Blast furnace billet steel for size 50mm-180mm
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 30000 m.t./month
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STEEL BILLET
1.Brief description
Steel billet(ingot) by cogging or breakdown of semi-finished products, is the raw material of all kinds of steel mill. Billet section of square, round, flat, rectangular and abnormity of several kinds of, mainly related to the shape of rolled products.
2.Features
Rectangular billet continuous casting billet and mainly general carbon steel, low carbon low silicon cold-rolled material, high quality carbon structural steel, high strength low alloy steel, special steel, etc.
The billet is mainly divided into two kinds from the shape:
Slab: cross section width and height of the ratio of the larger, mainly used for rolling plate.
Billet: equal cross section width and height, or a huge difference, mainly used for rolling steel, wire rod. ,
Steel billets have distinct characteristics as compared with already furnished steel bars and products. Billets have a specific grain structure, which enables the metal to be processed more intricately. Steel billets are also known for their malleability and ductility, especially when exposed to varying temperatures during shaping and molding.
3.Processing
Steel billets are considered fresh and raw, and they must undergo a series of manufacturing processes before they can be used for various purposes. Billets are made by means of freezing molten liquid, and are later exposed to extremely low temperatures in order to allow the metal to take shape and solidify in chemical structure. The temperature manipulates the metal's physical properties, and tones its strength and durability. The subsequent processes provide the metal's curved mold design so that it can fit the allotted space provided by other machines, which complete the finishing procedures.
4.Pictures
5.Usage
Billets, or ingots (as they sometimes referred to), are not of practical use until they have been formed into more functional shapes and sizes. While they have already been put in the furnace, they still require a series of shaping and molding procedures such as hot and cold working, milling and cutting before they are sold in hardware stores, or used for different applications. The unformed billets, however, can be used in striking currency such as coins and as reserves, similar to gold bars.
6.Detailed specification
Hot rolled billet steel
Size: 50x50mm-180x180mm
Steel Grade: 3SP, 5SP,Q195,Q235,Q255,Q275 Length:3m-12m
MOQ: 1000MT/size
Payment term: TT or LC
Packing: in bulk , bundle
Shipment: by container , bulk vessel
Packaging Details: bundles with steel strips or as customers's requirements
Delivery time: 15-30 days after the deposit
Loading port:Tianjin, or other port China
Origin : China
Inspection:Third party inspection before loading.
- Q: What are the international standards for steel billets?
- The international standards for steel billets are defined by organizations such as the International Organization for Standardization (ISO) and the American Society for Testing and Materials (ASTM). These standards typically encompass various aspects including chemical composition, mechanical properties, dimensions, tolerances, and surface quality, ensuring consistency and quality across different countries and manufacturers.
- Q: What are the common defects in steel billets during continuous casting?
- Steel billets during continuous casting can experience various common defects. These defects include surface cracks, central segregation, inclusion defects, internal cracks, surface and subsurface defects, and pipe defects. Surface cracks are cracks that appear on the billet's outer surface. They can occur due to excessive cooling or improper mold lubrication. These cracks can weaken the structural integrity of the billet and potentially cause breakage during subsequent processing. Central segregation is a defect that arises from an uneven distribution of elements within the billet. This uneven distribution leads to variations in composition across the billet's cross-section. As a result, the billet may possess inconsistent mechanical properties, making it unsuitable for certain applications. Inclusion defects occur when non-metallic particles or impurities become trapped within the billet during casting. These particles can originate from the refractory lining, mold powder, or the steelmaking process itself. Inclusion defects weaken the material and diminish its overall quality. Internal cracks are cracks that develop within the billet's body. Thermal stresses or improper cooling are often the culprits behind these cracks. Detecting internal cracks visually is challenging, and they can compromise the structural integrity of the billet. Surface and subsurface defects encompass various issues such as surface depressions, oscillation marks, and hot tears. Surface depressions arise from excessive mold oscillation or poor mold conditions. Oscillation marks result from non-uniform mold oscillation, leading to uneven cooling and inconsistent billet dimensions. Hot tears occur when the billet contracts unevenly during solidification, resulting in cracks on the surface or subsurface. Pipe defects are hollow cavities that form within the billet during solidification. Shrinkage is the main cause of these cavities, and they can weaken the material. If these pipes propagate to the surface, they can cause breakage during subsequent processing. Overall, these defects pose significant challenges in producing high-quality steel billets. Continuous improvement in casting techniques, process control, and quality assurance measures are crucial in minimizing these defects and ensuring defect-free billet production.
- Q: What are the different grades of steel used for producing billets?
- The different grades of steel used for producing billets vary depending on the specific requirements and applications. Some common grades include mild steel, low carbon steel, medium carbon steel, high carbon steel, alloy steel, and stainless steel. Each grade offers different mechanical properties, such as strength, durability, and corrosion resistance, to meet the desired characteristics for the final product.
- Q: Billet heating furnace prices?
- Look at the video case, you can consult the advisory.
- Q: How are steel billets sheared into smaller sections?
- Using a mechanical technique called shearing, steel billets are cut into smaller sections. This procedure involves the utilization of a shearing machine equipped with a specific sharp blade or blades designed for cutting through the steel billet. Firstly, the steel billet is placed on a sturdy cutting table, and then the shearing machine is activated. With considerable force, the blade(s) of the machine are brought down onto the steel billet, effectively slicing through the material and separating it into smaller sections. Depending on the shearing machine's particular design, the blade(s) may move vertically, horizontally, or in a combination of both. To ensure a clean and precise cut, it is common practice to securely clamp the steel billet in place before commencing the shearing process. This precaution minimizes any potential movement or shifting of the material during cutting, which could lead to an uneven or inaccurate cut. Additionally, the blade(s) of the shearing machine are usually made from high-speed steel or another durable and sharp material to ensure efficient cutting and prolonged use. In conclusion, the shearing process is a highly efficient and effective method for dividing steel billets into smaller sections. It enables precise control over size and shape, making it an invaluable technique in numerous industries that utilize steel products.
- Q: How are the surface defects of steel billets repaired?
- Various methods can be employed to repair the surface defects found in steel billets, depending on the type and severity of the defect. Common surface defects include cracks, seams, laps, and scale. One approach to repairing surface defects involves grinding or milling. This entails the utilization of abrasive tools or machines to remove the outer layer of the billet. Grinding can effectively eliminate small defects such as scale, pits, or minor cracks. However, it may not be suitable for extensive or deep defects. For more severe defects like cracks or seams, welding is a common repair technique. The damaged areas are heated to a suitable temperature and then filled using welding electrodes or filler materials. Skilled welders are required to ensure proper fusion and strength of the repaired area. Mechanical methods, such as peening or hammering, can also be employed to repair surface defects. These techniques involve the use of specialized tools to reshape and smooth out the affected areas. Peening can effectively eliminate shallow cracks or surface irregularities. Another method used to identify and repair surface defects in steel billets is ultrasonic testing. This technique utilizes high-frequency sound waves to detect any hidden cracks or flaws. Once the defects are identified, appropriate repair methods can be implemented. It is important to emphasize that the repair process for surface defects in steel billets necessitates careful inspection and assessment to determine the most suitable method. Quality control measures must be implemented to ensure that the repaired billets meet the required standards for strength and integrity.
- Q: What is the role of steel billets in the production of automotive components?
- Steel billets play a crucial role in the production of automotive components. These billets are semi-finished metal products that serve as the raw material for various parts used in the automotive industry. Firstly, steel billets are used to manufacture engine components such as crankshafts, camshafts, and connecting rods. These are vital parts that contribute to the smooth functioning of the engine. The strong and durable properties of steel make it an ideal material for these components, ensuring they can withstand the high temperatures and pressures within the engine. Secondly, steel billets are used to produce chassis and suspension components. These include parts like control arms, steering knuckles, and axle shafts, which are responsible for the vehicle's stability, maneuverability, and overall performance. Steel's high strength-to-weight ratio and excellent fatigue resistance make it suitable for these safety-critical components. Furthermore, steel billets are utilized in the production of transmission and drivetrain components. These include gears, shafts, and clutch plates, which are essential for transmitting power from the engine to the wheels. Steel's toughness, wear resistance, and ability to handle high torque loads make it an ideal material for these parts, ensuring their durability and reliability. Additionally, steel billets are used in the manufacture of body and interior components. These can include door hinges, brackets, seat frames, and various structural parts. Steel's versatility, formability, and corrosion resistance make it an excellent choice for these components, providing strength and protection to the vehicle's occupants. Overall, steel billets form the foundation for the production of a wide range of automotive components. They provide the necessary strength, durability, and reliability required for critical parts in engines, chassis, transmission systems, and body structures. Without steel billets, the automotive industry would struggle to produce high-quality and safe vehicles.
- Q: How are steel billets used in the production of shafts?
- Steel billets are an essential component in the production of shafts. A billet is a semi-finished product that serves as the starting point for various manufacturing processes. In the case of shaft production, steel billets are used as the raw material from which the shafts are formed. The process begins by heating the steel billets to a specific temperature, typically in a furnace. This heating process, known as "hot working," is crucial as it makes the steel more malleable and easier to shape. Once the billet reaches the desired temperature, it is then transferred to a forging press or a rolling mill. In the forging process, the heated billet is subjected to high pressure and shaped using specialized dies to achieve the desired shaft dimensions. This method allows for precise control over the shape, size, and surface finish of the shaft. On the other hand, in the rolling process, the billet is passed through a series of rollers that gradually shape it into a cylindrical form. Rolling is often used for shafts that require a constant cross-section along their length. After the initial shaping process, the shafts undergo further steps such as heat treatment, machining, and finishing to meet the specific requirements of their intended application. Heat treatment helps enhance the mechanical properties of the shaft, making it stronger, more durable, and resistant to wear. Machining processes, such as turning, milling, or grinding, are then carried out to achieve precise dimensions, smooth surfaces, and accurate tolerances. Overall, steel billets play a crucial role in the production of shafts as they provide a starting point for the shaping processes necessary to create these critical components. Through careful manipulation and refinement, steel billets transform into high-quality shafts that are used in various industries, including automotive, aerospace, manufacturing, and many others.
- Q: What is the average lead time for ordering steel billets?
- The average lead time for ordering steel billets can vary depending on various factors such as the supplier, quantity required, production capacity, and current market conditions. Generally, it can range from a few weeks to a couple of months. If the supplier has readily available stock or a short production cycle, the lead time may be shorter, typically around two to four weeks. However, if the supplier needs to produce the steel billets specifically for the order, it may take longer. In this case, the lead time can extend to six to eight weeks or even more, especially if there are any delays in the production process. It is crucial to consider the quantity required as well. Smaller orders might have shorter lead times compared to larger quantities, as they can be accommodated within the supplier's existing production schedule or available stock. Additionally, market conditions play a significant role. During periods of high demand or when there are supply chain disruptions, lead times may increase due to increased competition for resources and longer production cycles. To obtain an accurate estimate of the average lead time for ordering steel billets, it is recommended to contact multiple suppliers and discuss your specific requirements with them. They can provide more precise information based on their production capabilities and current market conditions.
- Q: What are the main differences between carbon steel and alloy steel billets?
- Carbon steel and alloy steel billets are both types of steel used in various industries, but they have some key differences. The main difference between carbon steel and alloy steel billets lies in their composition. Carbon steel billets are primarily made up of iron and carbon, with carbon content usually ranging from 0.05% to 2.1%. This makes carbon steel relatively more affordable and easier to produce compared to alloy steel. On the other hand, alloy steel billets contain additional elements like manganese, nickel, chromium, and molybdenum, which are added to enhance specific properties of the steel. These alloying elements give alloy steel superior strength, hardness, and resistance to corrosion compared to carbon steel. Another major difference between carbon steel and alloy steel billets is their mechanical properties. Carbon steel billets are generally known for their high ductility and ability to be easily shaped or formed, making them suitable for applications that require flexibility and easy machinability. Alloy steel billets, on the other hand, have higher tensile strength, toughness, and wear resistance due to the presence of alloying elements. This makes alloy steel billets ideal for applications that require high strength and resistance to wear, such as in construction, automotive, and aerospace industries. Furthermore, the heat treatment process for carbon steel and alloy steel billets also differs. Carbon steel billets are often heat-treated to improve their hardness and strength, with common treatments including quenching and tempering. Alloy steel billets, on the other hand, can undergo a wider range of heat treatment processes, including annealing, normalizing, and precipitation hardening. These heat treatments help to optimize the properties of alloy steel billets for specific applications, such as increasing strength or improving machinability. In summary, the main differences between carbon steel and alloy steel billets lie in their composition, mechanical properties, and heat treatment processes. Carbon steel is primarily made up of iron and carbon, while alloy steel contains additional alloying elements. Carbon steel has high ductility and is easily shaped, while alloy steel has superior strength, hardness, and resistance to corrosion. The heat treatment processes for these two types of steel also differ, with alloy steel having a wider range of treatment options.
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Blast furnace billet steel for size 50mm-180mm
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 30000 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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