• Steel Bloom Manufactured by Big Blast Furnace System 1
  • Steel Bloom Manufactured by Big Blast Furnace System 2
Steel Bloom Manufactured by Big Blast Furnace

Steel Bloom Manufactured by Big Blast Furnace

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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

 

 

 

Steel Bloom Manufactured by Big Blast Furnace

Steel Bloom Manufactured by Big Blast Furnace

 

 

 

 

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 different quality control measures for steel billets?
To ensure the high quality of steel billets, several quality control measures are implemented during their production and inspection. These measures encompass: 1. Thoroughly analyzing the chemical composition of steel billets to ensure it aligns with the required specifications. This analysis involves determining the content of elements like carbon, manganese, sulfur, phosphorus, and others. Any deviations from the specified composition can impact the mechanical properties of the billets. 2. Verifying the size, shape, and weight of steel billets through dimensional inspection. This entails measuring the length, width, and thickness of the billets using precision instruments and ensuring they meet the specified tolerances. Any deviations from the required dimensions can affect the billets' performance during subsequent processing. 3. Inspecting the surface of steel billets for defects or irregularities. This includes checking for cracks, surface discontinuities, surface roughness, and other imperfections. Surface inspection is typically conducted using visual inspection techniques or non-destructive testing methods like magnetic particle testing or ultrasonic testing. 4. Conducting mechanical testing to assess the mechanical properties of steel billets. This involves tests such as tensile testing, hardness testing, and impact testing to determine the billets' strength, ductility, toughness, and other mechanical characteristics. These tests ensure that the billets possess the required mechanical properties for their intended applications. 5. Examining the microstructure of steel billets through metallurgical examination. This helps identify any defects in the metal structure, such as grain size, segregation, inclusions, or improper heat treatment. By assessing the metallurgical properties, the quality control team can ensure that the billets are free from any internal defects that might compromise their structural integrity. 6. Using non-destructive testing techniques like ultrasonic testing, magnetic particle testing, or eddy current testing to detect internal defects or discontinuities that may not be visible through visual inspection. These methods allow for the detection of flaws without damaging the billets, ensuring their integrity is maintained. 7. Maintaining proper documentation and traceability throughout the production process. This involves documenting the results of all inspections, tests, and analyses performed on the steel billets, as well as tracking their origin, processing history, and any relevant certifications. This documentation ensures transparency and enables traceability in case of any quality-related issues. By implementing these quality control measures, steel manufacturers can ensure that the produced billets meet the required specifications, possess the desired properties, and are of high quality. This enhances their reliability and suitability for various applications in industries such as construction, automotive, and manufacturing.
Q: What is the standard tolerance for steel billet dimensions?
The standard tolerance for steel billet dimensions can vary depending on the specific industry and application. However, in general, the standard tolerance for steel billet dimensions is typically ±0.005 to ±0.010 inches (±0.13 to ±0.25 mm). These tolerances ensure that the dimensions of the steel billets are within an acceptable range to meet the required specifications and standards. It is important to note that different industries and applications may have their own specific tolerances based on their unique requirements and quality standards. Therefore, it is crucial to consult the relevant industry or application-specific standards to determine the precise tolerance for steel billet dimensions.
Q: What is the difference between continuous casting billet and cast billet?
but with high-grade continuous casting line (full protection casting, electromagnetic stirring, liquid stopper control) compared both have a big difference in the crystal, oxidation, surface quality.
Q: Can steel billets be forged into complex shapes?
Complex shapes can be achieved by forging steel billets. The process involves heating the billet to a specific temperature, usually above its recrystallization temperature, and then applying pressure to shape it. Various forging techniques like open die, closed die, or impression die forging can be used. Steel is highly malleable and can be easily shaped and deformed under heat and pressure. This property allows steel billets to be forged into intricate shapes like gears, turbine blades, automotive parts, and other components used in different industries. Forging not only shapes the billet but also enhances its mechanical properties, making it stronger and more durable. The resulting forged steel has a refined grain structure, improving its toughness, resistance to fatigue, and resistance to cracking. However, forging complex shapes from steel billets requires skilled craftsmanship and specialized equipment. The process may involve multiple steps like pre-forming, rough forging, and finish forging to achieve the desired shape and dimensions. Computer-aided design (CAD) and computer-aided manufacturing (CAM) technologies are often used to optimize the forging process and ensure precision and accuracy. To sum up, steel billets can be forged into intricate shapes. Through forging, the malleability of steel is harnessed to create components with improved mechanical properties.
Q: What are the different types of steel billet defects?
There are various types of steel billet defects, including surface defects like cracks, laps, and scars, as well as internal defects such as segregation, porosity, and inclusions.
Q: What are the different types of tests conducted on steel billets?
There are several different types of tests that are conducted on steel billets to ensure their quality and suitability for various applications. These tests are essential in determining the mechanical properties, chemical composition, and integrity of the steel billets. 1. Chemical Composition Analysis: This test involves examining the chemical composition of the steel billets to ensure that they meet the required standards and specifications. It measures the levels of various elements such as carbon, manganese, silicon, sulfur, and phosphorus. 2. Tensile Test: This test measures the tensile strength, yield strength, and elongation of the steel billets. It helps determine the ability of the steel to withstand pulling forces without breaking. 3. Hardness Test: This test determines the hardness of the steel billets, which is essential in evaluating their resistance to wear, deformation, and penetration. Commonly used hardness tests include Brinell, Rockwell, and Vickers tests. 4. Impact Test: This test measures the toughness and ability of the steel billets to absorb energy under impact or sudden loading conditions. It helps determine their resistance to fracture and cracking. 5. Ultrasonic Testing: This non-destructive test uses high-frequency sound waves to detect internal flaws or defects in the steel billets. It is commonly used to detect cracks, voids, and inclusions that may affect the structural integrity of the billets. 6. Dimensional Inspection: This test ensures that the steel billets meet the specified dimensional requirements, including length, width, and thickness. It ensures that the billets are suitable for their intended application and can be used in subsequent manufacturing processes without any issues. 7. Macroscopic Examination: This visual inspection involves examining the surface and internal structure of the steel billets using magnification. It helps identify any visible defects such as cracks, porosity, segregation, or any other irregularities. 8. Microscopic Examination: This test involves examining the microstructure of the steel billets using a microscope. It helps determine the grain size, presence of phases, and any abnormalities in the steel structure that may affect its properties. These tests collectively ensure that the steel billets meet the required quality standards and possess the necessary mechanical properties for their intended applications. They help ensure the safety, reliability, and performance of the steel billets in various industries such as construction, automotive, aerospace, and manufacturing.
Q: How are steel billets used in the production of bars and rods?
Steel billets are an essential raw material used in the production of bars and rods. These billets, which are usually produced through a process called continuous casting, are solid blocks of semi-finished steel with a square or rectangular cross-section. To transform steel billets into bars and rods, several steps are involved. First, the billets are reheated to a specific temperature in a furnace to make them more malleable. This heating process, known as soaking, helps to homogenize the steel's composition and improve its plasticity. Once the billets reach the desired temperature, they are then passed through a series of rollers in a process called hot rolling. The rollers apply pressure to the billets, gradually reducing their cross-sectional area and elongating them into long, slender shapes. This hot rolling process helps to refine the grain structure of the steel, align its crystalline structure, and improve its mechanical properties. After hot rolling, the bars and rods are often subjected to further processes, such as cooling, straightening, and cutting. Cooling is crucial to prevent the steel from becoming too brittle, while straightening ensures the final product has the desired shape and dimensions. Finally, the bars and rods are cut into specific lengths, ready to be used in various industries such as construction, automotive, and manufacturing. In summary, steel billets form the starting point for the production of bars and rods. Through processes like reheating, hot rolling, and subsequent treatments, these billets are transformed into high-quality, durable bars and rods that are widely used in various applications.
Q: How are steel billets coated or painted?
Steel billets can be coated or painted through several methods. One common technique is hot-dip galvanizing, where the billets are immersed in a bath of molten zinc. This process forms a protective zinc coating on the surface of the steel, preventing corrosion. Another method is electroplating, which involves the deposition of a thin layer of metal, such as zinc or nickel, onto the billets using an electric current. Additionally, steel billets can be painted using various coating systems, such as powder coating or liquid paint, to provide a decorative finish or additional protection against rust and environmental factors.
Q: How are steel billets used in the production of industrial furnaces?
Steel billets are used in the production of industrial furnaces as the primary raw material for constructing the furnace structure and components. These billets are melted and molded into various shapes and sizes to create the furnace body, walls, doors, and other necessary parts. The high strength and heat resistance of steel make it ideal for withstanding the extreme temperatures and harsh conditions within the furnace, ensuring its durability and longevity.
Q: What is the role of steel billets in the construction of high-rise buildings?
Steel billets play a crucial role in the construction of high-rise buildings as they serve as the raw material for manufacturing structural steel sections such as beams, columns, and reinforcement bars. These sections are essential for providing strength, stability, and load-bearing capacity to the building's framework. Steel billets are heated, molded, and shaped into these sections, which are then assembled to form the structural skeleton of the building. Their high strength-to-weight ratio and durability make steel billets an ideal choice for constructing tall buildings that can withstand various weather conditions and structural loads.

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