Carbon Steel Billets Square Billets70mm 100mm 130mm 150mm 3SP

Carbon Steel Billets Square Billets70mm 100mm 130mm 150mm 3SP System 1

Carbon Steel Billets Square Billets70mm 100mm 130mm 150mm 3SP

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1000 m.t.

Supply Capability:: 30000 m.t./month

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STEEL BILLET

1.Brief description

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.Features

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

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.Pictures

Carbon Steel Billets Square Billets70mm 100mm 130mm 150mm 3SP

5.Usage

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.Detailed 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.

Q: What are the main factors affecting the machined surface quality of steel billets?: The main factors affecting the machined surface quality of steel billets include the choice of cutting tool, cutting parameters such as cutting speed, feed rate, and depth of cut, the composition and properties of the steel billet, and the presence of any surface defects or impurities.

Q: How are steel billets used in the manufacturing of pressure vessels?: Steel billets are an essential component in the manufacturing of pressure vessels. These billets, which are semi-finished metal products, are typically made through a process called casting or extrusion. They are shaped into a solid square or rectangular form, ensuring a consistent and uniform material for further processing. To start the manufacturing process, the steel billets are heated to a specific temperature to make them more malleable and easier to work with. Once heated, they are placed into a forging machine, where they are subjected to intense pressure and shaping. This forging process helps to eliminate any defects or inconsistencies in the billet's structure, resulting in a stronger and more durable material. After forging, the steel billets are further processed through various techniques, such as rolling or machining, to achieve the desired dimensions and shape required for pressure vessel fabrication. These techniques help to refine the billet's surface finish and improve its mechanical properties. Once the billets have been shaped and processed, they are cut into smaller sections, which serve as the building blocks for pressure vessel construction. These sections are then welded together to form the shell of the vessel, ensuring a tight and secure seal to contain the high-pressure fluids or gases. The use of steel billets in pressure vessel manufacturing is crucial because of their superior strength, durability, and resistance to high-pressure environments. The uniformity and consistency of the billets provide a reliable material for fabricating vessels that can withstand extreme conditions and ensure the safety and integrity of the contents within. In summary, steel billets play a vital role in the manufacturing of pressure vessels as they provide the foundation for constructing the vessel's shell. Through a series of heating, forging, and processing techniques, the billets are transformed into strong and durable sections that are then welded together to form the final vessel. The use of steel billets ensures the structural integrity and reliability of pressure vessels, making them suitable for a wide range of industrial applications.

Q: What is the role of steel billets in the construction of bridges and tunnels?: Steel billets play a crucial role in the construction of bridges and tunnels as they serve as the raw material for manufacturing various structural elements. These billets are heated and shaped into beams, girders, and columns that provide the necessary strength and support required for these infrastructure projects. By using steel billets, engineers can ensure the durability, load-bearing capacity, and overall structural integrity of bridges and tunnels, making them safer and more reliable for transportation and other purposes.

Q: What are the different surface defects found in stainless steel billets?: There are several different surface defects that can be found in stainless steel billets. Some of the common surface defects include: 1. Scale: Scale is a thin layer of oxide that forms on the surface of stainless steel during the heating process. It appears as a dark, rough layer and can be easily removed by pickling or passivation. 2. Pitting: Pitting is localized corrosion that appears as small, shallow pits on the surface of the billet. It is caused by chloride ions or other aggressive chemicals and can lead to reduced corrosion resistance. 3. Scratches: Scratches can occur during handling, transportation, or processing of the billet. They are visible as linear marks on the surface and can affect the appearance and integrity of the material. 4. Lamination: Lamination defects occur as thin layers or flakes parallel to the surface of the billet. They are caused by improper rolling or inadequate bonding during the manufacturing process. 5. Inclusions: Inclusions are non-metallic particles or impurities that are embedded in the stainless steel billet. They can affect the mechanical properties and corrosion resistance of the material. 6. Decarburization: Decarburization is the loss of carbon from the surface of the billet during heating. It appears as a light-colored layer and can negatively impact the material's strength and hardness. 7. Cracks: Cracks can occur due to thermal stresses, improper cooling, or mechanical damage. They can be either surface cracks or internal cracks, and can significantly weaken the billet. It is important to detect and address these surface defects to ensure the quality and performance of stainless steel billets in various applications.

Q: What are the different types of steel billet forging defects?: Some common types of steel billet forging defects include surface cracks, internal voids or cavities, improper grain flow, and dimensional inconsistencies. Other defects may include porosity, inclusions, and decarburization.

Q: How are steel billets used in the manufacturing of oil and gas pipelines?: Steel billets are an essential component in the manufacturing of oil and gas pipelines. They serve as the raw material from which pipes are derived. Steel billets are essentially semi-finished steel forms that are cast into specific shapes and sizes for further processing. To manufacture oil and gas pipelines, the first step involves melting steel scrap and other alloys in a furnace to create molten steel. This molten metal is then poured into molds or continuous casting machines to produce steel billets. These billets are typically cylindrical in shape and can vary in length and diameter depending on the desired specifications of the pipeline. Once the steel billets are cooled and solidified, they undergo various shaping processes, such as hot rolling or extrusion, to transform them into seamless or welded pipes. Hot rolling involves passing the billets through a series of rollers that apply pressure and heat to shape them into the desired pipe form. On the other hand, extrusion involves forcing the billets through a die to create the pipe shape. The resulting pipes are then further processed through techniques like heat treatment, machining, and coating to enhance their strength, durability, and corrosion resistance. These processes ensure that the pipes can withstand the harsh conditions and pressures encountered in the oil and gas industry. Overall, steel billets play a crucial role in the manufacturing of oil and gas pipelines as they provide the starting material for creating the pipes. Their strength, versatility, and ability to withstand extreme conditions make them an ideal choice for constructing pipelines that transport oil and gas across long distances.

Q: How are steel billets used in the production of crankshafts?: Crankshafts rely on steel billets for their production, as these billets are essential in forming the foundation of this intricate component. Obtained through continuous casting or rolling of molten steel, steel billets are semi-finished products typically found in square or rectangular shapes. To create a crankshaft, the initial step involves heating the steel billet to a specific temperature, usually achieved through induction heating. This process enhances the billet's malleability, making it easier to shape. Once heated, the billet is placed into a forging machine, where it undergoes a series of compressive forces and plastic deformation. This gradual transformation results in the desired shape of the crankshaft. Throughout the forging process, the steel billet experiences immense pressure to ensure the metal grain structure aligns optimally. This alignment enhances the strength and durability of the crankshaft. Precise shaping of the crankshaft's main bearing journals, crankpin journals, and counterweights is achieved through carefully controlled forging techniques. Following the forging process, the partially finished crankshaft undergoes various machining operations, such as milling, turning, and grinding. These operations refine the crankshaft's dimensions and surface finish to meet the required specifications for smooth operation and efficient power transmission. In conclusion, steel billets are crucial raw materials in the production of crankshafts. Through the forging process, these billets are transformed into strong and resilient crankshafts capable of withstanding the demanding conditions of engines. The use of steel billets contributes to the production of crankshafts with superior strength, durability, and performance, making them vital components in the automotive and machinery industries.

Q: Can steel billets be used in the production of bicycles?: Yes, steel billets can be used in the production of bicycles. Steel is a commonly used material in bicycle manufacturing due to its strength, durability, and affordability. Steel billets can be shaped and manipulated to form various bicycle components such as frames, forks, and handlebars.

Q: How are steel billets used in the manufacturing of railway components?: Steel billets play a vital role as a primary raw material in the production of railway components. The billets serve as the initial stage in the manufacturing process, being transformed into a variety of parts including rails, wheels, axles, and structural elements. To commence the transformation, the steel billets undergo heating in a furnace to achieve a specific temperature, making them more malleable and easier to shape. Once heated, the billets are then subjected to a series of rolling mills, gradually taking on the desired form. For instance, in the production of railway tracks, the heated billets are rolled and shaped into long continuous bars known as rails. These rails are subsequently cut to the required length and undergo further processes such as straightening, grinding, and drilling to meet the necessary specifications. Similarly, steel billets are also employed in the manufacturing of railway wheels and axles. The heated billets are rolled and shaped into round bars, which are then subjected to additional processing to form the wheel and axle components. These components undergo further treatments such as heat treatment, machining, and testing to ensure their strength, durability, and ability to withstand the demanding loads and stresses associated with railway operations. Furthermore, steel billets find utility in the production of other railway components such as couplers, buffers, and suspension systems. These billets are shaped and processed according to the specific requirements of each component, ensuring proper functioning and compatibility with the overall railway system. In conclusion, steel billets are an indispensable ingredient in the manufacturing of railway components. Through heating and rolling processes, they are transformed into rails, wheels, axles, and other structural elements. These components then undergo further processing and testing to guarantee their quality, reliability, and adherence to the rigorous standards of the railway industry.

Q: What are the main factors affecting the corrosion resistance of steel billets?: Steel billets' corrosion resistance is determined by several main factors: the steel's composition, impurities present, surface condition, and the surrounding environment. To begin with, the steel's composition significantly affects its corrosion resistance. Stainless steels, for instance, possess high levels of chromium and other alloying elements that generate a protective oxide layer on the surface, granting excellent corrosion resistance. Conversely, carbon steels have lower resistance due to their increased carbon content and lack of alloying elements. Furthermore, the presence of impurities in the steel greatly impacts its corrosion resistance. Impurities like sulfur, phosphorous, and non-metallic inclusions act as corrosion initiation sites, leading to localized corrosion and reduced overall resistance. Consequently, managing impurities' presence and distribution during steel billet production is vital to improve corrosion resistance. Moreover, the surface condition of steel billets plays a crucial role in their corrosion resistance. A smooth and clean surface supports the formation of a protective oxide layer, acting as a barrier against corrosive substances. Conversely, rough or contaminated surfaces increase corrosion risk due to the larger surface area and potential for localized corrosion. Lastly, the surrounding environment has a significant influence on steel billets' corrosion resistance. Factors such as humidity, temperature, pH, and the presence of corrosive substances like acids, salts, or pollutants can accelerate corrosion. For instance, steel billets in high humidity or exposed to corrosive chemicals are more vulnerable to corrosion compared to those in dry or less corrosive environments. In conclusion, the corrosion resistance of steel billets relies on their composition, impurities present, surface condition, and surrounding environment. Considering these factors during steel billet production and handling is essential to ensure their long-term durability and resistance against corrosion.

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