Square Steel Billets Q235,Q255,Q275,Q345,3SP,5SP,20MnSi
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 200000 m.t./month
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Square Steel Billets Q235,Q255,Q275,Q345,3SP,5SP,20MnSi
Specification
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.
CNBM Q235,Q275,Q345,3SP,5SP,20MnSi Billets Steel
Hot Rolled Steel Billets/ Mild Steel Bar/ Billet Steel
Specification (see below)
Standard: GB/JIS/ASTM
Size: 50*50mm-180*180mm
Length: 3-12mtrs or Customised
Steel material: Q235,Q255,Q275,Q345,3SP,5SP,20MnSi
Technique: Hot rolled
FOB Unit Ton Price $250-350 and Usually I will quote you CFR price.
MOQ: Usually 1000-10000MT/size
Shipment:By Container,Bulk Vessel
Packaging Details: bundles with steel strips or as customers's requirements
Delivery time: Usually within 30 days after the deposit/LC
Inspection:Third party inspection before loading.
Technical data
Feature 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.
Packaging & Shipping
1. Packaging:
1) Small size: in bundles
2)Big size: in bulk
3)in plastic packing or as per customer requirement
2. Delivery time:
1) Normal size: within 7days send from warehouse directly
2) Special size: with 25-30days customer made for you
3. Trade terms:FOB/CFR/CIF
4. Shippment:
1) length:≤5.8m loaded in 20FT Container with 25-27tons
2) length:≤11.8m loaded in 40FT Container with 25-27tons
3) lengnth:≥12m shipped by bulk vessel, FILO terms
Steel Billet Images
Processing
Usage-Billet Steel
Used for the plant, the bridge,shipment building high-rise building construction,lifting and transportation machinery, equipment manufracturing base building the support foundation pile manufacturing.
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.
FAQ-Billet Steel
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) How long can we receive the product after purchase?
In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The pecific time of receiving is related to the state and position of customers.Commonly 7 to 10 working days can be served.
4)Do you have your own QC department?
Yes, we have, our QC department will inspect the goods during the process of mass production and after completion of production.
hot sale!!! Cast Steel Grades/ mild steel bar/ billet steel
(1): High quality steel with reasonable price.
(2): Wide excellent experiences with after-sale service.
(3): Every process will be checked by responsible QC which insures every product's quality.
(4): Professional packing teams which keep every packing safely.
(5): Trial order can be done in one week.
(6): Samples can be provided as your requirements.
- Q: How are steel billets used in the production of automotive chassis?
- Steel billets are an essential component in the production of automotive chassis. A billet is a semi-finished product that is typically a rectangular or square shape and is made by casting molten steel into molds. These billets are then further processed to create various components of the automotive chassis. Firstly, steel billets are subjected to a process called hot rolling. This involves heating the billets to high temperatures and then passing them through a series of rollers to shape them into the desired forms. During this process, the billets are elongated and shaped into different profiles, such as I-beams or C-channels, which are commonly used in automotive chassis construction. Once the desired shape is achieved, the hot-rolled steel is further treated through a process known as quenching and tempering. This involves rapidly cooling the steel in a controlled manner to increase its strength and durability. The steel is then reheated and slowly cooled to stabilize its microstructure, resulting in enhanced mechanical properties. The processed steel billets are then cut into specific lengths and welded together to form the main structural components of the automotive chassis, such as the frame or subframe. These components provide the necessary strength, rigidity, and stability to support the vehicle and withstand various loads and stresses encountered during operation. Steel billets are preferred in automotive chassis production due to their excellent strength-to-weight ratio, high tensile strength, and ability to withstand impact and bending forces. These characteristics make steel billets ideal for ensuring the safety and stability of the vehicle, as well as providing a solid foundation for other automotive components, such as suspension systems, engine mounts, and body panels. Overall, steel billets play a crucial role in the production of automotive chassis by providing the raw material for the creation of various structural components. Their strength, durability, and versatility make them a preferred choice in the automotive industry, ensuring that vehicles are built to withstand the demands of everyday use and provide a safe and reliable driving experience.
- Q: How are steel billets handled during transportation?
- To ensure the safety and integrity of steel billets during transportation, great care is typically taken. Specialized equipment, such as cranes, forklifts, or conveyors, is commonly used to lift and transport the heavy billets. Before being transported, the billets are often bundled or secured together to prevent shifting or falling. This bundling process may involve tightly holding the billets with steel straps or bands, ensuring they remain stable throughout transportation. Protective measures are also frequently implemented to prevent external damage. For example, the billets can be covered with protective coatings, such as oil or rust inhibitors, to shield them from moisture and corrosion. This is especially important when transporting billets over long distances or in unfavorable weather conditions. When it comes to loading the billets onto trucks, trains, or ships, careful attention is paid to balancing the weight distribution to avoid any imbalances or tipping during transit. The transportation vehicles used are designed to handle heavy loads and often have additional mechanisms, like straps, latches, or containers, to further secure the billets. During transit, the vehicles carrying the steel billets are operated with caution to minimize sudden movements or impacts. Drivers may need to follow specific routes or adhere to speed limits to ensure a smooth and safe journey. Regular inspections and maintenance of the transportation vehicles are carried out to ensure their reliability and prevent any mechanical failures that could jeopardize the safety of the billets. In conclusion, the transportation of steel billets requires meticulous planning, secure bundling, protective measures, and safe handling techniques. These practices are implemented to safeguard the billets and ensure they reach their destination in optimal condition, ready for further processing or utilization in various industries.
- 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: How are steel billets used in the production of reinforcement bars?
- Steel billets are the primary raw material used in the production of reinforcement bars. These billets are heated and then passed through a series of rolling mills to shape them into the desired size and shape of reinforcement bars. The rolling process also helps in improving the mechanical properties and strength of the bars. Once the bars are formed, they undergo further processes such as quenching and tempering to enhance their strength and durability. Overall, steel billets play a crucial role in the production of reinforcement bars by serving as the starting material and undergoing various manufacturing processes to produce high-quality bars used in construction and infrastructure projects.
- 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 rolled or forged into other shapes?
- Various shapes can be achieved from steel billets through the process of rolling or forging. Rolling entails passing the heated billet through a series of rollers that exert pressure to reshape the material. This method is commonly employed to fabricate long and flat shapes such as sheets, plates, and bars. Before rolling, the billet is heated to a specific temperature to increase its malleability. It is then introduced into the rolling mill, where a pair of rotating rollers applies pressure to reduce its thickness and elongate it. The rollers can have either smooth or grooved surfaces, depending on the desired shape of the end product. The billet undergoes multiple passes through the rollers, gradually diminishing its thickness and increasing its length. This process can be repeated with different sets of rollers to achieve precise dimensions and cross-sectional shapes. Finally, the product is cooled and cut to the desired length. On the other hand, forging involves applying compressive forces to the heated billet in order to shape it into various forms. There are two primary types of forging processes: open-die forging and closed-die forging. In open-die forging, the heated billet is inserted between two flat dies, and pressure is exerted by a hammer or press to deform the material. The billet is repeatedly struck or pressed until it takes on the desired shape. This method is commonly used for the production of large and intricate shapes, such as crankshafts, connecting rods, and turbine discs. Closed-die forging, also referred to as impression-die forging, entails the use of two or more dies with cavities that mirror the desired shape of the final product. The heated billet is positioned between the dies, and pressure is applied to compel the material into the cavities, completely filling them. This process is often employed for the fabrication of smaller and more intricate shapes, such as automotive parts, hand tools, and fittings. Both rolling and forging processes necessitate the heating of the billet to a specific temperature in order to enhance its ductility and facilitate shaping. The choice between rolling and forging depends on factors such as the desired shape, size, and mechanical properties of the final product.
- Q: What are the different surface finishes available for alloy steel billets?
- There are several different surface finishes available for alloy steel billets, depending on the specific requirements and applications. Some of the common surface finishes include: 1. Hot rolled: This is the most common surface finish for alloy steel billets. It is achieved by rolling the steel billet at a high temperature, which results in a rough and scaled surface. 2. Cold drawn: This surface finish is achieved by pulling the steel billet through a die at room temperature. It provides a smooth and polished surface, with improved dimensional accuracy and surface quality. 3. Peeled: In this process, a layer of material is removed from the surface of the steel billet using a peeling tool. It results in a smooth and shiny surface finish, with improved surface quality and dimensional accuracy. 4. Ground: This surface finish is achieved by grinding the surface of the steel billet using abrasive wheels or belts. It provides a smooth and uniform surface finish, with improved surface quality and dimensional accuracy. 5. Turned: In this process, the steel billet is rotated against a cutting tool, which removes material from the surface and creates a smooth and polished finish. It is commonly used for high precision applications where a smooth surface finish is required. 6. Polished: This surface finish is achieved by polishing the steel billet using abrasive compounds and buffing wheels. It provides a mirror-like finish, with improved aesthetic appeal and corrosion resistance. It is important to select the appropriate surface finish based on the specific requirements of the application, such as dimensional accuracy, surface quality, aesthetic appeal, and corrosion resistance.
- Q: What are the different types of steel billet welding processes?
- There are several types of steel billet welding processes, including submerged arc welding (SAW), gas metal arc welding (GMAW), shielded metal arc welding (SMAW), and flux-cored arc welding (FCAW). These processes differ in the type of electrode and shielding method used, as well as the specific conditions and equipment required for each process.
- Q: What are the factors that affect the quality of steel billets?
- There are several factors that can affect the quality of steel billets, including the composition of the raw material used, the temperature and duration of the melting process, the presence of impurities, the cooling rate during solidification, and the subsequent heat treatment processes. Other factors may include the equipment used for casting and rolling, the control of process parameters, and the overall quality management system in place.
- Q: What are the different surface defects that can occur during steel billet production?
- During steel billet production, several surface defects can occur, compromising the quality and performance of the final product. Some of the common surface defects include: 1. Scale: Scale is a layer of oxide that forms on the surface of the billet due to exposure to high temperatures during heating or rolling. It can reduce the surface quality and cause issues during subsequent processing stages. 2. Cracks: Cracks can form on the surface of the billet due to improper cooling or excessive stress during rolling. These cracks can propagate and lead to further structural weaknesses, affecting the integrity of the final product. 3. Pitting: Pitting refers to the formation of small cavities or depressions on the surface of the billet. It can occur due to reactions with chemicals or exposure to corrosive environments during production or storage. 4. Decarburization: Decarburization is the loss of carbon from the surface of the billet, leaving it with a lower carbon content. This can happen during heating or due to prolonged exposure to high temperatures, affecting the mechanical properties of the steel. 5. Lamination: Lamination defects occur when layers or sheets of material separate within the billet, leading to weak spots in the structure. This defect can be caused by improper casting, cooling, or rolling processes. 6. Inclusions: Inclusions are non-metallic particles or impurities that get trapped within the steel matrix during production. These can include oxides, sulfides, or other foreign materials, which can weaken the steel and reduce its overall properties. 7. Slivers: Slivers are thin strips or elongated pieces of steel that can detach from the billet's surface during rolling. These can cause surface roughness and affect the dimensional accuracy of the final product. 8. Seam: A seam defect occurs when the molten steel does not properly bond during the casting process, resulting in a visible line or seam on the surface of the billet. This defect can weaken the steel and compromise its structural integrity. To ensure high-quality steel billets, manufacturers employ various techniques such as proper control of heating and cooling processes, regular inspection and monitoring, and the use of advanced technologies to detect and eliminate these surface defects.
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Square Steel Billets Q235,Q255,Q275,Q345,3SP,5SP,20MnSi
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 200000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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