Square Steel Billet Q235 Grade Prime Quality 7#
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2000 m.t
- Supply Capability:
- 50000 m.t/month
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Description of Square Steel Billet Q235 Grade Prime Quality 7#
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.
Main Feature Square Steel Billet Q235 Grade Prime Quality 7#
Raw elements(C,Fe,Ni,Mn,Cr,Cu.)---Smelted ingots by AOD finery---hot rolled into black suface---pickling in acid liquid---cold drawn----polished by automatically machine--- cutting into pieces---checking quanlity
Applications of Square Steel Billet Q235 Grade Prime Quality 7#
Widely Used in the areas such as Stainless Steel Fasteners, Chains, Kitchen and Sanitary wares, Furniture handles, Handrails, Electroplating and Electrolyzing pendants, Foods, Electron, Petroleum, Construction and Decoration, etc. Products have a high strength after cold-working. Electronic products parts, Medical appliance, Springs, Bus Inside and Outside packaging and building, Street Lamp Posts, etc. Decoration materials and Outdoor Publicity Billboard. Used for the products which have the Anti-Stress Corrosion requirement. Electron Products, Table-wares, Bolts, Nuts, Screen Meshes, Cumbustors and so on.
Specifications of Square Steel Billet Q235 Grade Prime Quality 7#
| Standard | C(%) | Mn(%) | S(%) | P(%) | Si(%) |
| Q195 | ≤0.12 | ≤0.50 | ≤0.040 | ≤0.035 | ≤0.30 |
| Q235 | ≤0.20 | ≤1.40 | ≤0.045 | ≤0.045 | ≤0.35 |
| Q275 | ≤0.22 | ≤1.50 | ≤0.045 | ≤0.045 | ≤0.35 |
| 20MnSi | 0.17-0.25 | 1.2-1.6 | ≤ 0.050 | ≤ 0.050 | 0.40-0.80 |
| 3SP | 0.14-0.22 | 0.40-0.85 | ≤ 0.050 | ≤ 0.040 | 0.05-0.15 |
| 5SP | 0.28-0.37 | 0.50-1.00 | ≤ 0.050 | ≤ 0.040 | 0.15-0.30 |
FAQ of Square Steel Billet Q235 Grade Prime Quality 7#
We have organized several common questions for our clients，may help you sincerely：
1. How Can I Visit There?
Our company is located in Tianjin City, China, near Beijing. You can fly to Tianjin Airport Directly. All our clients, from home or aboard, are warmly welcome to visit us!
2. How Can I Get Some Sample?
We are honored to offer you sample.
3. Why choose CNBM?
Our delivery time about 15-20days for standard sizes, if you have other requirements like hardness, quanity and width ,it is about 20-40days. But don't worry we also try our best for the delivery time ,because time longer and our cost is higher.
- Q: What are the international standards for steel billets?
- The International Organization for Standardization (ISO) and the American Society for Testing and Materials (ASTM) are the primary governing bodies for international steel billet standards. They have developed various standards to guarantee the quality and consistency of steel billets worldwide. ISO 4948-1:2019 outlines the general requirements for steel billets that will be converted into seamless tubes and pipes. It encompasses dimensions, tolerances, surface conditions, and test methods to evaluate the physical and mechanical properties of the billets. By adhering to ISO 4948-1, the billets are ensured to meet the necessary criteria for subsequent tube and pipe manufacturing processes. ASTM A370 serves as the standard test method for the mechanical testing of steel products, including billets. This standard provides guidelines for various mechanical tests such as tension, hardness, and impact tests, which assess the strength, ductility, and toughness of the billets. It guarantees that the billets meet the specified mechanical properties required for their intended applications. Aside from ISO and ASTM standards, there are also regional and national standards that apply to steel billets. For instance, the European Committee for Standardization (CEN) has developed the EN 10025 series of standards that cover the technical delivery conditions for structural steels, including billets. These standards specify the chemical composition, mechanical properties, and testing requirements for the billets used in construction and other structural applications in Europe. Overall, the international standards for steel billets aim to establish uniformity and quality control in the production and utilization of these materials across various industries and regions. Complying with these standards ensures that steel billets meet the necessary criteria for subsequent processing and application, thereby ensuring safety, reliability, and performance.
- Q: How are steel billets used in the manufacturing of power generation equipment?
- The manufacturing of power generation equipment relies heavily on steel billets, which are indispensable raw materials. These billets, cast from molten steel, take the form of large rectangular or square-shaped semi-finished steel products. They are then either hot rolled or forged to achieve their final shape. Within the power generation equipment context, steel billets are primarily employed in the construction of turbine components, such as turbine blades and rotors. Additionally, they are used in the fabrication of generator casings and other structural parts. The exceptional strength and durability of steel make it the ideal material for these critical components, which must endure high temperatures, pressure, and rotational forces. The process commences with the careful selection of a suitable grade of steel billet, based on the specific requirements of the power generation equipment. Subsequently, the billets are heated to an appropriate temperature and then forged or hot rolled to shape them as desired. This process necessitates precise techniques, such as machining, cutting, and shaping, to achieve the required dimensions and surface finish. Once the turbine components and other parts are formed from the steel billets, they undergo further treatments, including heat treatment, surface coating, and machining. These treatments aim to enhance their mechanical properties and ensure compatibility with the power generation system. Ultimately, the final products are assembled into power generation equipment, which may consist of gas turbines, steam turbines, wind turbine components, or generator sets. Steel billets play a critical role in the manufacturing of power generation equipment as they provide the necessary strength, durability, and performance required for efficient and reliable operation. The quality and precision involved in the production of steel billets directly impact the overall performance and lifespan of the power generation equipment, making them an essential component in the industry.
- Q: How are steel billets heated for rolling?
- Steel billets are heated for rolling using a process called induction heating, where an electric current is passed through the billets to generate heat. This method allows for precise and efficient heating, ensuring uniform temperature distribution throughout the billets.
- Q: What are the specifications for tool steel billets used in the tooling industry?
- The tooling industry typically requires tool steel billets to meet specific specifications in order to achieve optimal performance and durability. These specifications encompass various aspects: 1. Alloy Composition: Tool steel billets are composed of specific alloys that provide high hardness, wear resistance, and toughness. Common elements in tool steel include carbon, chromium, vanadium, molybdenum, and tungsten. 2. Hardness: Heat treatment is applied to tool steel billets to attain the desired hardness level, often measured using Rockwell hardness (HRC). The required hardness depends on the tool's application and type. 3. Size and Shape: Tool steel billets are available in different sizes and shapes, such as rectangular or round bars, to accommodate diverse tooling requirements. The dimensions of the billets are selected based on the size and complexity of the intended tool. 4. Surface Finish: Tool steel billets must possess a smooth and clean surface finish to facilitate machining and reduce the risk of defects or flaws in the final tooling product. 5. Tolerance: Billets should be manufactured with precise dimensional tolerances to ensure consistency during the machining and tooling processes. This aids in achieving accurate tool dimensions and minimizing waste. 6. Homogeneity: Tool steel billets must exhibit uniform chemical composition and microstructure throughout to ensure consistent mechanical properties and performance in the final tooling products. 7. Heat Treatment Properties: Billets should possess favorable heat treatment properties, including the ability to be hardened and tempered. This enhances their strength, toughness, and wear resistance. 8. Machinability: Tool steel billets should have good machinability to enable efficient shaping and forming processes during tool manufacturing. This encompasses considerations for cutting forces, chip formation, and surface finish. It is important to note that the specific specifications for tool steel billets may vary depending on the application and type of tool being produced. Manufacturers and tooling experts often collaborate closely to determine the most suitable tool steel specifications for each specific tooling requirement.
- Q: What are the safety precautions when working with steel billets?
- When working with steel billets, it is important to follow certain safety precautions to prevent any accidents or injuries. Some of the key precautions include: 1. Personal Protective Equipment (PPE): Wear appropriate PPE such as safety goggles, gloves, steel-toe boots, and protective clothing to protect yourself from potential hazards. 2. Proper Handling Techniques: Use proper lifting techniques when moving or transporting steel billets to avoid strain or injuries. Use mechanical aids like cranes or forklifts if necessary. 3. Inspection and Maintenance: Regularly inspect and maintain equipment such as forklifts, cranes, and lifting slings to ensure they are in good working condition and can safely handle the weight and load of the steel billets. 4. Secure Storage: Store steel billets in a secure and designated area to prevent them from falling or rolling over, which can cause serious injuries. 5. Fire Safety: Be aware of fire hazards and ensure that fire extinguishers are readily available in case of emergencies. Proper storage and handling of flammable substances should also be followed. 6. Communication and Signage: Properly communicate and provide clear signage to indicate potential hazards, restricted areas, and safety procedures. 7. Training and Awareness: Provide appropriate training to workers about the potential hazards associated with working with steel billets, as well as the necessary safety procedures to follow. Regularly reinforce safety protocols and encourage a safety-conscious work environment. By following these safety precautions, the risk of accidents or injuries when working with steel billets can be significantly reduced, ensuring a safer work environment for everyone involved.
- Q: What are the different surface treatments for corrosion resistance in steel billets?
- Steel billets can be enhanced for corrosion resistance through various surface treatments. These treatments play a crucial role in preventing rust and oxidation, which can greatly degrade the quality and lifespan of the billets. Some commonly used surface treatments for corrosion resistance in steel billets are as follows: 1. Hot-dip galvanizing: By immersing the steel billets in molten zinc, a protective coating is formed on the surface. This zinc coating acts as a sacrificial layer, safeguarding the steel against corrosion. 2. Electroplating: Through an electrochemical process, a thin layer of a corrosion-resistant metal like nickel or chromium is deposited onto the surface of the steel billet. This plated metal serves as a barrier, preventing direct contact between the steel and corrosive agents. 3. Passivation: This treatment involves the use of chemicals, usually an acid solution, to eliminate impurities or contaminants that may encourage corrosion. Passivation results in the formation of a passive oxide layer on the surface, which provides corrosion resistance. 4. Powder coating: In this method, a dry powder is electrostatically applied to the surface of the steel billet and then heat-cured. The powder melts and forms a protective layer on the steel, offering excellent corrosion resistance. 5. Organic coatings: These coatings, such as paints or varnishes, are applied to the surface of the steel billet. They create a protective barrier against moisture and corrosive agents. Organic coatings can be customized based on specific requirements in terms of color, texture, and durability. 6. Anodizing: Primarily used for aluminum or aluminum alloy steel billets, this treatment involves subjecting the surface to an electrochemical process, resulting in the formation of an oxide layer. This anodized layer enhances corrosion resistance while also providing an aesthetic appearance. Choosing the appropriate surface treatment for steel billets is crucial, considering factors like the intended application, environmental conditions, and expected lifespan. Regular maintenance and periodic reapplication of the surface treatment may also be necessary to ensure sustained corrosion resistance.
- Q: What is the role of steel billets in the shipbuilding industry?
- Steel billets play a crucial role in the shipbuilding industry as they are the primary raw material used to construct the structural components of ships. These billets, which are essentially semi-finished steel products, are produced by continuously casting molten steel into rectangular shapes that can be further processed and shaped into various shipbuilding components. One of the main advantages of using steel billets in shipbuilding is their high strength and durability. Ships are subjected to intense stress and harsh conditions, including waves, corrosion, and extreme temperatures. Steel billets provide the necessary strength and rigidity required to withstand these conditions, ensuring the structural integrity and longevity of the vessel. Moreover, steel billets offer excellent weldability, which is essential for shipbuilding. As ships consist of numerous welded joints, the ability to weld steel billets easily and reliably is crucial in achieving a strong and reliable structure. The weldability of steel billets allows for efficient and cost-effective construction methods, reducing both time and labor required for shipbuilding. Additionally, steel billets provide versatility in ship design. They can be easily shaped and fabricated into various forms and sizes, allowing shipbuilders to create complex and intricate structures that optimize space utilization and enhance functionality. This flexibility in design enables the construction of diverse types of ships, ranging from cargo vessels and tankers to cruise ships and naval vessels. Furthermore, steel billets also possess excellent resistance to corrosion, which is vital for ships that constantly operate in corrosive marine environments. The high-quality steel used in billets offers protection against rust and deterioration caused by seawater, ensuring the longevity and safety of the vessel. In summary, steel billets play a fundamental role in the shipbuilding industry by providing the necessary strength, weldability, versatility, and corrosion resistance required for constructing durable and seaworthy ships. Their use as the primary raw material allows shipbuilders to create reliable and efficient vessels capable of withstanding the challenging conditions of the maritime environment.
- Q: What is the cost of steel billets?
- The price of steel billets can fluctuate based on several factors, including the prevailing market conditions, the dynamics of supply and demand, the quality and specifications of the billets, as well as the purchasing location. Usually, steel billet prices are specified in metric tons or short tons. To obtain the most precise and current pricing information, it is recommended to refer to steel industry reports, market analysis, or contact steel suppliers or distributors.
- Q: What is the billet price in China today?
- In the short term is still the main shock, the domestic price rise compared to the previous 10 yuan / ton, the price is not the same in each region, so you still have to carefully check the price, from the upstream iron ore, domestic ore prices stabilize, without much change, with the real estate back to temperature. Building materials tend to be stable, the price is good to pick up the trend, the overall no big changes, specific to my steel network detailed inquiries, information here will be updated every day
- Q: What are the different types of heat treatment processes used for steel billets?
- There are several different types of heat treatment processes used for steel billets. Some commonly used methods include annealing, normalizing, quenching and tempering, and case hardening. Each process has its own purpose and is used to achieve specific properties in the steel billets.
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Square Steel Billet Q235 Grade Prime Quality 7#
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2000 m.t
- Supply Capability:
- 50000 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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