Continuous Casting Steel Billet Q275/235
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 200000 m.t./month
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STEEL BILLET
1.Structure of Steel Billet
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.Main Features of Steel Billet
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 of Steel Billet
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.Steel Billet Images
5.Usage of Steel Billet
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. Steel Billet 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.
7.FAQ
We have organized several common questions for our clients，may help you sincerely：
1) How 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.
2) How to guarantee the quality of the products？
We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.
3)If there’s something wrong with the quality of the products, how do we return the goods?
We promise you the quality will be the same as the samples you confirmed. If there’s something wrong with the quality of the products, please send back sample from the shipment goods to us and let us know the quantity, then we will investigate in our work shop. If it is our problem, we will offer you discount or replacements for free.
- Q:What is the role of steel billets in the manufacturing of structural steel bridges?
- Steel billets play a crucial role in the manufacturing of structural steel bridges. These billets are essentially semi-finished products that serve as the raw material for the production of various steel products, including structural steel bridges. The process begins with steel billets being heated and then passed through a series of rolling mills to shape them into the desired form. This rolling process ensures that the billets are transformed into long, slender sections that can be utilized in the construction of bridges. Once the steel billets have been rolled into the appropriate shapes, they are then further processed and fabricated to create the necessary components for structural steel bridges. These components can include beams, columns, girders, and other critical elements that provide strength, stability, and load-bearing capabilities to the bridge structure. The use of steel billets in the manufacturing of structural steel bridges offers several advantages. Firstly, steel is known for its exceptional strength-to-weight ratio, making it an ideal material for constructing bridges that can withstand heavy loads while remaining relatively lightweight. The versatility of steel also allows for the creation of complex bridge designs, accommodating different architectural and engineering requirements. Additionally, steel billets are highly durable and resistant to environmental factors such as corrosion, which is crucial for ensuring the long-term integrity and safety of the bridge structure. This durability contributes to the overall longevity of the bridge, reducing maintenance and replacement costs over time. In summary, steel billets serve as the foundation for the production of structural steel bridges. Through the rolling and fabrication processes, these billets are transformed into the various components that make up the bridge structure, providing strength, stability, and durability. The use of steel billets enables the construction of bridges that can withstand heavy loads, remain lightweight, and withstand environmental factors, ensuring the long-term integrity and safety of the bridge.
- Q:How are steel billets used in the production of oil and gas components?
- Steel billets are used in the production of oil and gas components as they serve as the primary raw material for manufacturing various parts and equipment such as pipes, valves, flanges, and fittings. These billets are heated and shaped through processes like rolling, forging, or extrusion to achieve the desired dimensions and properties required for the specific component. The strength, durability, and corrosion resistance of steel make it an ideal choice for oil and gas applications, ensuring the reliability and integrity of the produced components.
- Q:What are the main uses of steel billets?
- Steel billets are primarily used as raw material in the manufacturing of various steel products, including bars, rods, wire, tubes, and structural components. They are also commonly utilized in the production of seamless pipes, automotive parts, machinery, and construction materials.
- Q:What are the different methods of surface treatment for steel billets?
- There are several different methods of surface treatment for steel billets, each serving a specific purpose and offering unique benefits. Some of the most common methods include: 1. Pickling: This process involves immersing the steel billets in an acid solution to remove any surface impurities, such as rust or scale. Pickling helps to improve the surface finish and prepare the steel for further treatment or processing. 2. Shot blasting: In this method, steel billets are bombarded with high-speed steel shots or grits to remove surface contaminants and create a uniform texture. Shot blasting is commonly used to remove rust, scale, or paint, and it can also improve the adhesion of subsequent coatings or paints. 3. Galvanizing: This surface treatment involves coating the steel billets with a layer of zinc to provide corrosion resistance. Galvanizing can be done through hot-dip galvanizing, where the steel is immersed in a molten zinc bath, or through electroplating, where a thin layer of zinc is deposited on the surface using an electric current. 4. Painting or powder coating: Steel billets can be painted or powder coated to provide both aesthetic appeal and protection against corrosion. Paints or powder coatings create a barrier between the steel surface and the environment, preventing moisture and other corrosive agents from reaching the metal. 5. Passivation: This method involves treating the steel billets with a chemical solution, typically an acid, to remove any free iron or iron oxide from the surface. Passivation helps to enhance the corrosion resistance of stainless steel and other alloys by creating a passive oxide layer that protects against further oxidation or rusting. 6. Nitriding: Nitriding is a surface hardening treatment where the steel billets are exposed to a nitrogen-rich atmosphere at elevated temperatures. This process diffuses nitrogen into the surface of the steel, forming a hardened layer that increases wear resistance and improves fatigue strength. 7. Chrome plating: Steel billets can be coated with a layer of chromium through electroplating, providing enhanced corrosion resistance and a shiny appearance. Chrome plating is often used in applications where aesthetics and durability are important, such as automotive parts or decorative fixtures. These are just a few examples of the different methods of surface treatment for steel billets. The choice of method depends on factors such as the desired outcome, the specific properties required, and the intended application of the steel billets.
- Q:What are the different methods of steel billet cutting and machining?
- Steel billets can be cut and machined using several different methods, each with its own advantages and applications. Some of the most commonly used methods include: 1. Sawing: To cut through a steel billet, a saw blade is employed. This method is relatively straightforward and cost-effective, making it suitable for cutting large quantities of billets into desired lengths. However, it may result in rough edges and necessitate additional finishing processes. 2. Flame cutting: Also known as oxy-fuel cutting, this method involves using a combination of fuel gas and oxygen to create a high-temperature flame that melts and cuts through the steel billet. It is effective for cutting thick billets and can achieve a high level of precision. Flame cutting can be carried out manually or using automated machines. 3. Plasma cutting: This method utilizes a plasma torch to generate a high-velocity jet of ionized gas that melts and cuts through the steel billet. It is particularly effective for cutting through thick materials and intricate shapes and curves. Plasma cutting provides high cutting speeds and excellent precision. 4. Waterjet cutting: In this method, a high-pressure jet of water mixed with abrasive particles is used to cut through the steel billet. Waterjet cutting is versatile and can handle various materials, including steel, without generating heat-affected zones or causing distortion. It is ideal for cutting complex shapes and thin materials. 5. Laser cutting: Laser cutting involves the use of a high-powered laser beam to melt and vaporize the steel billet along a predefined path. This method offers exceptional precision and enables intricate and complex cuts. Laser cutting is commonly used for thin to medium thickness billets and is suitable for both small-scale and industrial applications. In addition to these cutting methods, there are various machining processes that can be applied to steel billets, such as milling, turning, drilling, and grinding. These processes involve removing material from the billet to achieve desired shapes, dimensions, and surface finishes. The choice of machining method depends on factors such as the complexity of the part, required tolerances, and production volume. Overall, the different methods of steel billet cutting and machining provide a range of options for manufacturers to effectively shape and process steel billets according to their specific requirements.
- Q:How do steel billets compare to other forms of raw steel material?
- Steel billets are a preferred form of raw steel material due to their consistent shape and size, making them easier to handle and process. Compared to other forms like ingots or slabs, billets offer higher purity, improved mechanical properties, and better surface quality, making them ideal for various industrial applications.
- Q:What are the different types of extrusion processes used for shaping steel billets?
- Steel billets can be shaped using various extrusion processes in the manufacturing industry to create a wide range of steel products in different sizes and shapes. Examples of commonly used extrusion processes for steel billet shaping are: 1. Hot extrusion: This method involves heating the steel billet above its recrystallization temperature and then forcing it through a die to achieve the desired shape. The elevated temperature enhances the steel's malleability, making it easier to shape. 2. Cold extrusion: In contrast to hot extrusion, cold extrusion involves shaping the steel billet at room temperature or slightly higher. This process is suitable for producing precise and smooth finished components or smaller parts. 3. Direct extrusion: In direct extrusion, the steel billet is introduced into a chamber or container with a die at one end. A plunger or ram is then used to apply force, pushing the billet through the die and shaping it. This method is commonly used for creating long and continuous shapes like rods, tubes, and bars. 4. Indirect extrusion: Indirect extrusion is similar to direct extrusion, but in this process, the die remains stationary while the force is applied to the chamber or container. This causes the container to move and push the billet through the die. Indirect extrusion is preferred for producing complex shapes that require precise control over the extrusion process. 5. Impact extrusion: Impact extrusion is a specialized form of extrusion that utilizes a high-velocity impact force to shape the steel billet. The billet is placed inside a die, and a punch or hammer strikes it, causing it to flow and take the desired shape. This method is commonly used for creating hollow or tubular shapes like cans or containers. These examples represent only a fraction of the extrusion processes available for shaping steel billets. Each process has its own advantages and limitations, depending on the desired shape, size, and properties of the final product. Manufacturers select the most suitable extrusion process based on their specific requirements and 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:What are the different types of steel billet inspection equipment?
- The manufacturing industry utilizes various types of steel billet inspection equipment to guarantee the quality and integrity of the billets before further processing. These equipment are specifically designed for this purpose. 1. High-frequency sound waves are employed by Ultrasonic Testing (UT) Equipment to detect internal flaws or defects in the steel billets. It can identify cracks, voids, and other imperfections that may impact the final product's strength and performance. 2. Magnetic Particle Inspection (MPI) Equipment utilizes a magnetic field and specially formulated particles to identify surface and near-surface defects in the steel billets. It can uncover cracks, seams, and other imperfections that may not be visible to the naked eye. 3. Eddy Current Testing (ECT) Equipment uses electromagnetic induction to identify surface cracks and defects in the steel billets. It can detect variations in electrical conductivity caused by localized defects or changes in material properties. 4. Visual Inspection Equipment makes use of magnifying glasses, microscopes, and cameras to visually examine the steel billets for surface defects, irregularities, or other visual abnormalities. This equipment is often used together with other inspection methods for a comprehensive analysis. 5. Dimensional Measurement Equipment is employed to measure the dimensional accuracy and consistency of the steel billets. It includes tools such as calipers, micrometers, and laser scanners to ensure that the billets meet the required specifications and tolerances. 6. Surface Roughness Measurement Equipment quantifies the surface finish of the steel billets. It utilizes a stylus or laser to measure surface irregularities, providing crucial information about the billet's suitability for further processing. 7. X-ray Testing Equipment uses electromagnetic radiation to penetrate the steel billets and detect internal defects such as cracks, voids, or inclusions. This method is particularly effective for larger billets or when a comprehensive assessment of the internal structure is necessary. These are some of the commonly utilized steel billet inspection equipment in the manufacturing industry. Each type of equipment plays a vital role in ensuring that the steel billets meet the required quality standards and are appropriate for further processing into various end products.
- Q:What are the different surface treatment methods used for steel billets?
- Some of the different surface treatment methods used for steel billets include shot blasting, pickling, and galvanizing. Shot blasting involves propelling steel shots at high speeds to remove any mill scale or surface impurities. Pickling involves immersing the billets in an acid solution to remove any oxide layers and create a clean surface. Galvanizing involves coating the billets with a layer of zinc to provide corrosion resistance. Other methods such as painting, phosphating, and powder coating may also be used for specific applications.
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Continuous Casting Steel Billet Q275/235
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 200000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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