TK 440 superior hot rolled Carbon Steel Billets Square Billets
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 1000000 m.t./month
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Product Description
TK 440 superior hot rolled Carbon Steel Billets Square Billets
Size:30*30mm-150*150mm
Standard: GB,BS,ASTM
Grade: Q195/215/235/345/45#/3SP/5SP,ect
Application: Carbon structural steel, alloy structural steel, gear steel, spring steel,
bearing steel, etc.
Packaging Detail: exporting standard packing in mill or as request
Delivery Detail: within 15-30 days after receiving deposits or original LC
The Billets produced by the company can be broadly divided into three main types i.e.
1. M.S. Billets
2. CRS Billets
3. Special Alloy Billets
M.S. Billets are used for rolling of TMT Re-Bars of Fe415 and Fe500 Grade and various other structural steel products.
CRS Billets are used for rolling of CRS TMT Re-Bars.
Special Alloy Billets are used for rolling of any special grade TMT Re-Bars like Earthquake resistant TMT Re-Bars and for special grade structural steel products.
Square steel billet
1.Chemical Analysis | |||
Grade | Carbon(%) | Manganese(%) | Silicon(%) |
A | 0.14~0.22 | 0.30~0.65 | Max0.30 |
B | 0.12~0.20 | 0.37~0.67 | Max0.30 |
C | Max0.18 | 0.35~0.80 | Max0.30 |
D | Max0.17 | 0.35~0.80 | Max0.35 |
2.Mechnical Properties | |||
Tensile Strength(σb/Mpa) | Elongation(δ5/%) | ||
375---500 | ≥26(a≤16mm) | ||
3.basic information | |||
length | Spectfication(mm) | Material quality | Executive standard |
6m | 120*120 | Q235 | GB700-88 |
4.Trade information | |||
Price terms | Payment terms | Delivery time | Packing |
FOB/ CIF | T/T, L/C | Within 30 days | bundles |
- Q:Can steel billets be coated for improved corrosion resistance?
- Yes, steel billets can be coated for improved corrosion resistance. Coating steel billets with a protective layer helps to prevent corrosion by acting as a barrier between the steel and its surrounding environment. There are several coating methods available for steel billets, including hot-dip galvanizing, electroplating, and powder coating. Hot-dip galvanizing involves immersing the steel billets in a bath of molten zinc, which forms a thick, durable coating on the surface. This zinc coating provides excellent corrosion protection, even in harsh environments. Moreover, it offers a sacrificial layer that corrodes preferentially to the steel, further enhancing its corrosion resistance. Electroplating is another commonly used method for coating steel billets. In this process, a thin layer of another metal, such as zinc, nickel, or chromium, is deposited onto the surface of the billets through an electrochemical reaction. The electroplated layer acts as a barrier against corrosion and can also provide aesthetic appeal. Powder coating is a technique where a dry powder is applied to the surface of the steel billets and then cured under heat to form a protective coating. This method offers excellent corrosion resistance and also provides additional benefits, such as improved impact resistance and flexibility. By applying suitable coatings to steel billets, their corrosion resistance can be significantly improved, increasing their lifespan and reducing maintenance requirements. However, the choice of coating method should consider factors such as the intended application, environmental conditions, and cost-effectiveness.
- Q:How are steel billets inspected for internal and surface defects?
- To ensure the quality and integrity of steel billets, various methods are employed to inspect them for internal and surface defects. One commonly used technique for detecting internal flaws is ultrasonic testing. This involves transmitting high-frequency sound waves through the billet and analyzing the reflections received to identify any discontinuities or defects such as cracks, voids, or inclusions. Another method used to inspect internal defects is magnetic particle inspection. This process entails applying a magnetic field to the billet and coating it with iron particles. If there are any internal defects or cracks, they will disrupt the magnetic field, causing the iron particles to accumulate at these locations and become visible under appropriate lighting conditions. When it comes to surface defects, visual inspection is typically the initial step. Expert inspectors visually examine the billet for any visible irregularities like cracks, pits, scratches, or deformities. They may also utilize specialized tools like magnifying glasses or microscopes to ensure a thorough examination. In addition to visual inspection, non-destructive testing techniques can also be employed to detect surface defects. One commonly used method is dye penetrant testing. In this procedure, a colored liquid dye is applied to the surface of the billet. The dye seeps into any surface defects and is later removed, leaving behind a visible indication of the defect. This technique is particularly effective in detecting surface cracks or discontinuities. Another technique used for surface defect inspection is eddy current testing. This technique is based on the principle that a fluctuating magnetic field induces electrical currents in conductive materials like steel. Any surface defects or irregularities will disrupt the induced currents, which can be detected by monitoring changes in the electrical properties of the billet. Eddy current testing is commonly employed to identify surface cracks, pits, or variations in thickness. In conclusion, a combination of these inspection methods allows for a comprehensive evaluation of steel billets, ensuring that both internal and surface defects are identified and addressed before the billets undergo further processing or are used in various applications.
- Q:How are steel billets cut into smaller pieces?
- Steel billets are typically cut into smaller pieces using a process called sawing or shearing. This involves using specialized machinery equipped with blades or shear tools to slice the billets into desired lengths or sizes.
- Q:How do steel billets contribute to the overall aesthetics of a product?
- Steel billets do not directly contribute to the overall aesthetics of a product as they are semi-finished products in the steel manufacturing process. However, they play a crucial role in determining the structural integrity and quality of the final product, which indirectly impacts its overall aesthetics.
- Q:What are the different finishing processes used for steel billets?
- There are several different finishing processes used for steel billets to achieve the desired surface quality and dimensions. These processes include: 1. Hot rolling: This process involves passing the steel billets through a series of heated rollers to reduce their thickness and shape them into the desired profile. It can be used to produce a variety of finished products, such as bars, rods, and structural shapes. 2. Cold drawing: In this process, the steel billets are pulled through a series of dies at room temperature to reduce their cross-sectional area and improve their surface finish. Cold drawing is commonly used to produce high-quality steel bars and wires with precise dimensions and a smooth surface. 3. Peeling: Peeling is a machining process in which a thin layer of material is removed from the surface of the steel billets using a cutting tool. This process helps to improve the surface finish, remove any defects, and achieve tight dimensional tolerances. 4. Grinding: Grinding involves using an abrasive wheel or belt to remove material from the surface of the steel billets. It is commonly used to remove surface defects, such as scale and rust, and to achieve a smooth and uniform surface finish. 5. Polishing: Polishing is a finishing process that involves using abrasive materials, such as polishing compounds and buffing wheels, to create a smooth and reflective surface on the steel billets. It is often used to enhance the aesthetic appeal of the finished product and improve its resistance to corrosion. 6. Coating: Coating is a process in which a protective layer is applied to the surface of the steel billets to improve their resistance to corrosion and other environmental factors. Common coating methods include galvanizing, where a layer of zinc is applied to the surface, and painting, where a layer of paint or other protective material is applied. Overall, these finishing processes are essential in ensuring that steel billets meet the required specifications and standards for their intended applications. They help to improve the surface finish, dimensional accuracy, and overall quality of the finished steel products.
- Q:How are steel billets used in the production of bearings?
- Steel billets are first heated and then forged or rolled into the desired shape and size for bearing production. These billets serve as the raw material for manufacturing bearing components such as inner and outer rings, cages, and rolling elements. The billets are carefully processed and machined to meet the specific requirements of the bearing design, ensuring strength, durability, and precision in the final product.
- Q:How are steel billets used in the manufacturing of fasteners?
- Fasteners are devices utilized for the purpose of joining or securing multiple objects together, and steel billets play a vital role in their production. These billets serve as the primary material from which fasteners are created. Typically, steel billets possess a square or rectangular shape and are considered semi-finished products. To produce them, molten steel is poured into molds and allowed to cool and solidify through a process known as casting. Once the steel billets have been obtained, they undergo a series of manufacturing procedures to transform them into fully functional fasteners. These procedures encompass hot rolling, cold drawing, and machining. The initial step involves hot rolling, in which the steel billets are subjected to high temperatures and passed through a set of rollers. This process enables the billets to take on the desired shape of long, cylindrical bars or rods with a specific diameter. Following hot rolling, the bars undergo cold drawing. This process entails pulling the bars through a series of dies to reduce their diameter and enhance their surface finish. Additionally, cold drawing contributes to improving the mechanical properties of the steel, rendering it stronger and more resilient. Finally, the steel bars are machined to create fasteners with precise designs. This involves cutting, threading, and forming the bars into bolts, screws, nuts, or other types of fasteners. Subsequently, the machined fasteners undergo heat treatment processes such as quenching and tempering to further enhance their strength and hardness. In summary, steel billets hold immense importance in the manufacturing of fasteners as they serve as the raw material that undergoes various transformation processes. Through hot rolling, cold drawing, and machining, steel billets are shaped into the desired form, resulting in high-quality fasteners that meet industry standards.
- Q:Can steel billets be forged into complex shapes?
- Complex shapes can be achieved by forging steel billets. The process involves heating the billet to a specific temperature, usually above its recrystallization temperature, and then applying pressure to shape it. Various forging techniques like open die, closed die, or impression die forging can be used. Steel is highly malleable and can be easily shaped and deformed under heat and pressure. This property allows steel billets to be forged into intricate shapes like gears, turbine blades, automotive parts, and other components used in different industries. Forging not only shapes the billet but also enhances its mechanical properties, making it stronger and more durable. The resulting forged steel has a refined grain structure, improving its toughness, resistance to fatigue, and resistance to cracking. However, forging complex shapes from steel billets requires skilled craftsmanship and specialized equipment. The process may involve multiple steps like pre-forming, rough forging, and finish forging to achieve the desired shape and dimensions. Computer-aided design (CAD) and computer-aided manufacturing (CAM) technologies are often used to optimize the forging process and ensure precision and accuracy. To sum up, steel billets can be forged into intricate shapes. Through forging, the malleability of steel is harnessed to create components with improved mechanical properties.
- Q:How are steel billets used in the production of hydraulic components?
- Steel billets are used in the production of hydraulic components as they serve as the raw material to create various parts, such as cylinders, pistons, valves, and fittings. These billets are heated and shaped through processes like forging, machining, and casting to form the required hydraulic components with the desired strength, durability, and dimensional accuracy.
- Q:What are the potential applications of steel billets in the chemical industry?
- Steel billets have several potential applications in the chemical industry due to their unique properties and versatility. One of the primary uses of steel billets in the chemical industry is for the production of various types of equipment and machinery. Steel billets can be shaped and forged into different forms, such as pipes, tanks, valves, and fittings, which are essential for handling and storing chemicals. These components need to withstand harsh conditions, including high temperatures, pressures, and corrosive environments, which makes steel billets an ideal material choice. Furthermore, steel billets can also be used in the construction of chemical plants and facilities. They provide excellent structural support, ensuring the stability and integrity of the buildings. Steel billets are often used in the fabrication of beams, columns, and other load-bearing elements, providing strength and durability to withstand the chemical processes taking place within the plant. Another potential application of steel billets in the chemical industry is in the manufacturing of reaction vessels and reactors. These vessels are used for chemical reactions, such as synthesis, distillation, and purification processes. Steel billets can be machined and formed into the desired shape, allowing for the creation of sturdy and reliable vessels that can handle the high pressures and temperatures often required in chemical reactions. Moreover, steel billets can be utilized in the production of catalysts used in various chemical processes. Catalysts are substances that speed up chemical reactions without being consumed in the process. Steel billets can serve as a base material for catalysts, providing a stable and durable support structure for the active catalytic components. In addition, steel billets can be employed in the construction of storage tanks and containers for the transportation and storage of chemicals. Steel billets offer excellent resistance to corrosion and can be easily welded and fabricated into large containers, ensuring the safe and secure storage of hazardous chemicals. Overall, the potential applications of steel billets in the chemical industry are vast. From equipment fabrication to construction projects and catalyst manufacturing, steel billets offer strength, durability, and resistance to corrosion, making them an essential material for various chemical processes and operations.
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TK 440 superior hot rolled Carbon Steel Billets Square Billets
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 1000000 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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