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:What are the specifications for steel billets used in the defense industry?
- The defense industry utilizes different specifications for steel billets depending on the specific application and requirements. However, there are certain common specifications that are generally followed. First and foremost, high strength and durability are necessary for steel billets used in the defense industry to withstand extreme conditions and potential impacts. They typically need to possess a high tensile strength, usually above 500 MPa, and exceptional toughness to resist fracture or deformation. Moreover, good corrosion resistance properties are essential for steel billets used in the defense industry. This is crucial to ensure the longevity and reliability of defense equipment and structures, particularly when exposed to harsh environments or corrosive elements. Regarding dimensional specifications, precise dimensions and tolerances are typically required for steel billets used in the defense industry. This ensures compatibility and proper fitment during the manufacturing process and assembly of defense equipment. Additionally, strict quality control measures are implemented for steel billets used in the defense industry. They must comply with various industry standards and certifications, such as MIL-SPEC (Military Specifications), to guarantee the highest level of quality, performance, and safety. Finally, depending on the specific application, additional specifications such as heat treatment requirements, chemical composition, and non-destructive testing may also be specified for steel billets used in the defense industry. It is important to note that the exact specifications for steel billets used in the defense industry may vary based on the specific requirements of each defense project. Therefore, it is essential to consult the relevant defense industry standards and guidelines for accurate and up-to-date specifications.
- Q:How are steel billets used in the production of agricultural equipment?
- Steel billets are an essential component in the production of agricultural equipment due to their versatility and durability. These billets are semi-finished steel products that are shaped into a solid rectangular form, making them ideal for various manufacturing processes. In the production of agricultural equipment, steel billets are typically used as the raw material for forging, casting, or rolling processes. Forging involves heating the billets to a specific temperature and then shaping them into the desired form using a hammer or press. This process is commonly used to create components such as plowshares, tiller blades, and harrow teeth, which require superior strength and resistance to wear and tear. Casting is another method used in agricultural equipment production, where molten steel is poured into a mold and left to solidify. Steel billets are melted and cast into intricate shapes, allowing manufacturers to create complex components like tractor engine blocks, combine harvester parts, or even agricultural machinery frames. The ability to cast steel billets into various shapes enables the production of customized equipment that meets specific requirements. Rolling is another technique that utilizes steel billets in the production of agricultural equipment. These billets are heated and then passed through a series of rollers to reduce their size and shape them into different profiles, such as bars, rods, or sheets. Rolled steel billets are commonly used in the manufacturing of components like axles, shafts, and brackets, which are crucial for the functionality of agricultural machinery. One of the key reasons steel billets are preferred in agricultural equipment production is their inherent strength and durability. The agricultural industry demands robust machinery that can withstand harsh environments, heavy loads, and repetitive use. Steel billets offer exceptional strength, allowing manufacturers to create equipment that can endure these demanding conditions. Additionally, steel billets can be further strengthened through heat treatment processes, such as quenching and tempering, to enhance their mechanical properties. In conclusion, steel billets play a vital role in the production of agricultural equipment. Their versatility and durability enable manufacturers to create components and machinery that can withstand the challenging conditions of the agricultural industry. Whether used in forging, casting, or rolling processes, steel billets provide the necessary strength and reliability required for efficient and long-lasting agricultural equipment.
- Q:Can steel billets be used in the production of pipes?
- Indeed, the utilization of steel billets is possible in the fabrication of pipes. Steel billets serve as the primary material for the creation of diverse steel goods, comprising pipes. The procedure entails subjecting the steel billets to elevated temperatures and subsequently molding them into pipes utilizing distinct techniques like hot rolling, cold rolling, or extrusion. Steel billets furnish the essential strength, durability, and consistency necessary for the manufacturing of pipes. Furthermore, they can undergo further processing and treatment to fulfill specific prerequisites such as resistance to corrosion or improved mechanical properties. Thus, steel billets assume a crucial function in pipe production and find extensive application in the steel industry for this very purpose.
- Q:How are steel billets heat-treated?
- Steel billets are heat-treated using a process called annealing or quenching and tempering. Annealing involves heating the steel billets to a specific temperature and then slowly cooling them down. This process helps to relieve any internal stresses and improve the overall ductility and toughness of the steel. Quenching and tempering, on the other hand, involves heating the steel billets to a high temperature and then rapidly cooling them by immersing them in a quenching medium, such as water or oil. This rapid cooling creates a hard and brittle structure in the steel, which is then tempered by reheating the billets to a lower temperature. This tempering process helps to reduce the brittleness and increase the toughness of the steel billets. The specific heat treatment process used depends on the desired properties and applications of the steel billets.
- Q:What is the role of steel billets in the manufacturing of conveyor belts?
- Steel billets play a crucial role in the manufacturing of conveyor belts. These billets, which are semi-finished products made from molten steel, are the starting point for the production process. Once the steel billets are obtained, they undergo a series of manufacturing steps to transform them into the various components of a conveyor belt. Firstly, the steel billets are heated and then rolled into thin sheets or strips, depending on the desired thickness of the conveyor belt. These sheets are then further processed to create the core structure of the belt. The core structure provides the necessary strength and durability to withstand the demanding conditions of conveyor belt applications. Steel billets are also used to produce the metal reinforcements within the conveyor belt. These reinforcements, usually in the form of steel cords or steel wires, are embedded within the belt to enhance its tensile strength. They prevent the belt from stretching or breaking under heavy loads, ensuring its longevity and reliability. Furthermore, steel billets are utilized to manufacture the belt's pulley system. Conveyor belts rely on pulleys to facilitate the movement of materials along the belt. The pulleys are typically made from solid steel billets that are machined and designed to smoothly guide the belt while maintaining proper tension. In summary, steel billets are vital in the manufacturing of conveyor belts as they serve as the foundation for creating the core structure, reinforcements, and pulleys. Their strength and versatility make them an ideal material for producing conveyor belts that can withstand the rigors of industrial applications, ensuring efficient and reliable material handling processes.
- Q:What are the main factors affecting the fatigue strength of stainless steel billets?
- There are several main factors that can affect the fatigue strength of stainless steel billets. Firstly, the composition of the stainless steel plays a significant role in determining its fatigue strength. Stainless steel alloys with higher amounts of elements such as chromium, molybdenum, and nickel tend to have improved fatigue strength. These alloying elements enhance the material's resistance to corrosion and increase its ability to withstand cyclic loading, resulting in better fatigue performance. Secondly, the microstructure of the stainless steel billet is another important factor. The presence of defects or impurities within the microstructure can act as stress concentration points, making the material more prone to fatigue failure. Therefore, a well-controlled and homogenous microstructure is essential for achieving higher fatigue strength. Thirdly, the surface condition of the stainless steel billet can significantly impact its fatigue strength. Surface irregularities, such as scratches, nicks, or pitting, act as stress raisers and can initiate cracks under cyclic loading. Proper surface treatment, such as grinding, polishing, or passivation, can help to minimize these surface defects and improve the fatigue resistance of the material. Additionally, the manufacturing process and heat treatment of stainless steel billets can influence their fatigue strength. Processes such as forging, rolling, or extrusion can introduce residual stresses into the material, which may decrease its fatigue strength. Therefore, careful control of the manufacturing process and appropriate heat treatment techniques, such as annealing or quenching, are crucial to optimize the fatigue performance of stainless steel billets. Lastly, operating conditions, including the applied stress levels, temperature, and environmental factors, can also affect the fatigue strength of stainless steel billets. Higher stress levels or elevated temperatures can accelerate fatigue crack initiation and propagation, leading to reduced fatigue life. Similarly, exposure to corrosive environments can promote localized corrosion fatigue, causing premature failure. Therefore, understanding the intended operating conditions and selecting the appropriate stainless steel grade and surface protection can help to maximize the fatigue strength and prolong the service life of stainless steel billets.
- Q:How do steel billets contribute to the circular economy?
- There are several ways in which steel billets contribute to the circular economy. Firstly, they play a key role in the recycling process of steel. Steel is widely recycled around the world, and by using steel billets, scrap steel can be transformed into new products. This helps to reduce the demand for virgin iron ore and the energy-intensive processes involved in its extraction and production. Additionally, steel billets can be made from various sources, including industrial waste, automotive scrap, and construction waste. This allows for the repurposing of materials that would otherwise be disposed of in landfills, thereby reducing waste and conserving resources. By utilizing steel billets made from recycled materials, the industry can promote a more sustainable and environmentally friendly approach to steel production. Moreover, steel billets are highly versatile and can be applied in a wide range of situations. This versatility extends the lifespan of steel products and reduces the need for replacement. In the circular economy, the objective is to maximize resource utilization, and steel billets contribute to this by enabling the production of durable and long-lasting steel goods. Lastly, the circular economy places great importance on closing the loop and ensuring that materials are reused or recycled at the end of their life cycle. Steel billets facilitate this process as they are readily available for the production of new steel products. This not only reduces reliance on virgin materials but also minimizes the environmental impact associated with the extraction and processing of raw materials. In summary, steel billets play a crucial role in the circular economy by enabling steel recycling, repurposing waste materials, promoting durability, and closing the loop in the steel production process. Their use contributes to resource conservation, waste reduction, and the overall sustainability of the steel industry.
- Q:What are the applications of steel billets in the automotive industry?
- Steel billets have several applications in the automotive industry. They are used as raw materials for forging various components like crankshafts, connecting rods, camshafts, and gears. Additionally, steel billets are utilized in the production of chassis and body frames, providing strength and durability to vehicles. They are also used for manufacturing suspension systems, axles, and other critical automotive parts that require high-strength materials.
- Q:What are the different methods of corrosion protection for steel billets?
- There are various methods available for corrosion protection of steel billets. Some of the common methods include: 1. Coating: Applying a protective coating on the surface of steel billets is one of the most effective methods of corrosion protection. This can be achieved through processes such as hot-dip galvanizing, painting, or applying a protective film. The coating acts as a barrier between the steel surface and corrosive elements in the environment, preventing direct contact and reducing the likelihood of corrosion. 2. Cathodic Protection: This method involves creating an electrochemical reaction to protect the steel billets from corrosion. Cathodic protection can be achieved by either using sacrificial anodes or by applying an impressed current. Sacrificial anodes, typically made of zinc or magnesium, are connected to the steel billets, and they corrode sacrificially instead of the steel, thus protecting it. Impressed current systems use an external power source to provide the necessary current to protect the steel. 3. VCI (Volatile Corrosion Inhibitors): VCI is a method that involves using chemicals that release vapors to create a protective layer on the steel surface. These chemicals inhibit the corrosion process by neutralizing the corrosive agents or forming a protective film on the steel surface. VCI can be applied through various methods, such as coating, wrapping, or inserting VCI paper or packets into the packaging of steel billets. 4. Alloying: Introducing alloying elements into the composition of steel billets can significantly improve their corrosion resistance. For example, adding chromium or nickel can enhance the stainless properties of steel, making it more resistant to corrosion. Alloying can be done during the initial production of steel billets or through post-treatment processes. 5. Environmental Control: Controlling the environment in which steel billets are stored or used is also crucial in preventing corrosion. This includes measures such as maintaining proper humidity levels, avoiding exposure to corrosive chemicals or gases, and minimizing contact with water or moisture. By controlling the environment, the likelihood of corrosion can be reduced, thereby protecting the steel billets. It is important to note that the choice of corrosion protection method depends on various factors, including the anticipated level of exposure to corrosive elements, the intended use of the steel billets, and cost considerations. Therefore, it is advisable to consult with corrosion experts or engineers to select the most suitable method for a particular application.
- Q:How are steel billets stored to prevent rusting?
- To prevent rusting, various measures are taken to store steel billets. Firstly, a dry and controlled environment with low humidity levels is typically utilized. This helps to minimize the presence of moisture, which is a primary catalyst for rust formation. Additionally, a protective layer such as oil or a rust inhibitor is often applied to the steel billets. This creates a barrier between the metal surface and the surrounding atmosphere, acting as a shield against moisture and oxygen. By preventing contact between these elements and the steel, rust formation is effectively hindered. Furthermore, to further reduce the risk of moisture absorption, steel billets are often stored off the ground. This is achieved by using pallets or racks to elevate the billets, allowing for proper air circulation. By doing so, the chances of condensation and subsequent rusting are greatly reduced. Regular inspection and maintenance are also vital in preventing rusting. Any signs of corrosion or damage to the protective coating should be promptly addressed to ensure the integrity of the steel billets. By implementing these storage practices, steel billets can be effectively safeguarded against rusting, ensuring their quality and usability for extended periods of time.
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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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