Alloyed Continue Casting Steel Billet by Blast Furnace According to the Standard of YB2011-83
- Ref Price:
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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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Alloyed Continue Casting Steel Billet by Blast Furnace According to the Standard of YB2011-83
1.Structure of Alloyed Continue Casting Steel Billet by Blast Furnace According to the Standard of YB2011-83
Alloyed Continue Casting Steel Billet by Blast Furnace According to the Standard of YB2011-83 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 Alloyed Continue Casting Steel Billet by Blast Furnace According to the Standard of YB2011-83
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. Alloyed Continue Casting Steel Billet by Blast Furnace According to the Standard of YB2011-83 Images
4. Alloyed Continue Casting Steel Billet by Blast Furnace According to the Standard of YB2011-83 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 Alloyed Continue Casting Steel Billet by Blast Furnace According to the Standard of YB2011-83
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 to check the appearance?
Appearance standard 2.1And the difference between the lengths of the continuous casting billet in cross section of diagonal should conform to the table2The provisions of the. 2.2And the degree of curvature of continuous casting billet per meter shall not be greater than20 mm,The total bending shall not be greater than the total length2%. 2.3, casting billet are allowed drum belly, but height shall not exceed the casting billet length allowed is deviation. 2.4Oblique cutting, casting billet end shall not be greater than20 mm. 2.5Casting billet end caused by shear deformation, spread shall not be greater than the length10%. 2.6, casting billet can not have apparent reverse..
- Q:How are steel billets used in the manufacturing of defense equipment?
- Steel billets are used in the manufacturing of defense equipment as they serve as the raw material for forging various components and parts. These billets are heated, shaped, and machined to create the necessary structures, such as gun barrels, armor plates, and gears, which are crucial for the production of durable and reliable defense equipment.
- Q:What are the main factors affecting the hardenability of stainless steel billets?
- The hardenability of stainless steel billets, or the ability of the material to be hardened through heat treatment, is influenced by several factors. 1. Alloy composition: The composition of stainless steel, particularly the content of elements such as carbon, chromium, nickel, and molybdenum, plays a significant role in its hardenability. Higher carbon content generally improves hardenability, while alloying elements like chromium and nickel enhance the corrosion resistance of stainless steel but may reduce its hardenability. 2. Grain size: The grain size of stainless steel billets affects the rate and depth of hardening. Finer grain structures tend to have better hardenability compared to coarser grain structures. This is because smaller grains allow for more uniform distribution of carbon and alloying elements, resulting in improved hardening response. 3. Heat treatment conditions: The specific heat treatment process used, including heating and cooling rates, soaking time, and quenching media, can significantly impact the hardenability of stainless steel billets. Proper control of these parameters is crucial to achieving the desired hardness and mechanical properties. 4. Cooling rate: The cooling rate during the quenching process is a critical factor in determining the hardenability of stainless steel. Rapid quenching, such as water or oil quenching, promotes martensitic transformation and greater hardness. Slower cooling rates, such as air cooling, result in a softer and less hardened structure. 5. Cross-sectional thickness: The thickness of the stainless steel billets also affects their hardenability. Thicker sections tend to have lower hardenability due to slower heat transfer rates during the quenching process. Thinner sections, on the other hand, can achieve higher hardness levels due to faster cooling rates. 6. Prior microstructure: The initial microstructure of the stainless steel billets, such as whether it is in the annealed or cold-worked condition, can influence hardenability. Cold work can introduce dislocations and grain boundaries, which may hinder the diffusion of carbon and alloying elements during heat treatment, resulting in reduced hardenability. Considering these factors, manufacturers and engineers must carefully select stainless steel grades and tailor the heat treatment process to achieve the desired level of hardenability and mechanical properties in stainless steel billets.
- Q:How do steel billets contribute to the overall aesthetics of a product?
- Steel billets play a crucial role in enhancing the overall aesthetics of a product in several ways. Firstly, the quality and finish of steel billets greatly impact the appearance of the final product. Steel billets are often used as raw material for various manufacturing processes such as forging, rolling, or machining. The smooth surface and uniform shape of high-quality steel billets contribute to a sleek and refined look of the end product. Additionally, steel billets offer designers and manufacturers a wide range of possibilities in terms of shape and size. They can be easily customized and transformed into various forms, allowing for intricate and unique designs that enhance the visual appeal of the product. Steel billets can be molded, cut, or manipulated to create complex patterns, textures, or contours, offering endless opportunities for artistic expression. Moreover, the strength and durability of steel billets contribute to the longevity and resilience of the final product. Aesthetics are not only about visual appeal but also about the perception of quality. Steel billets, known for their robustness and resistance to corrosion, provide a sense of reliability and sturdiness. This perceived quality enhances the overall attractiveness of the product, making it more desirable to consumers. In summary, steel billets contribute to the overall aesthetics of a product by providing a high-quality, customizable, and durable raw material. Their smooth surface, versatility in shaping, and inherent strength enhance the visual appeal, allowing designers to create visually captivating and long-lasting products.
- Q:What are the different methods of steel billet surface finishing?
- In the industry, various techniques are commonly employed for the surface finishing of steel billets. These techniques comprise: 1. Shot blasting: Shot blasting is a prevalent method utilized to cleanse and prepare steel billets for subsequent processing. It entails propelling abrasive particles onto the billet surface at high velocities. This process effectively eliminates rust, scale, and impurities, resulting in a pristine and smooth finish. 2. Grinding: Grinding is an alternative approach employed to attain a smooth and uniform surface finish on steel billets. It involves the utilization of abrasive wheels or belts to remove material from the billet surface. Depending on the billet size and requirements, grinding can be performed manually or using automated machinery. 3. Polishing: Polishing is generally employed to achieve a glossy and reflective finish on steel billets. This process entails the use of polishing compounds and buffing wheels to refine the surface and enhance its appearance. Polishing is commonly employed for decorative purposes or when a high-quality finish is desired. 4. Acid pickling: Acid pickling is a technique employed to eliminate oxide scale or rust from the surface of steel billets. It involves immersing the billets in an acid solution, such as hydrochloric acid, to dissolve impurities. Acid pickling is an effective method for achieving a uniform and clean surface finish on steel billets. 5. Passivation: Passivation is frequently employed to enhance the corrosion resistance of steel billets. It involves immersing the billets in a passivating solution, typically a mixture of nitric acid and water, to eliminate surface contaminants and facilitate the formation of a protective oxide layer. Passivation aids in preventing rust formation and prolonging the lifespan of steel billets. In conclusion, the selection of a suitable method for steel billet surface finishing depends on the desired finish, billet size and shape, and specific application requirements. Each method offers unique advantages and considerations. Therefore, careful consideration is crucial in selecting the appropriate technique to achieve the desired surface finish.
- Q:What are the different forging techniques used for steel billets?
- Steel billets can be forged using various techniques, each with its own benefits and results. Some commonly employed methods for forging steel billets are: 1. Open Die Forging: By placing the steel billet between two flat dies and applying compressive force, it can be shaped. This technique allows for the formation of a wide range of shapes and is often used for large and intricate components. 2. Closed Die Forging: Also known as impression die forging, this method utilizes specially shaped dies with impressions of the desired final shape. The steel billet is positioned between the dies and compressed to conform to the cavities. Closed die forging provides precise control over the shape and dimensions of the end product. 3. Roll Forging: Here, the steel billet is passed through rotating rolls that exert compressive force to shape it. Roll forging is commonly employed for the production of long cylindrical shapes like bars, rods, and shafts. 4. Upset Forging: This technique involves axial compression of the steel billet to increase its cross-sectional area and reduce its length. Upset forging is often used to create thicker sections or increase the material's diameter. 5. Press Forging: Hydraulic or mechanical presses are used in press forging to apply force to the steel billet, shaping it against the die. This method enables precise control over the forging process, making it suitable for intricate shapes or close tolerances. 6. Swaging: Swaging is a forging technique where the diameter of a steel billet is reduced by applying radial compressive force using a series of dies. This process is commonly employed to produce tapered or pointed components like pins, bolts, or needles. Each of these forging techniques offers unique advantages depending on the desired shape, size, and properties of the final product. The choice of forging technique is determined by factors such as part complexity, material properties, production volume, and cost considerations.
- Q:What are the common surface defects found in steel billets?
- Steel billets commonly exhibit surface defects, including scale, surface cracks, inclusions, decarburization, surface roughness, roll marks, and lamination. Scale, an oxide layer formed during manufacturing, appears as a flaky, rough coating and impacts steel quality. Surface cracks, caused by improper cooling, handling, or excessive stress, weaken the steel. Inclusions, non-metallic impurities like oxides or sulfides, create weak spots. Decarburization, carbon loss from the billet's surface due to high temperatures or inadequate protection, reduces hardness and strength. Surface roughness, irregularities from processing or handling, affects appearance. Roll marks result from issues with rolling mill equipment. Lamination refers to layering or separations within the billet, caused by poor solidification, temperature control, or impurities. Detecting and addressing these defects is crucial for producing high-quality steel. Inspection techniques like visual inspection, ultrasonic testing, magnetic particle testing, and eddy current testing help identify and classify defects.
- Q:How are steel billets used in the manufacturing of chemical processing equipment?
- Steel billets are an essential component in the manufacturing of chemical processing equipment. These billets serve as the raw material that undergoes various processes to transform into the final products required in chemical processing plants. Firstly, steel billets are used to produce high-quality steel plates that form the structural framework of chemical processing equipment. These plates are cut, shaped, and welded together to create vessels, reactors, and storage tanks. The strength and durability of steel make it an ideal choice for containing corrosive chemicals and withstanding high pressures and temperatures. Additionally, steel billets are also utilized in the production of pipes and fittings used in chemical processing plants. These billets are heated and passed through a series of rollers to form seamless or welded pipes. The resulting pipes are then further processed and fabricated to meet specific requirements such as corrosion resistance, heat resistance, and pressure ratings. Furthermore, steel billets are used to manufacture various components of chemical processing equipment, including valves, flanges, and other fittings. These components play a crucial role in controlling the flow of chemicals, regulating pressure, and connecting different parts of the processing system. Steel billets are machined, forged, or cast to create these components, ensuring their strength, reliability, and resistance to chemical corrosion. Overall, steel billets are an integral part of the manufacturing process for chemical processing equipment. Their versatility, strength, and resistance to corrosion make them the preferred choice for constructing the structural framework, pipes, and fittings required in chemical processing plants. By utilizing steel billets, manufacturers can ensure the reliability, safety, and longevity of the equipment used in the chemical industry.
- Q:What are the different surface treatments for improved surface cleanliness in steel billets?
- There are several surface treatments available for improving surface cleanliness in steel billets, including shot blasting, pickling, acid cleaning, and electrochemical cleaning. Shot blasting involves propelling abrasive particles onto the surface to remove scale, rust, and contaminants. Pickling involves immersing the billets in an acid solution to dissolve oxides and surface impurities. Acid cleaning uses chemical solutions to remove surface contaminants and oxides. Electrochemical cleaning utilizes an electric current to remove oxides and impurities from the surface. These treatments help ensure better surface cleanliness and prepare the steel billets for further processing or applications.
- Q:What are the different types of cutting methods used for steel billets?
- There are several different types of cutting methods used for steel billets, including sawing, shearing, flame cutting, and water jet cutting.
- Q:What are the common defects in steel billets during hot rolling?
- Some common defects in steel billets during hot rolling include surface cracks, internal cracks, surface scales, segregation, and surface defects such as pits, scars, and scratches. These defects can affect the quality and integrity of the final product and may require further processing or rejection of the billets.
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Alloyed Continue Casting Steel Billet by Blast Furnace According to the Standard of YB2011-83
- 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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