Steel Bloom Manufactured by Blast Furnace
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2000 m.t.
- Supply Capability:
- 100000 m.t./month
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Steel Bloom Manufactured by Blast Furnace
1.Structure of Steel Bloom Manufactured by Blast Furnace
Steel Bloom Manufactured by 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 Blast Furnace.
Steel Bloom Manufactured by 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 Blast Furnace Images
4. Steel Bloom Manufactured by Blast Furnace Specification
Steel Bloom 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 Blast 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.
②How to guarantee the quality of the products？
We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.
③How is the packaging and delivery?
Loose by Vessel and the delivery term is based on the the quantity and our factory’s schedule then.
- Q: How are steel billets inspected for surface defects?
- To ensure the quality and integrity of steel billets, a variety of methods and techniques are employed to inspect them for surface defects. One way is through visual inspection, where trained inspectors carefully scrutinize the billets for any visible flaws such as cracks, scratches, pits, or unevenness. They utilize appropriate lighting and magnification tools to conduct a thorough examination of the entire surface. Another method in use is dye penetrant testing. This involves applying a liquid dye to the billet's surface, allowing it to seep into any cracks or defects. After a designated period, excess dye is removed and a developer is added. The developer brings out the dye from any defects, making them clearly visible and easily identifiable. Magnetic particle inspection is another widely utilized technique. During this process, the billets are magnetized, and iron particles are applied to the surface. Any surface flaws disrupt the magnetic field, causing the iron particles to gather around the defect, thus making them easily detectable upon inspection. This method proves particularly effective for identifying defects such as surface cracks. Ultrasonic testing is also commonly employed to inspect steel billets. It entails transmitting high-frequency sound waves through the material, which then produce reflections or echoes when encountering any surface defects or internal flaws. These reflections are detected and analyzed, providing valuable information about the defect's size, location, and type. Furthermore, eddy current testing can be utilized to inspect steel billets for surface defects. This method involves passing an alternating current through a probe positioned near the billet's surface. 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. In conclusion, steel billets undergo meticulous inspection utilizing a combination of visual, dye penetrant, magnetic particle, ultrasonic, and eddy current testing methods. This ensures that any surface defects are promptly identified and addressed, thereby guaranteeing the quality and reliability of the final product.
- Q: What are the different types of surface defect detection equipment for steel billets?
- There are various types of surface defect detection equipment available for steel billets. These equipment are designed to identify and analyze defects on the surface of steel billets, ensuring that only high-quality products are used in various applications. Some of the different types of surface defect detection equipment for steel billets include: 1. Ultrasonic Testing (UT): UT equipment uses sound waves to detect surface defects in steel billets. It emits high-frequency sound waves that penetrate the material and reflect back when they encounter any surface irregularities. This method helps identify cracks, voids, and other defects on the surface. 2. Eddy Current Testing (ECT): ECT equipment uses electromagnetic induction to detect surface defects in steel billets. It works by passing an alternating current through a coil, generating a magnetic field that interacts with the conductive material of the billet. Any surface defect or irregularity will cause a change in the magnetic field, which can be measured and analyzed. 3. Magnetic Particle Inspection (MPI): MPI equipment uses magnetic fields and iron particles to detect surface defects in steel billets. The billet is magnetized, and iron particles are applied to its surface. These particles will gather around any surface defect, creating visible indications that can be easily identified and evaluated. 4. Visual Inspection: Visual inspection equipment involves the use of cameras, lasers, and other optical devices to detect surface defects in steel billets. These devices capture images or videos of the billet's surface and allow inspectors to identify any irregularities or defects visually. 5. Thermographic Testing: Thermographic equipment uses infrared cameras to detect surface defects in steel billets by measuring the temperature variations. Any defect will cause a difference in heat transfer, resulting in distinct thermal patterns that can be detected and analyzed. 6. X-ray Inspection: X-ray inspection equipment uses X-ray radiation to penetrate the steel billet and detect internal and surface defects. It provides detailed images that allow inspectors to identify cracks, voids, and other defects that are not visible to the naked eye. Overall, these different types of surface defect detection equipment for steel billets offer a range of methods to ensure the quality and integrity of the billets, enabling manufacturers to deliver high-quality steel products to various industries.
- Q: How are steel billets used in the production of aerospace structures?
- The aerospace industry relies heavily on steel billets as a crucial element in the production of aerospace structures. These billets, typically made from high-quality steel, serve as the initial material for various aerospace components. They are utilized in the manufacturing process known as forging, which involves shaping the metal by applying compressive forces. To meet the exceptional strength, durability, and fatigue resistance required for aerospace structures such as aircraft frames, wing spars, landing gear components, and engine parts, materials of superior quality are necessary. Steel billets possess these desirable qualities, making them an ideal choice for the aerospace industry. The production of aerospace structures commences with the careful selection of suitable steel billets. These billets undergo thorough inspection to ensure they meet the specified requirements and quality standards. Once approved, they undergo a series of processes including heating, forging, and machining to transform them into the desired form and dimensions. Throughout the forging process, the steel billets are heated to a specific temperature and then subjected to intense pressure, either through hammering or pressing. This force causes the billets to deform and acquire the shape of the aerospace component being manufactured. The precise control of temperature and pressure guarantees the resulting structure possesses the desired mechanical properties and complies with the strict safety regulations of the aerospace industry. Following forging, the aerospace structures undergo further machining and finishing to attain the necessary dimensional accuracy and surface quality. This may involve cutting, drilling, milling, and grinding operations. The ability of steel billets to withstand these machining procedures without compromising their structural integrity is vital in producing aerospace structures that meet the high-performance standards. In conclusion, the utilization of steel billets is crucial in the production of aerospace structures as they provide the required strength, durability, and fatigue resistance. Through the processes of forging and subsequent machining, these billets are transformed into various components, ensuring the structural integrity and safety of aerospace systems. The use of high-quality steel billets guarantees that the resulting structures meet the demanding requirements of the aerospace industry.
- Q: How are steel billets preheated before processing?
- Steel billets can be preheated before processing using various methods depending on the specific requirements of the process and the type of equipment available. One common method is the use of natural gas or propane-fired furnaces. The billets are placed inside the furnace, and the temperature is gradually increased to the desired preheating temperature. Another method is the use of induction heating. This involves placing the billets inside a coil, and an alternating current is passed through the coil, which generates a magnetic field. This magnetic field induces electric currents within the billets, resulting in heat generation and preheating of the steel. Additionally, some preheating processes utilize electric resistance heating. In this method, the billets are placed between two electrodes, and an electric current is passed through the electrodes. The resistance to the flow of current generates heat, which preheats the steel billets. Preheating of steel billets is crucial as it helps to reduce the thermal shock experienced during subsequent processing steps. It also improves the overall efficiency of the process, as preheated billets require less energy to reach the desired processing temperature. Moreover, preheating helps to enhance the mechanical properties of the steel, making it easier to shape and manipulate during processing.
- Q: What are the specifications for stainless steel billets used in the marine industry?
- The specifications for stainless steel billets used in the marine industry typically include a specific grade of stainless steel, such as 316 or 316L, which offers excellent corrosion resistance in marine environments. These billets are often required to meet certain standards, such as ASTM A276 or ASTM A484, which outline the chemical composition, mechanical properties, and dimensional tolerances for stainless steel products. Additionally, the billets may need to undergo specific heat treatment processes, such as annealing or solution treatment, to ensure optimal strength and corrosion resistance.
- Q: The form of carbon in carbon steels
- The solubility of carbon content when the iron carbon alloy than in the iron when the excess carbon can be in the form of carbide iron or elemental state (graphite) in alloy, which can form a series of carbide, Fe3C (cementite, 6.69%C) is a metastable phase, it is a compound complex structure gap. Graphite is a stable phase of iron carbon alloy with simple six - party structure. Fe3C has the potential to break down into iron and graphite stable phases, but the process is extremely slow at room temperature.
- Q: What is carbon accumulation?
- Generally refers to the polycarbonate, PC, is a kind of thermoplastic plastics, good transparency, good mechanical properties, surface hardness, common uses such as CD, plastic glasses, a fence, protective window, public places, vacuum cleaners, coffee machine, juicer barrel, refrigerator shelf, pure such as the bucket.
- Q: Can steel billets be cold rolled?
- Steel billets cannot be cold rolled, as this process specifically involves reducing the thickness of a metal sheet or strip by passing it through a series of rollers at room temperature. Instead, steel billets are primarily utilized as raw material for producing steel bars, rods, and other long products through hot rolling. During hot rolling, the steel billets are heated to high temperatures and subsequently passed through rolling mills to achieve the desired shape and dimensions. Cold rolling is not appropriate for steel billets because it necessitates heating to enhance the steel's malleability and ability to deform, which cannot be achieved with solid, unheated billets.
- Q: What are the specifications for tool steel billets used in the tooling industry?
- Tool steel billets used in the tooling industry typically have specific specifications to ensure optimal performance and durability. These specifications include: 1. Composition: Tool steel billets are made from specific alloy compositions that provide high hardness, wear resistance, and toughness. Common elements found in tool steel include carbon, chromium, vanadium, molybdenum, and tungsten. 2. Hardness: Tool steel billets are heat-treated to achieve a desired hardness level, typically measured in Rockwell hardness (HRC). The hardness required depends on the specific application and the type of tool being produced. 3. Size and shape: Tool steel billets come in various sizes and shapes, such as rectangular or round bars, to cater to different tooling requirements. The dimensions of the billets are chosen based on the size and complexity of the tool being manufactured. 4. Surface finish: Tool steel billets should have a smooth and clean surface finish to ensure easy machining and minimize the risk of defects or imperfections in the final tooling product. 5. Tolerance: The billets should be manufactured with tight dimensional tolerances to ensure consistency during the machining and tooling processes. This helps in achieving precise tool dimensions and minimizing wastage. 6. Homogeneity: Tool steel billets should have uniform chemical composition and microstructure throughout to ensure consistent mechanical properties and performance of the final tooling products. 7. Heat treatment properties: The billets should have good heat treatment properties, including the ability to be hardened and tempered, to enhance their strength, toughness, and wear resistance. 8. Machinability: Tool steel billets should have good machinability to allow for efficient shaping and forming processes during tool manufacturing. This includes considerations for cutting forces, chip formation, and surface finish. It is important to note that the specific specifications for tool steel billets can vary depending on the application and the type of tool being produced. Manufacturers and tooling experts often work closely together to determine the most suitable tool steel specifications for each specific tooling requirement.
- Q: What are the different types of steel billet casting defects?
- During the casting process of steel billets, various types of defects may occur, impacting the final product's quality and performance. These defects can range in severity and have different effects on the billets. Common defects include: 1. Insufficient feeding of liquid metal during solidification can cause shrinkage defects, resulting in voids or cavities within the billet. This weakens the billet's strength and may lead to failure under stress. 2. Porosity defects are characterized by the presence of small gas bubbles or voids within the billet. They reduce density, weaken the material, and affect mechanical properties such as tensile strength and ductility. 3. Foreign substances, such as non-metallic particles, oxides, or impurities, can become trapped within the billet, resulting in inclusion defects. These negatively impact mechanical properties like ductility and increase brittleness. 4. Surface defects, like cracks, scabs, or uneven surfaces, can occur during casting, affecting the appearance and structural integrity of the billet. 5. Uneven distribution of alloying elements within the billet leads to segregation defects. This inconsistency in composition affects mechanical properties and overall performance. 6. During solidification, thermal stresses can cause cracks known as hot tears, weakening the billet and reducing its strength under stress. 7. When the liquid metal fails to completely fill the mold cavity, misruns occur, resulting in incomplete billets. This defect leads to reduced dimensions, poor surface finish, and compromised mechanical properties. Addressing and identifying these defects is crucial to ensure the production of high-quality and reliable steel products. Techniques such as proper mold design, controlling casting parameters, and process optimization can be employed to minimize these defects and improve the overall quality of the billet.
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Steel Bloom Manufactured by Blast Furnace
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2000 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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