Raw Material Steel Rectangle Billet Bars
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 100000 m.t./month
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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.
Notes:
1, The theoretical weights in the list, base on the density of 7.85 g/cm3.
2, Formula for theoretical weight of Square bar: (length of a side)2 * 0.00785
3, The numbers with ＊mean that they are not regular or we don’t offer them.
-Regular length of Square Bar:
Steel | Length of a side (mm) | Length of steel (m) |
Normal steel | < 25 | 4~10 |
> 25 | 3~9 | |
Steel of high quality | All measure | 2~6 |
Tool steel >75 | 1~6 |
Usage/Applications
-The Square Bar is normally used as structure steel.
-Row material for other structure steel like steel angles, channels, I-beams, H-beams, etc…
Packaging & Delivery
-Packing Detail: The products can be packed in bundles by steel wires.
-Marks: We make tag marks and color marks. The tag marks with white background and red company logo will be tied up to each bundle of the products. The information is usually including basic information of products and company and other information requested by customers. As for color marks, we will paint both ends of bundles to make sure that it will be more convenient for customers to distinguish them from other products.
-Delivery Detail: 30~45 working days after receive buyer’s T.T. or L/C.
Transportation
-The products can be delivered by bulk vessel or by container. As for container, products with the length of 6m will be loaded in 20’ container, with 9m or 12m, in 40’ container.
-The maximum quantity of loading of container is 25 tons.
-The products are usually transported to the nearest port from the production place.
- Q:What are the different surface defects found in tool steel billets?
- There are several different surface defects that can be found in tool steel billets. These defects can occur during the manufacturing process or can be the result of handling, transportation, or storage. Some of the common surface defects found in tool steel billets include: 1. Decarburization: This defect occurs when the surface of the steel billet loses its carbon content due to exposure to high temperatures during heat treatment or improper cooling. Decarburization can lead to reduced hardness and wear resistance in the tool steel. 2. Scale: Scale refers to the formation of oxide layers on the surface of the steel billet. It can occur during the hot rolling process or due to exposure to high temperatures. Scale can negatively impact the surface finish and can also affect the mechanical properties of the tool steel. 3. Cracks: Cracks can occur on the surface of tool steel billets due to various reasons such as improper cooling, excessive stress during hot rolling, or quenching. These cracks can be either surface cracks (which are visible) or internal cracks (which may not be immediately visible). 4. Inclusions: Inclusions are non-metallic particles or impurities that are trapped within the steel billet during the manufacturing process. These inclusions can cause weak spots or discontinuities in the material, leading to reduced toughness and fatigue resistance. 5. Pitting: Pitting refers to the formation of small holes or cavities on the surface of the steel billet. It can be caused by localized corrosion, exposure to aggressive environments, or improper handling. 6. Roll marks: Roll marks are surface imperfections that occur due to the contact between the steel billet and the rolls during the hot rolling process. These marks can appear as grooves, scratches, or indentations on the surface of the tool steel. 7. Surface contamination: Tool steel billets can get contaminated with foreign substances such as dirt, oil, grease, or other particles during handling, transportation, or storage. These contaminants can negatively affect the surface finish and can also lead to corrosion or other defects. It is important to detect and address these surface defects in tool steel billets to ensure the desired performance and reliability of the final tooling products. Various inspection techniques and quality control measures are employed to identify and mitigate these defects, such as visual inspection, ultrasonic testing, magnetic particle inspection, and surface cleaning processes.
- Q:The form of carbon in carbon steels
- The solubility of carbon content when the iron carbon alloy than in the iron when the excess carbon can be in the form of carbide iron or elemental state (graphite) in alloy, which can form a series of carbide, Fe3C (cementite, 6.69%C) is a metastable phase, it is a compound complex structure gap. Graphite is a stable phase of iron carbon alloy with simple six - party structure. Fe3C has the potential to break down into iron and graphite stable phases, but the process is extremely slow at room temperature.
- Q:What are the common quality control measures for steel billets?
- Common quality control measures for steel billets include: 1. Dimensional checks: This involves measuring the length, width, and thickness of the billets to ensure they meet the specified tolerances. Any deviations from the required dimensions can indicate a potential quality issue. 2. Visual inspection: Billets are visually inspected to identify any surface defects such as cracks, scratches, or dents. This is typically done using visual aids like magnifying glasses or cameras to ensure the surface is free from any imperfections. 3. Chemical composition analysis: A sample is taken from the billet and analyzed to determine its chemical composition. This is important as it ensures that the steel meets the specified requirements in terms of the percentage of different elements, such as carbon, manganese, and sulfur. Deviations from the desired composition can affect the steel's strength and other properties. 4. Mechanical testing: Various mechanical tests are conducted on the billets to assess their strength, ductility, and other mechanical properties. These tests may include tensile testing, hardness testing, impact testing, and bend testing. The results are compared to the specified standards to ensure the billets meet the required mechanical properties. 5. Ultrasonic testing: This non-destructive testing method is used to detect internal defects or irregularities within the billets. Ultrasonic waves are sent through the billet, and any reflected waves or changes in wave patterns can indicate the presence of defects such as voids, inclusions, or cracks. 6. Heat treatment verification: Steel billets often undergo heat treatment processes to enhance their properties. Quality control measures involve verifying that the billets have been properly heat treated by conducting tests such as hardness testing or microstructure analysis. 7. Surface finish inspection: The surface finish of the billets is checked to ensure it meets the specified requirements. This can include measuring the surface roughness or visually inspecting for any deviations from the desired finish, such as scale, rust, or uneven surfaces. By implementing these quality control measures, steel manufacturers can ensure that the billets they produce meet the required standards and specifications, leading to high-quality end products.
- Q:What is the role of steel billets in the construction of offshore platforms?
- Steel billets play a crucial role in the construction of offshore platforms. These platforms are massive structures that are installed in the open sea to extract oil or gas from beneath the ocean floor. Due to the harsh environmental conditions and the need for utmost safety and durability, steel billets are widely used in their construction. One of the primary functions of steel billets is to provide the raw material for the fabrication of various components of offshore platforms. Billets are large, semi-finished steel products that are typically used as starting material for the production of other steel products. They are cast into a specific shape, usually a square or a rectangle, and have a solid cross-section. Offshore platforms require steel with exceptional strength, corrosion resistance, and impact toughness to withstand the challenging conditions they face, such as strong waves, harsh weather, and extreme temperatures. Steel billets are often made from high-strength alloyed steels, which offer superior mechanical properties and resistance to corrosion. These billets are then further processed to manufacture different structural elements of offshore platforms, including beams, columns, braces, and other support structures. These components must be able to support the weight of the platform itself, as well as withstand the forces generated by ocean waves, wind, and the extraction process. Moreover, steel billets are also used in the production of pipes and tubes, which are vital for transporting oil and gas from beneath the seabed to the platform or to the shore. These pipes need to be strong, durable, and resistant to corrosion to ensure the safe and efficient flow of hydrocarbons. In summary, steel billets serve as the building blocks for the construction of offshore platforms. They provide the raw material for fabricating various structural components, ensuring the strength, durability, and safety of these massive structures in the challenging offshore environment.
- Q:What is the average cost of steel billets?
- The average cost of steel billets can vary depending on several factors such as the type of steel, market conditions, and global supply and demand. Steel billets are semi-finished metal products that are typically used as raw material for the production of various steel products. As of September 2021, the average cost of steel billets ranges from $400 to $600 per metric ton. However, it is important to note that this price can fluctuate significantly in response to factors such as changes in raw material costs (such as iron ore and scrap metal), energy prices, transportation costs, and market dynamics. Additionally, regional factors such as import tariffs, trade restrictions, and currency exchange rates can also impact the average cost of steel billets in specific countries or regions. It is always advisable to consult with industry experts, steel suppliers, or market reports to obtain the most accurate and up-to-date information on the current average cost of steel billets.
- Q:How do steel billets contribute to the manufacturing of renewable energy equipment?
- Steel billets are an essential component in the manufacturing of renewable energy equipment, such as wind turbines and solar panels. These billets are used to create sturdy and durable structures, including tower bases for wind turbines and frames for solar panels. Additionally, steel billets are crucial in the production of transmission and distribution infrastructure required for renewable energy systems. Their strength and versatility make them an indispensable material in the renewable energy industry, enabling the efficient and reliable generation of green energy.
- Q:Can steel billets be used in the production of electrical components?
- Yes, steel billets can be used in the production of electrical components. Steel billets are semi-finished products that are typically used to produce various types of steel products, including electrical components. Steel is a versatile material that offers excellent strength, durability, and electrical conductivity, making it suitable for use in electrical applications. Steel billets can be further processed and shaped into different forms such as bars, rods, or sheets, which can then be used to manufacture electrical components such as connectors, terminals, wires, and cables. Additionally, steel can be coated or plated with other materials to enhance its conductivity or provide corrosion resistance, further increasing its suitability for electrical component production.
- Q:Our caster is square billet! 150X500! That is, every time we open the head, there is slag inclusion. And pores! Yes, the first 3 meters! There's no more left behind! How did it happen, please?! We have a refinery and electromagnetic stirring! Give me a hand!
- In the production process of steel castings, the appearance of quality defects is unavoidable. It is essential to take reasonable measures to avoid the inclusion of slag in the cast steel. It is necessary to understand the reason why the porosity of the cast steel is caused by slag inclusion so that the quality of the cast steel can be improved.In order to solve the pinhole of slag phenomenon, the first thing to do is to understand the cause of steel casting porosity slag phenomenon, and take corresponding measures according to the original material,
- Q:What are the different packaging options available for steel billets?
- Steel billets can be packaged in various ways to meet the specific needs and preferences of customers. Here are some commonly used packaging options: 1. Wooden Crates: To ensure safe transportation and storage, steel billets can be secured in sturdy wooden crates. These crates offer protection against moisture and physical damage. 2. Steel Frames: Another option is to package the steel billets using steel frames. These frames, made of strong and durable steel bars, securely hold the billets in place, providing stability and protection. 3. Plastic Wrapping: Plastic wrapping is also a viable packaging method. It involves tightly wrapping the billets with plastic film to shield them from dust, moisture, and scratches. 4. Wire Binding: Steel billets can be bundled together using steel wires, a common packaging choice. This method ensures stability and prevents movement during transportation. 5. Customized Packaging: Some customers may require customized packaging for their steel billets. This can involve using specific materials like foam or cardboard for added protection, or incorporating branding elements on the packaging. Ultimately, the choice of packaging depends on factors such as billet size and weight, mode of transportation, and specific customer requirements. It is crucial to consider factors such as protection, stability, ease of handling, and cost-effectiveness when selecting the most suitable packaging option for steel billets.
- Q:What are the different types of steel billets used in the aerospace industry?
- Various types of steel billets are utilized in the aerospace industry to meet the stringent requirements for aircraft components. Rigorous testing and quality control are undertaken on these steel billets to ensure they meet the necessary standards for aerospace applications. 1. Stainless Steel Billets: Stainless steel proves to be highly resistant to corrosion, making it an ideal choice for aircraft parts that are exposed to moisture, high temperatures, and chemicals. It possesses excellent mechanical properties, including high strength and toughness, which are essential for aerospace components. 2. Alloy Steel Billets: Alloy steel combines iron with other elements, such as nickel, chromium, and molybdenum, to enhance specific properties. These billets offer outstanding strength, hardness, and wear resistance, making them suitable for critical parts like landing gear, engine components, and structural elements. 3. Tool Steel Billets: Tool steel is renowned for its exceptional hardness, toughness, and high temperature resistance. It is commonly used in the aerospace industry for manufacturing cutting tools, dies, and molds. The ability to retain its hardness at elevated temperatures makes tool steel billets crucial for machining and shaping aerospace components. 4. Carbon Steel Billets: Due to its high strength, low cost, and ease of manufacturing, carbon steel is widely utilized in the aerospace industry. It primarily finds application in non-critical parts such as brackets, fasteners, and supports. Carbon steel billets can be further classified based on their carbon content, with higher carbon steel providing greater strength but reduced ductility. 5. Titanium Steel Billets: Titanium alloys are extensively employed in the aerospace industry due to their exceptional strength-to-weight ratio, corrosion resistance, and high-temperature performance. These billets offer excellent mechanical properties while being lightweight, making them ideal for critical components like aircraft frames, engine parts, and landing gear. It is essential to consider factors such as strength, weight, corrosion resistance, temperature resistance, and cost when selecting steel billets for aerospace components. The choice of steel billets plays a crucial role in ensuring the safety, performance, and longevity of the aircraft components.
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Raw Material Steel Rectangle Billet Bars
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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