Steel Bloom Manufactured by Blast Furnace According to the GB700-88
- 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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OKorder Financial Service
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Steel Bloom Manufactured by Blast Furnace According to the GB700-88
1.Structure of Steel Bloom Manufactured by Blast Furnace According to the GB700-88
Steel Bloom Manufactured by Blast Furnace According to the GB700-88 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 According to the GB700-88
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 According to the GB700-88 Images
4. Steel Bloom Manufactured by Blast Furnace According to the GB700-88 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 According to the GB700-88
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？
Crack in continuous casting billet surface shall not be visible to the naked eye, overlapping, skull patch, or scarring, inclusion and depth
Height is greater than the
3 mm
Scratches, indentation, scratch, pores, wrinkles, cold splash, handle, bump, pits
And depth is greater than the
2 mm
The hairline.Casting billet cross-section can not have shrinkage cavity, subcutaneous bubble.
Crack in continuous casting billet surface shall not be visible to the naked eye, overlapping, skull patch, or scarring, inclusion and depth
Height is greater than the
3 mm
Scratches, indentation, scratch, pores, wrinkles, cold splash, handle, bump, pits
And depth is greater than the
2 mm
The hairline.Casting billet cross-section can not have shrinkage cavity, subcutaneous bubble.
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:What is the typical yield strength of a steel billet?
- The typical yield strength of a steel billet can vary depending on the specific grade and composition of the steel. However, in general, steel billets have a yield strength ranging from 300 to 500 megapascals (MPa). It is important to note that this is just a general range, and the actual yield strength can be higher or lower depending on factors such as the steel's alloying elements, heat treatment, and processing techniques.
- Q:How are steel billets used in the manufacturing of packaging equipment?
- Packaging equipment relies heavily on steel billets as a vital element in its manufacturing process. These billets serve as the primary material for producing diverse parts and components crucial to the functioning of packaging machinery. To begin with, steel billets are typically employed in the fabrication of packaging equipment frames and structures. The robust nature and enduring quality of steel make it an ideal selection for constructing a sturdy framework that provides support to the entire machine. This guarantees that the packaging equipment can endure the demands of continuous operation and heavy loads. Furthermore, steel billets are also instrumental in the production of significant components such as gears, shafts, and rollers. These components play a pivotal role in ensuring the smooth operation and rotation required for efficient product packaging. Steel's exceptional mechanical properties, including high tensile strength and resistance to wear and tear, render it suitable for these critical parts. Additionally, steel billets are frequently utilized in the manufacturing of cutting and forming tools employed in packaging equipment. These tools are responsible for shaping and cutting various materials like cardboard or plastic to create packaging containers or wrap products. The hardness of steel and its ability to maintain sharp edges make it an ideal material for crafting these tools, thus ensuring precise and efficient packaging operations. In conclusion, the significance of steel billets in the manufacturing of packaging equipment cannot be overstated, as they are instrumental in creating the frames, components, and tools necessary for the efficient and reliable operation of packaging machinery. The strength, durability, and versatility of steel billets make them the preferred choice in the packaging industry.
- Q:How are steel billets inspected for quality control?
- To ensure the quality of steel billets, a series of rigorous tests and inspections are conducted. The process begins with a visual examination, where any visible defects, irregularities in shape or size, surface finish issues, or signs of cracks or inclusions are carefully assessed. Following the visual inspection, non-destructive testing techniques, such as ultrasonic testing (UT) and magnetic particle inspection (MPI), are applied to the billets. UT utilizes high-frequency sound waves to detect internal flaws or defects, while MPI employs magnetic fields and iron particles to identify surface cracks or discontinuities. Additionally, destructive tests are performed to evaluate the mechanical properties of the billets. Tensile testing, for instance, involves subjecting a sample to tension until it fractures in order to measure its strength and elongation properties. Hardness testing, on the other hand, employs methods like Rockwell or Brinell tests to determine the billet's resistance to indentation or deformation. Chemical analysis plays a crucial role in quality control as well. Samples extracted from the billets undergo spectroscopic analysis to determine their chemical composition, ensuring compliance with the required specifications and standards. Moreover, dimensional measurements are carried out to verify the accuracy of the billets in terms of length, diameter, and other dimensional tolerances. Precision measuring tools like micrometers and calipers are utilized for this purpose. In conclusion, a comprehensive approach encompassing visual inspection, non-destructive testing, destructive testing, chemical analysis, and dimensional measurements is implemented to guarantee the quality of steel billets. This comprehensive quality control process effectively detects any defects or inconsistencies, ensuring that the billets meet the necessary standards and are suitable for further processing within the steel industry.
- Q:What are the different types of steel billet welding processes?
- Various industries commonly use several different types of steel billet welding processes. These processes include the following: 1. SMAW (Shielded Metal Arc Welding), also known as stick welding, utilizes a flux-coated electrode that is manually fed into the welding pool. It is a versatile and widely employed method for welding steel billets. 2. GMAW (Gas Metal Arc Welding), commonly referred to as MIG welding, involves a continuously fed wire electrode and a shielding gas to protect the weld pool. Due to its efficiency and ease of use, it is a popular choice for welding steel billets. 3. FCAW (Flux-Cored Arc Welding) is similar to GMAW, but instead of a solid wire, it uses a tubular electrode filled with flux. This process is often favored for outdoor or windy conditions due to the flux's superior protection against atmospheric contamination. 4. SAW (Submerged Arc Welding) entails feeding a consumable electrode and a granular flux into the weld zone, while the arc remains submerged beneath a layer of flux. It is commonly applied for welding large steel billets because of its high deposition rates and deep penetration capabilities. 5. GTAW (Gas Tungsten Arc Welding), also known as TIG welding, utilizes a non-consumable tungsten electrode and a shielding gas to safeguard the weld pool. This precise and high-quality welding process is suitable for thin steel billets or applications that require exceptional weld aesthetics. 6. ESW (Electroslag Welding) is a highly efficient process employed for welding thick steel billets. It involves melting a consumable electrode and the base metal in a molten slag pool, which provides protection and acts as a filler material. 7. LBW (Laser Beam Welding) utilizes a high-energy laser beam to melt and join steel billets together. It is a precise and fast welding process commonly used in industries such as automotive and aerospace. Each of these welding processes has its own advantages and limitations. The choice of process depends on factors such as the type and thickness of the steel billet, desired weld quality, production requirements, and cost considerations.
- Q:What are the main factors affecting the fatigue strength of steel billets?
- There are several main factors that can affect the fatigue strength of steel billets. 1. Material Composition: The composition of the steel billet, including the type and amount of alloying elements, plays a significant role in determining its fatigue strength. Elements like carbon, manganese, and silicon can influence the material's ability to resist fatigue and withstand cyclic loading. 2. Surface Quality: The surface quality of steel billets is crucial in determining their fatigue strength. Surface defects such as cracks, scratches, or pits can act as stress concentrators, leading to premature fatigue failure. Therefore, proper surface preparation and inspection are necessary to ensure high fatigue resistance. 3. Heat Treatment: The heat treatment process used to modify the microstructure of the steel billet can significantly affect its fatigue strength. Proper heat treatment techniques like quenching and tempering can improve the material's fatigue resistance by enhancing its hardness, strength, and toughness. 4. Grain Size: The grain size of the steel billet's microstructure also plays a role in determining its fatigue strength. Finer grains generally exhibit higher fatigue resistance due to reduced stress concentration and improved grain boundary strength. 5. Residual Stress: Residual stresses, which can result from various manufacturing processes, can significantly affect the fatigue strength of steel billets. High levels of residual stress can act as a starting point for fatigue cracks, reducing the material's fatigue life. 6. Operating Conditions: The operating conditions, including the applied cyclic load magnitude, frequency, and temperature, can affect the fatigue strength of steel billets. Higher loads, faster cycling rates, and elevated temperatures can all decrease the material's fatigue life. 7. Environmental Factors: The environment in which the steel billet operates can also impact its fatigue strength. Factors like humidity, corrosive gases, and exposure to chemicals can accelerate fatigue crack initiation and propagation, leading to reduced fatigue resistance. Understanding and considering these main factors affecting the fatigue strength of steel billets is crucial in designing components and structures that can withstand cyclic loading and ensure long-term reliability.
- Q:How do steel billets contribute to the overall sustainability of a product?
- The overall sustainability of a product is greatly enhanced by the use of steel billets. Firstly, steel is a widely recycled material, and the incorporation of steel billets into the manufacturing process enables a closed-loop recycling system. This system allows for continuous recycling and reusing of the steel billets without any loss in quality or performance. By recycling steel, the extraction of raw materials is reduced, conserving natural resources and decreasing energy consumption. Ultimately, this reduces the carbon footprint of the product. In addition, the use of steel billets contributes to the durability and longevity of a product. Steel is a highly durable material that can withstand harsh environmental conditions and heavy usage. By incorporating steel billets in the production process, products are made to last longer, reducing the need for frequent replacement and minimizing waste generation. Furthermore, steel billets find applications in various industries such as construction, automotive, and manufacturing, where sustainability is of utmost importance. Steel structures and components made from steel billets are renowned for their high strength-to-weight ratio, allowing for lighter structures and vehicles. This results in reduced energy consumption during transportation and improved fuel efficiency, particularly in the case of automobiles. Consequently, greenhouse gas emissions are reduced. Moreover, steel is a non-toxic material that does not release harmful substances into the environment. This ensures that products made from steel billets are safe for both consumers and the environment throughout their lifecycle. In conclusion, steel billets make a significant contribution to the overall sustainability of a product. They enable closed-loop recycling, reduce the need for raw materials extraction, increase product durability, promote energy efficiency, and are non-toxic. By incorporating steel billets into the production process, manufacturers can enhance the environmental performance of their products and contribute to a more sustainable future.
- Q:How do steel billets contribute to the strength of a structure?
- Steel billets contribute to the strength of a structure in several ways. Firstly, steel billets are produced by a process called casting, which involves pouring molten steel into molds and allowing it to solidify. This method ensures that the steel billets have a consistent and uniform composition, with minimal impurities. As a result, the structural integrity and strength of the final product are enhanced. Secondly, steel billets undergo a process called hot rolling or cold rolling, which further improves their strength. Hot rolling involves heating the steel billets to high temperatures and then passing them through a series of rollers, which compress and shape the steel into the desired form. This process helps align the steel's grain structure, making it stronger and more resistant to deformation. Additionally, steel billets are often used as raw material for the production of other steel products, such as beams, columns, and plates. These fabricated steel components are then incorporated into structures, providing additional strength and support. The high strength and durability of steel billets make them ideal for withstanding heavy loads, seismic forces, and other external pressures. Moreover, steel billets can be alloyed with other elements, such as carbon, manganese, and chromium, to enhance their mechanical properties and increase their strength. The addition of these alloying elements improves the steel's hardness, toughness, and resistance to corrosion, making it even more suitable for structural applications. Overall, steel billets play a crucial role in enhancing the strength of a structure. Through their uniform composition, hot or cold rolling processes, and alloying capabilities, steel billets contribute to the overall structural integrity, durability, and load-bearing capacity of buildings, bridges, and other infrastructure projects.
- Q:How are steel billets used in the production of industrial machinery?
- Industrial machinery production relies heavily on steel billets, which serve as essential components. These billets act as the raw material that undergoes shaping and transformation processes to produce a variety of machine parts. Typically, the billets are heated and then subjected to manufacturing techniques like forging, rolling, or extrusion. Forging is a commonly employed method in the production of industrial machinery. In this process, the billets are heated to high temperatures and shaped using compressive forces applied by a forging press or hammer. This enables the steel to be molded into desired shapes and sizes, resulting in components such as gears, crankshafts, or connecting rods. Rolling is another technique that utilizes steel billets in industrial machinery production. In this method, the heated billets are passed through a series of rollers to gradually reduce their thickness and shape them into long sheets or bars. These rolled steel products can then be further processed and used in the construction of machine frames, chassis, or structural components. Extrusion, on the other hand, is a technique that also involves steel billets. In this process, the billets are heated and forced through a die to create intricate shapes with consistent cross-sections. Extruded steel parts find extensive use in the production of machine components like tubes, pipes, or profiles. Overall, steel billets play a foundational role in the manufacturing of industrial machinery. They undergo various shaping and transformation processes to produce the necessary components that contribute to the overall functionality and durability of the machinery.
- Q:What are the different types of steel alloys used for manufacturing steel billets?
- Steel billets are manufactured using a variety of steel alloys, each designed to meet specific requirements for different applications. Carbon steel, for example, is a commonly used alloy that consists primarily of iron and carbon. Its strength and durability make it suitable for construction, automotive, and machinery purposes. Stainless steel, on the other hand, is composed of iron, chromium, and other elements like nickel and molybdenum. It is highly resistant to corrosion, making it ideal for applications in moist or harsh environments, such as marine equipment, medical instruments, and kitchen utensils. Alloy steel is another type of steel alloy used for manufacturing steel billets. By adding alloying elements like manganese, nickel, chromium, and vanadium to base iron, the strength, hardness, and wear resistance of the steel are enhanced. This type of steel is commonly used in aerospace components, automotive parts, and industrial machinery. Tool steel, a high-carbon alloy, contains additional elements such as tungsten, molybdenum, and vanadium. Its exceptional hardness, heat resistance, and wear resistance make it perfect for applications involving cutting, drilling, and shaping, such as cutting tools, drills, and molds. To summarize, carbon steel, stainless steel, alloy steel, and tool steel are all used in the manufacturing of steel billets. Each alloy offers specific properties and characteristics that make it suitable for various applications across different industries.
- Q:What is the role of steel billets in the production of railway wagons?
- The role of steel billets in the production of railway wagons is crucial as they serve as the primary raw material for manufacturing various components of the wagons. Steel billets are essentially semi-finished steel products that are cast into a specific shape, typically a square or a rectangle, and are used as the starting point for further processing. In the production of railway wagons, steel billets are first heated to a high temperature and then passed through a series of rolling mills to shape them into desired forms such as beams, plates, angles, channels, or other structural components. These components form the structural framework of the wagons, providing strength, durability, and stability. Steel billets are preferred in this process due to their exceptional strength and ability to withstand heavy loads, making them ideal for railway applications. They possess excellent mechanical properties, including high tensile strength, which ensures the wagons can endure the stresses and strains experienced during operation. Moreover, the use of steel billets allows for flexibility in design and customization, as they can be easily shaped and formed according to specific requirements. This adaptability enables manufacturers to produce railway wagons of various sizes, configurations, and capacities, catering to different transportation needs. Furthermore, steel billets are highly resistant to corrosion, which is particularly important for railway wagons exposed to harsh environmental conditions, such as rain, snow, and humidity. This resistance helps to maintain the structural integrity of the wagons, preventing premature deterioration and ensuring their long service life. Overall, the role of steel billets in the production of railway wagons is indispensable. They provide the necessary strength, durability, and customization options required for manufacturing robust and reliable wagons that can withstand the demanding conditions of railway transportation.
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Steel Bloom Manufactured by Blast Furnace According to the GB700-88
- 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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