HR Q235 Hot Rolled Steel Plates Alloy Steel Sheets
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 50000 m.t./month
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Specification
Type:
Carbon Steel
Shape:
Steel Round Bar
HR Q235 Hot Rolled Steel Plate High Alloy Steel Sheet
Product Description:
1.Q235 hot rolled steel plate and sheet with high strength
2. Thickness:8mm-250mm, width:1500mm-2250mm
3.ISO and BV certificate
4.Standard:GB/T 3274-2007,JIS G3106,DIN17100, ASTM, BS4360
5.Delivery condition: According to the requirements of customers, the carbon steel mild steel plate and sheet could be hot rolled, cold rolled, normalized, annealed, tempered, normalized+ tempered and tempering.
6.Application:The low alloy steel plate and sheet with high strength is mainly used in making Plants, general constructions, different kinds of engineering machines such as electric wheels skip, mine car, excavator, loaders, bulldozers, industrial blower, various cranes used in mines and other structures.
Specification:
Material | Q235 | Round bar | Dia(mm) | 16-600 |
Process | EAF + LF + VD + Forged + Heat Treatment (optional) | Length (mm) | Max 12000 | |
Heat treatment | Normalized / Annealed / Quenched / tempered | Flat bar | Thickness(mm) | 8-500 |
Delivery condition | Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) | Width(mm) | 70-200 | |
Test | Ultrasonic test according to SEP 1921-84 D/d | Length (mm) | Max 12000 |
Chemical Composition:
C | Si | Mn | Cr | Ni | Cu |
0.5~0.8 | 0.17~0.37 | 0.25~1.2 | ≤0.25 | ≤0.30 | ≤0.25 |
Packing and Delivery:
Packing in bundle with steel strips and shipped by break bulk vessel or container (depend on target market and different ports)
Delivery Detail: Approx.45 days
Usage and Applications:
1.Q235 Hot Rolled Steel Plate High Alloy Steel Sheet is used in a large number of architectural and engineering structures. Or it can be used in construction of plants for the production of steel house frames, high-voltage transmission towers, bridges, vehicles, boilers, containers, ships, etc.
2. And we can use this kind of product on the performance of the mechanical parts if the demand is not very high.
3. Some especial material steel round bar can be used for main shaft of steamer, hummer shank, with big section and supper force.
Product Show:
- Q: What are the different types of maraging steel?
- There are various types of maraging steel, including Maraging 200, Maraging 250, and Maraging 300.
- Q: How does special steel contribute to the power generation machinery industry?
- Special steel plays a crucial role in the power generation machinery industry as it provides the necessary strength, durability, and resistance to extreme temperatures and corrosion. The use of special steel in components such as turbine blades, generator shafts, and boiler tubes enhances the overall efficiency and reliability of power generation machinery. Additionally, special steel's unique properties enable the production of more compact and lightweight equipment, leading to improved performance and reduced energy consumption.
- Q: What are the requirements for special steel used in high-performance racing cars?
- The requirements for special steel used in high-performance racing cars include high strength and durability, excellent fatigue resistance, good thermal conductivity, and the ability to withstand high temperatures and extreme conditions. Additionally, it should have low weight and high stiffness to enhance the car's performance and maintain its structural integrity under intense stress and vibration.
- Q: How does special steel contribute to the thermal conductivity of products?
- Special steel can significantly contribute to the thermal conductivity of products due to its unique composition and properties. Special steel is manufactured with specific alloying elements, such as chromium, nickel, molybdenum, or vanadium, which enhance its thermal conductivity. These alloys help in the efficient transfer of heat by increasing the free electron density within the steel. The presence of alloying elements in special steel improves its lattice structure, allowing for better heat transfer. The increased free electron density enables quick and efficient movement of thermal energy through the material. As a result, special steel can effectively conduct heat from one area to another, making it ideal for applications requiring high thermal conductivity. Furthermore, special steel is often processed using advanced techniques like heat treatment, forging, or rolling, which further optimize its properties. These processes refine the microstructure of the steel, reducing impurities and improving its thermal conductivity. The resulting steel product exhibits enhanced heat transfer capabilities and provides efficient thermal management. The high thermal conductivity of special steel makes it highly desirable for various industries and applications. It is commonly used in the manufacturing of heat exchangers, boilers, furnaces, and other thermal equipment where efficient heat transfer is crucial. Additionally, special steel is often employed in electrical appliances, such as stovetops or induction cookers, where rapid and uniform heat distribution is necessary. In summary, special steel contributes to the thermal conductivity of products by utilizing specific alloying elements and advanced processing techniques to enhance its heat transfer capabilities. Its high thermal conductivity makes it a valuable material for various industries, ensuring efficient heat management and optimal performance of thermal equipment and appliances.
- Q: What are the factors that can affect the machinability of special steel?
- Special steel's machinability can be impacted by various factors. The composition of the steel is one of the main factors. The presence of specific elements like carbon, chromium, and nickel can significantly influence machinability. For instance, higher carbon content can lead to increased hardness and brittleness, making machining more challenging. Conversely, the addition of elements like sulfur and lead can enhance machinability by promoting chip formation and reducing friction. Machinability is also affected by the heat treatment of the steel. Different heat treatments, such as annealing or quenching, can modify the steel's microstructure, impacting its hardness and toughness. Heat-treated steels may be more difficult to machine due to their increased hardness or the presence of residual stresses. Mechanical properties of special steel, including hardness and tensile strength, also have an impact on machinability. Harder steels require greater cutting force, which can result in increased tool wear or vibration during machining. Similarly, steels with high tensile strength can pose challenges in terms of chip formation and tool life. Furthermore, machinability is influenced by the cutting conditions and machining parameters used. Factors such as cutting speed, feed rate, and depth of cut can have a significant impact on the process. High cutting speeds can lead to elevated temperatures and tool wear, while low cutting speeds may result in poor surface finish. Additionally, the choice of cutting tools, their geometry, and their coatings can also affect the machinability of special steel. Lastly, the presence of impurities or contaminants in the steel, such as non-metallic inclusions or surface defects, can have a negative impact on machinability. These impurities can cause tool wear, poor surface finish, or even tool breakage. Therefore, ensuring the quality and cleanliness of the steel is crucial for achieving good machinability. In conclusion, factors such as composition, heat treatment, mechanical properties, cutting conditions, and the presence of impurities can affect the machinability of special steel. Understanding and optimizing these factors can help improve machinability and enhance the overall performance of special steel during machining operations.
- Q: How does special steel contribute to the construction of infrastructure projects?
- Special steel plays a crucial role in the construction of infrastructure projects by providing enhanced strength, durability, and resistance to corrosion. It is commonly used in critical structural components such as beams, columns, and reinforcement bars, ensuring the stability and longevity of buildings, bridges, and other infrastructure. Additionally, special steel alloys offer flexibility in design, making it possible to create structures that are lighter and more cost-effective without compromising safety or structural integrity.
- Q: How is special steel classified?
- Special steel is classified based on its chemical composition, manufacturing process, and specific properties. It can be categorized into various types such as stainless steel, tool steel, alloy steel, and high-speed steel, each having distinct characteristics that make them suitable for specific applications.
- Q: How does special steel contribute to the packaging industry?
- Special steel plays a crucial role in the packaging industry by providing durable and corrosion-resistant materials for manufacturing packaging equipment. It enables the production of high-quality, sturdy containers, cans, and closures that ensure product safety, prevent leakage, and maintain freshness. Additionally, special steel's strength and flexibility make it suitable for creating innovative packaging designs, such as lightweight yet robust materials, enhancing product appeal and convenience for consumers.
- Q: How does the cost of special steel compare to regular steel?
- The cost of special steel is generally higher compared to regular steel. Special steel is specifically designed and produced to possess exceptional properties and characteristics that regular steel does not have. It undergoes additional processes such as alloying, heat treatment, or specialized manufacturing techniques to enhance its strength, durability, corrosion resistance, and other desirable attributes. These added steps in production increase the overall cost of special steel. On the other hand, regular steel is more readily available and is produced on a larger scale. It is often used for general purposes and applications where high-performance qualities are not required. Regular steel is relatively cheaper due to its lower production costs and wider availability in the market. However, it is important to note that the cost comparison between special steel and regular steel can vary depending on various factors such as the specific type of steel, the quantity being purchased, market conditions, and any additional customization required. Therefore, it is advisable to consult with steel suppliers or specialists to get accurate pricing information based on specific requirements.
- Q: How is special steel used in the production of cutting inserts?
- Special steel is used in the production of cutting inserts due to its unique properties that make it ideal for this application. Cutting inserts are used in machining operations to remove material from a workpiece and shape it into the desired form. These inserts need to be able to withstand high temperatures, resist wear and abrasion, and maintain their sharp cutting edges for prolonged periods. Special steel, also known as tool steel, is specifically designed to meet these requirements. It is an alloy that contains various elements such as chromium, tungsten, vanadium, and molybdenum, which enhance its mechanical properties. Special steel has excellent hardness, toughness, and high-temperature resistance, making it suitable for cutting inserts. The special steel used in the production of cutting inserts undergoes a series of processes, including heat treatment, to further enhance its properties. Heat treatment involves heating the steel to a specific temperature and then rapidly cooling it, which adds strength and hardness to the material. This process helps to ensure that the cutting inserts can withstand the extreme forces and temperatures encountered during machining operations. Additionally, special steel can be coated with various materials, such as titanium nitride or diamond-like carbon, to further improve its performance. These coatings enhance the hardness, reduce friction, and improve the overall wear resistance of the cutting inserts, increasing their lifespan and efficiency. In summary, special steel is used in the production of cutting inserts due to its exceptional hardness, toughness, high-temperature resistance, and wear resistance. These properties allow the cutting inserts to withstand the demanding conditions of machining operations and maintain their sharp cutting edges for prolonged periods, resulting in efficient and precise material removal.
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HR Q235 Hot Rolled Steel Plates Alloy Steel Sheets
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 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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