Prime quality square alloy steel billet 165mm Q235
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 m.t./month
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Structure of Prime quality square alloy steel billet 165mm Q235
Description of Prime quality square alloy steel billet 165mm Q235
1. Prepainted steel coil is coated with organic layer, which provides higher anti-corrosion property and a longer lifespan than that of galvanized or galvalume steel sheets.
2. The base metals for prepainted steel coil consist of cold rolled, HDGI Steel, electro-galvanized and hot-dip alu-zinc coated steel. The finish coats of prepainted steel coil can be classified into groups as follows: polyester, silicon modified polyesters, polyvinylidene fluoride, high-durability polyester, etc.
3. The production process has evolved from one-coating-and-one-baking to double-coating-and-double-baking, and even three-coating-and-three-baking.
4. The color of the prepainted steel coil has a very wide selection, like orange, cream-colored, dark sky blue, sea blue, bright red, brick red, ivory white, porcelain blue, etc.
5. The prepainted steel coils can also be classified into groups by their surface textures, namely regular prepainted sheets, embossed sheets and printed sheets.
Main Feature of Prime quality square alloy steel billet 165mm Q235
Uncoated CR steel sheet
With the features of in line with the international highest standards in demension and shape, excellent surface finish and properties, the products are mainly used in home appliance and automobile industries.
Galvanized steel sheet(include HDG and EG)
With the features of good corrosion resistance, the products are mainly used in automobile, home appliance, electronics, building and machinery manufacture industries, etc.
Precoated steel sheet
With the features of enviromental protection and good processablility, long lasting surface durability, rich in colors, the products are maily used in building, home appliance and furniture industries, etc.
Applications of Prime quality square alloy steel billet 165mm Q235
Construction
Manufacture anticorrosion, industrial and civil architecture roof boarding, roof grille
Light industries
Home appliance's case, civil chimney, kitchen utensils
Auto industry
Corrosion resistant parts of cars
Agriculture
Food storage, meat and aquatic products' freezing and processing equipment
Commerce
Equipments to store and transport materials, and packing implements
Specifications of Prime quality square alloy steel billet 165mm Q235
Product | Prime quality square alloy steel billet 165mm Q235 |
Material Grade | SGCC / SGCH / DX51D+AZ, etc |
Thickness | 0.6-3.0mm |
Width | 500-1500mm |
Tolerance | Thickness: +/-0.02mm , Width:+/-2mm |
Zinc-coating | Z30-150g/m2 |
Technique | Raw material: Hot rolled steel coil --> Cold rolled_>hot dipped galvalume |
Surface | Dried, Chromated, Unoiled |
Spangle | Regular spangle , small spangle, zero spangle |
ID | 508MM 610MM |
Coil weight | 1-25MT |
Export package | Cardboard inner sleeves, Waterproof paper, galvanized steel covered and steel strip packed |
FAQ of Prime quality square alloy steel billet 165mm Q235
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 is the maximum temperature that a steel billet can withstand?
- The maximum temperature that a steel billet can withstand largely depends on the specific type and grade of steel being used. However, as a general guideline, most steels begin to lose their structural integrity and mechanical properties at temperatures above 800 degrees Celsius (1472 degrees Fahrenheit). At these elevated temperatures, steel starts to undergo significant thermal expansion, which can lead to distortion, warping, and ultimately failure. In certain specialized applications, high-temperature alloys or superalloys can withstand even higher temperatures. These materials are specifically designed to maintain their strength and durability at extreme temperatures, often exceeding 1000 degrees Celsius (1832 degrees Fahrenheit) or more. Nevertheless, it is important to note that the maximum temperature a steel billet can withstand should always be determined by consulting the specific material's technical data sheet or consulting with experts in the field. Variables such as alloy composition, heat treatment, and intended use can all play a role in determining the maximum temperature limit for a steel billet.
- Q:What are the different types of defects found in steel billets?
- There are several types of defects that can be commonly found in steel billets. These defects can occur during the manufacturing process or due to external factors. Some of the different types of defects found in steel billets include: 1. Surface defects: These defects are visible on the surface of the billet and can include scale, scratches, cracks, or pits. Surface defects can be caused by improper handling, inadequate cleaning, or excessive heat during the manufacturing process. 2. Internal defects: These defects are not visible on the surface and can only be detected through non-destructive testing methods. Internal defects can include voids, inclusions, segregation, or non-uniform microstructures. These defects can affect the mechanical properties and overall quality of the steel billet. 3. Decarburization: This defect occurs when the surface layer of the billet loses its carbon content due to exposure to high temperatures or oxygen. Decarburization can weaken the billet and reduce its strength and hardness. 4. Shrinkage cavities: Shrinkage cavities are formed when the steel billet solidifies and contracts unevenly. These cavities can lead to reduced mechanical properties and structural integrity. 5. Surface cracks: Cracks can occur during the cooling and solidification process of the billet due to thermal stresses. These cracks can propagate into the interior of the billet, leading to further defects and potential failure. 6. Segregation: Segregation refers to the uneven distribution of elements or impurities within the steel billet. This can result in inconsistent mechanical properties, reduced strength, and poor machinability. 7. Inclusions: Inclusions are foreign particles or impurities that are trapped within the steel billet during the manufacturing process. These inclusions can affect the mechanical properties and can cause defects such as porosity or brittleness. It is essential to minimize and control these defects in steel billets to ensure high-quality finished products. Proper quality control measures, material handling, and manufacturing processes can help reduce the occurrence of these defects and improve the overall quality of steel billets.
- Q:What industries use steel billets?
- Steel billets are widely used in various industries due to their strength, durability, and versatility. Some of the main industries that heavily rely on steel billets include construction, automotive, manufacturing, and energy. In the construction industry, steel billets are used for the production of structural components such as beams, columns, and girders. These components provide the necessary strength and support in buildings, bridges, and other infrastructure projects. The automotive industry utilizes steel billets for the manufacturing of various car parts, including engine components, chassis, and suspension systems. Steel billets are preferred in this industry due to their high strength-to-weight ratio, which improves fuel efficiency and overall performance. Manufacturing industries, such as machinery, equipment, and tool production, also heavily rely on steel billets. They are used to manufacture gears, shafts, valves, and other critical components that require high strength, durability, and precision. Furthermore, steel billets are essential in the energy sector, particularly in the production of oil and gas pipelines. These pipelines require steel billets of specific grades to withstand harsh conditions, high pressures, and corrosive environments. In addition to these main industries, steel billets find applications in other sectors such as shipbuilding, aerospace, mining, and agriculture. They are widely used wherever strength, durability, and reliability are crucial. Overall, steel billets have a diverse range of applications across various industries, thanks to their exceptional mechanical properties. The demand for steel billets remains strong, as they are an essential raw material in the production of critical components in numerous sectors.
- Q:What is the cost of a steel billet?
- The cost of a steel billet can vary depending on several factors such as the size, grade, market conditions, and supplier.
- Q:What are the main factors affecting the hardness of steel billets?
- The hardness of steel billets is primarily determined by various factors. Firstly, the carbon content plays a vital role in determining steel hardness. Higher carbon content leads to increased hardness as carbon atoms occupy spaces between iron crystals, forming stronger bonds and enhancing material resistance to deformation. Secondly, the inclusion of alloying elements significantly affects steel hardness. Elements like chromium, molybdenum, and vanadium create solid solutions with iron, altering its crystal structure and strengthening the material. These elements facilitate the formation of fine and uniform microstructures, resulting in higher hardness. The heat treatment process is another crucial factor that impacts steel billet hardness. Controlled heating and rapid cooling, such as quenching and tempering, cause a transformation in the crystal structure of steel. This transformation, known as martensitic transformation, increases hardness by generating a high concentration of dislocations and reducing grain size. Furthermore, the cooling rate during solidification also affects steel billet hardness. Rapid cooling, like water quenching, promotes the formation of a fine microstructure and enhances hardness. Conversely, slower cooling rates allow for the growth of larger grains, leading to reduced hardness. Lastly, the presence of impurities and non-metallic inclusions can adversely affect steel billet hardness. These impurities disrupt the crystal lattice, reducing material strength and hardness. Therefore, the purity and cleanliness of the steel composition are crucial for achieving higher hardness levels. In conclusion, several factors, including carbon content, alloying elements, heat treatment processes, cooling rate, and the presence of impurities, influence the hardness of steel billets. To attain the desired hardness properties, it is essential to comprehend and control these factors.
- Q:What are the different types of steel billet rolling mill automation systems?
- The industry commonly utilizes various automation systems for steel billet rolling mills, aimed at enhancing efficiency, accuracy, and overall productivity. Here are some frequently employed automation systems: 1. Level 1 Automation: This constitutes the fundamental level of automation, encompassing basic control and monitoring functions. It typically employs programmable logic controllers (PLCs) to regulate and observe key aspects like speed, temperature, and pressure. While it provides essential functionality, manual intervention may be necessary for certain tasks. 2. Level 2 Automation: This level surpasses the basic control and monitoring functions of level 1. It incorporates advanced process control algorithms and models to optimize mill operations. Level 2 automation systems can automatically fine-tune mill parameters, including roll gap, roll speed, and cooling water flow, to achieve desired product specifications. Additionally, they offer real-time process monitoring and data analysis capabilities. 3. Level 3 Automation: This level concentrates on integrating the rolling mill with other plant systems, such as material handling and quality control. It encompasses features such as automatic scheduling, inventory management, and seamless data exchange between systems. Level 3 automation systems facilitate better coordination and synchronization of the entire production process, leading to increased efficiency and reduced downtime. 4. Artificial Intelligence (AI) and Machine Learning: Advanced automation systems harness AI and machine learning algorithms to continually learn from data collected during rolling mill operations. These systems have the ability to predict equipment failures, optimize production parameters, and even propose process improvements. AI and machine learning-based automation systems enable proactive maintenance, improved decision-making, and enhanced overall productivity. 5. Robotics and Robotics-assisted Automation: Some steel billet rolling mills employ robots for tasks such as loading and unloading, quality inspection, and maintenance. Robotic automation systems offer precision, speed, and repeatability, thereby reducing the reliance on manual labor and enhancing safety. These systems can be integrated with other automation systems to create a fully automated and efficient rolling mill operation. In summary, the various types of steel billet rolling mill automation systems provide different levels of functionality and sophistication. The choice of automation system depends on the mill's specific requirements, the desired level of automation, and the available budget.
- Q:What are the different surface treatments for improved formability in steel billets?
- To enhance the formability of steel billets, various surface treatments can be employed. These treatments aim to increase the steel's ability to be shaped and formed without experiencing cracks or fractures. One effective method for enhancing formability is the utilization of lubricants or coatings. These substances aid in reducing friction between the steel and the forming tools, facilitating the shaping of the billets without causing any damage. Lubricants can be administered in the form of oils, greases, or solid films, and they can be utilized in both hot and cold forming procedures. Another technique for improving formability is shot peening, which entails bombarding the steel's surface with small steel or ceramic particles that possess high velocity. This process creates a compressive stress layer on the surface, effectively preventing crack initiation and propagation during the forming process. Additionally, shot peening can enhance the steel's fatigue resistance. In certain instances, heat treatment can be employed to enhance formability. This involves heating the steel to a specific temperature and rapidly cooling it. This process, known as quenching and tempering, can modify the steel's microstructure, increasing its ductility and making it easier to shape. Heat treatment also aids in relieving residual stresses in the steel, thereby improving formability. Lastly, surface coatings can be applied to steel billets to enhance formability. These coatings act as a protective barrier between the steel and the forming tools, reducing friction and preventing wear. Various methods, such as electroplating, thermal spraying, or chemical vapor deposition, can be utilized to apply these coatings. In conclusion, there exist several surface treatments that can be employed to enhance formability in steel billets. These treatments encompass the application of lubricants or coatings, shot peening, heat treatment, and surface coatings. Each treatment offers unique advantages and can be utilized based on the specific requirements of the forming process.
- Q:What is the role of steel billets in the manufacturing of storage tanks?
- Steel billets play a crucial role in the manufacturing of storage tanks. These billets serve as the primary raw material for the construction of the tank's structural framework. They are essentially semi-finished steel products that are cast into a specific shape and size, typically in a rectangular or square form. The primary reason for using steel billets in the manufacturing of storage tanks is their exceptional strength and durability. Steel is renowned for its high tensile strength, which allows the tank to withstand the immense pressure and weight of the stored contents. Additionally, steel is resistant to corrosion, making it an ideal material for storage tanks that may hold various liquids or gases. Steel billets are also preferred for their malleability and versatility. They can be easily molded and welded into the desired shape, allowing for the customization of storage tanks to meet specific requirements. The flexibility of steel billets enables the construction of tanks of various sizes and capacities, accommodating different storage needs in industries such as oil and gas, chemical processing, water treatment, and many others. Furthermore, steel billets offer cost-effectiveness in the manufacturing process. The abundance of steel as a raw material and its recyclability contribute to lower production costs, making steel tanks a more economical choice compared to tanks made from other materials. Moreover, the longevity of steel tanks reduces maintenance and replacement costs over time, ensuring a higher return on investment for industries relying on storage tanks. In conclusion, steel billets play a vital role in the manufacturing of storage tanks due to their strength, durability, corrosion resistance, malleability, and cost-effectiveness. These billets form the core framework of the tanks, providing the necessary structural integrity to safely contain and store various liquids or gases. By utilizing steel billets, industries can rely on robust and reliable storage solutions that meet their specific storage requirements.
- Q:How are steel billets used in the production of machined parts?
- Steel billets are used in the production of machined parts as the starting material. They are heated and shaped into various forms, such as bars, rods, or tubes, which can then be further processed through machining operations like cutting, drilling, or milling. This allows for the creation of precise and complex components used in various industries, including automotive, aerospace, and machinery.
- Q:Are steel billets used in the production of household appliances?
- Yes, steel billets are used in the production of household appliances. Steel billets are semi-finished steel products that are used as raw material in various industries, including the manufacturing of household appliances. These billets are heated and then rolled or forged into different shapes and sizes to create components such as sheets, plates, rods, and bars that are used in the production of appliances. Steel is a preferred choice for household appliances due to its strength, durability, and resistance to corrosion. It is commonly used in the production of refrigerators, washing machines, dishwashers, ovens, and many other household appliances.
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Prime quality square alloy steel billet 165mm Q235
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 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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