished products that are commonly used in the manufacturing industry to produce various types of steel products, including mining equipment. The high strength and durability of steel make it an ideal material for mining equipment, which often operates in harsh and demanding environments. Steel billets can be processed and shaped into different components such as gears, shafts, frames, and buckets, which are essential parts of mining equipment. Additionally, steel billets can be easily welded, machined, and heat-treated to meet the specific requirements and standards of mining equipment. Therefore, steel billets play a crucial role in the production of mining equipment by providing the necessary strength and reliability needed for safe and efficient mining operations.
- Q: What are the different types of steel billet cutting defects?
- During the cutting process of steel billets, various types of defects can occur, impacting the quality and integrity of the final product. These defects have different levels of severity. Some common defects include burr formation, cracks, surface imperfections, incorrect dimensions, and slag inclusion. Burr formation refers to the presence of unwanted metal pieces on the cut edges. Improper cutting blade alignment, excessive speed, or worn-out blades can cause burrs. They affect the billet's dimensional accuracy and may require additional processing for removal. Cracks can result from high stress and heat during cutting. Factors like improper speed, inadequate cooling, or material inconsistencies contribute to cracks. They compromise the billet's structural integrity and can lead to failure in the final product. Surface imperfections, such as scratches, dents, or gouges, can occur due to improper handling, inadequate lubrication, or worn-out blades. These imperfections affect the appearance and may require additional processing for rectification. Incorrect dimensions occur as deviations from the desired measurements. Improper blade alignment, inaccurate measurements, or machine malfunctions can cause these deviations. They can create compatibility issues during subsequent processing or in the final product. Slag inclusion refers to the presence of slag, a byproduct, in the billet. If the cutting blade encounters slag, it can embed in the cut edge, resulting in structural weakness and reduced mechanical properties in the final product. To ensure high-quality steel billets, it is crucial to identify and rectify these cutting defects. Regular maintenance and inspection of cutting equipment, proper training of operators, and adherence to quality control measures can minimize these defects and ensure the production of defect-free steel billets.
- Q: What are the different methods of steel billet surface shot blasting?
- There are several different methods of steel billet surface shot blasting that are commonly utilized in various industries. These methods include: 1. Wheel blasting: This method involves using a wheel mechanism to propel abrasive particles onto the surface of the steel billet. The wheel rotates at a high speed, creating centrifugal force that propels the abrasives towards the billet, effectively removing any impurities or surface contaminants. 2. Air blasting: Air blasting is another commonly used method, where compressed air is used to propel abrasive particles onto the surface of the steel billet. The compressed air creates a high-pressure stream that propels the abrasives, effectively cleaning and preparing the surface. 3. Wet blasting: This method involves combining water with the abrasive particles before propelling them onto the steel billet surface. The addition of water helps to minimize dust and control the heat generated during the blasting process. Wet blasting is often used for steel billets that require a more delicate or controlled surface cleaning. 4. Shot peening: Shot peening is a specialized method used to improve the fatigue life and strength of the steel billet surface. In this process, small steel shots are propelled onto the surface with controlled intensity, creating compressive stresses that help to prevent crack initiation and propagation. 5. Vacuum blasting: Vacuum blasting is a method that combines a blast nozzle with a vacuum system. The abrasive particles are propelled onto the steel billet surface, and simultaneously, a vacuum system removes the spent abrasive particles and any loose debris. This method ensures a clean and dust-free environment during the blasting process. It's important to note that the choice of method will depend on various factors such as the type and condition of the steel billet, the desired surface finish, the level of contamination, and the specific requirements of the industry. Each method has its own advantages and limitations, and selecting the appropriate method is crucial to achieve the desired surface quality and cleanliness.
- Q: What is the role of steel billets in the manufacturing of material handling equipment?
- Steel billets play a crucial role in the manufacturing of material handling equipment. These billets are essentially semi-finished steel products that are used as the raw material for various manufacturing processes. In the context of material handling equipment, steel billets are typically used in the fabrication of heavy-duty components such as frames, beams, and brackets. These components need to possess high strength, durability, and resistance to wear and tear in order to withstand the demanding conditions that material handling equipment often operates in. The use of steel billets allows manufacturers to create these components with the necessary mechanical properties. The billets are first heated and then shaped through processes like rolling, forging, or extrusion to produce the desired shape and dimensions. This shaping process ensures that the components have the required strength and structural integrity to handle the weight and stress associated with material handling tasks. Furthermore, steel billets offer excellent weldability, which is crucial in the fabrication of material handling equipment. The ability to weld the components together ensures that the equipment can be assembled securely and efficiently. This is especially important for equipment such as cranes, forklifts, and conveyors, where the safe and efficient movement of heavy loads is paramount. Moreover, steel billets provide a cost-effective solution for manufacturing material handling equipment. Steel is widely available, relatively affordable, and can be recycled, making it a sustainable choice. The versatility of steel billets also allows manufacturers to create components of various shapes and sizes, enabling customization to meet specific requirements. Overall, the role of steel billets in the manufacturing of material handling equipment is crucial. They provide the raw material necessary to create strong, durable, and reliable components that can withstand the demanding conditions of material handling tasks. With their excellent mechanical properties and weldability, steel billets contribute to the safe and efficient operation of material handling equipment.
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Steel Bloom Manufactured by Big Blast Furnace
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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