42CrMo4 Alloy Steel Round Bars Hot Rolled Bars
- 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:
Alloy Steel
Shape:
Steel Round Bar
42CrMo4 Alloy Steel Round Bars Hot Rolled Bars
Product Description:
1. Sizes: Diameter: 16mm-300mm; Length: 6m, 9m, 12m
2. Grade: 42CrMo, 4140,42CrMov4
3. Invoicing on theoretical weight or actual weight as customer’s request
4. Shape: Round bar, solid bar of steel with circular section
5. Technique: Hot rolled, forged, cold rolled
Specification:
Material | 42CrMo4 | 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 |
0.38~0.45 | 0.17~0.37 | 0.50~0.80 | 0.9-1.2 | ≤0.030 | ≤0.030 |
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. Steel round bar 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 is the role of special steel in the oil and gas industry?
- Special steel plays a crucial role in the oil and gas industry as it is used in various critical applications. It provides high strength, corrosion resistance, and durability, making it suitable for manufacturing drilling equipment, pipelines, valves, and offshore structures. Special steel's ability to withstand extreme conditions, such as high pressure and temperature, ensures the safety and reliability of oil and gas operations, ultimately supporting the efficient exploration, extraction, and transportation of these resources.
- Q: What are the applications of special steel in the manufacturing sector?
- Special steel has numerous applications in the manufacturing sector due to its exceptional properties. It is commonly used in industries such as automotive, aerospace, construction, and machinery manufacturing. Special steel is utilized for manufacturing high-performance components, tools, and machinery parts that require superior strength, durability, and resistance to wear and corrosion. Its applications range from manufacturing gears, shafts, bearings, and springs to constructing bridges, buildings, and pipelines. Additionally, special steel finds use in the production of cutting tools, molds, and dies, further enhancing the efficiency and precision of manufacturing processes.
- Q: How does special steel perform in electrical conductivity applications?
- Special steel, also known as stainless steel, offers excellent electrical conductivity properties in various applications. It is widely used in electrical engineering and electronics due to its high corrosion resistance and low electrical resistance. The addition of specific alloys such as chromium and nickel enhances its conductivity, making it an ideal choice for conducting electricity efficiently. In electrical conductivity applications, special steel exhibits low resistivity, allowing for the smooth flow of electrical current without significant loss of energy. Its low resistance minimizes the generation of heat, which is crucial for preventing overheating and ensuring the efficient operation of electrical components. Special steel also possesses excellent magnetic properties, making it suitable for applications that require both electrical conductivity and magnetic strength. This property is particularly useful in the production of transformers, motors, and generators. Moreover, special steel is highly durable and can withstand harsh environmental conditions, making it suitable for outdoor applications. Its corrosion resistance prevents the formation of rust, ensuring a long lifespan and consistent performance even in challenging environments. In summary, special steel is an excellent choice for electrical conductivity applications due to its low electrical resistance, high corrosion resistance, and exceptional durability. Its unique properties make it a preferred material in various industries that rely on efficient and reliable electrical conductivity.
- Q: How does special steel contribute to reducing product recalls?
- Special steel contributes to reducing product recalls by offering enhanced strength, durability, and corrosion resistance, thereby ensuring the integrity and reliability of various products. This reduces the likelihood of manufacturing defects, material failures, and premature breakdowns, which are common causes of product recalls. By using special steel in critical components, manufacturers can enhance product performance, safety, and longevity, leading to fewer recalls and improved customer satisfaction.
- Q: What are the different methods for improving the creep resistance of special steel?
- There are several methods for improving the creep resistance of special steel. One approach is through alloying, where elements such as chromium, molybdenum, and tungsten are added to enhance the strength and stability of the steel at high temperatures. Another method is by heat treatment, which involves controlled heating and cooling processes to optimize the microstructure of the steel and improve its creep resistance. Additionally, surface treatments like carburizing or nitriding can be applied to increase the hardness and wear resistance of the steel, thereby improving its creep resistance. Lastly, proper design and engineering considerations, such as using thicker sections or incorporating reinforcements, can also contribute to enhancing the creep resistance of special steel.
- Q: What are the main manufacturing processes for special steel?
- The main manufacturing processes for special steel include melting, refining, casting, hot rolling, heat treatment, cold rolling, and surface treatment.
- Q: What are the different methods for electroplating special steel?
- To electroplate special steel, various methods can be employed based on specific requirements and desired outcomes. The following are some commonly utilized techniques: 1. Electroless Nickel Plating: Achieving uniform and corrosion-resistant coatings on special steel is possible through this method, which entails depositing a layer of nickel onto the steel surface using a chemical reaction. 2. Zinc Plating: A protective layer is provided to special steel through the immersion of the steel in a zinc solution and the passage of an electric current, facilitating the deposition of zinc onto the surface. 3. Copper Plating: Enhancing conductivity and corrosion resistance of special steel can be achieved by immersing the steel in a copper sulfate solution and applying an electric current to deposit a layer of copper onto the surface. 4. Chromium Plating: This method is commonly employed to confer a decorative, corrosion-resistant, and hard-wearing surface on special steel. It involves immersing the steel in a chromium bath, and an electric current is applied to deposit a layer of chromium onto the surface. 5. Electroplating with Precious Metals: For decorative or functional purposes, special steel can be electroplated with precious metals like gold, silver, or platinum. These coatings enhance the appearance, conductivity, or corrosion resistance of the steel. 6. Electroplating with Alloy Coatings: Special steel can be electroplated with alloy coatings, such as tin-zinc or tin-lead, for specific applications that require unique properties like enhanced solderability or improved wear resistance. It is important to consider factors such as desired properties, intended application, and specific requirements of the special steel being plated when selecting an electroplating method. Each method has its advantages and limitations, making it advisable to consult experts in the field to determine the most suitable technique for electroplating special steel in a given scenario.
- Q: Can special steel be used in the automotive racing industry?
- Yes, special steel can be used in the automotive racing industry. Special steel alloys, such as high-strength and lightweight materials, can enhance the performance, durability, and safety of race cars. These alloys can be used in various components like engine parts, chassis, suspension systems, and roll cages to improve overall performance and reduce weight.
- Q: How does special steel perform in aerospace applications?
- Due to its exceptional performance and unique properties, special steel finds extensive use in aerospace applications. A primary reason for its usage lies in its high strength-to-weight ratio, a crucial factor in the aerospace industry where weight reduction is of utmost importance. Special steel alloys exhibit superior strength, enabling them to withstand the extreme conditions experienced during flight, including high temperatures, vibrations, and pressure changes. Moreover, special steel possesses excellent corrosion resistance, making it an ideal choice for aerospace applications where exposure to moisture and various chemicals is common. Its corrosion resistance ensures the durability and longevity of critical components, resulting in reduced maintenance and replacement costs. Furthermore, special steel offers excellent fatigue resistance, allowing it to endure repeated loading and unloading cycles without deformation or failure. This property is vital in aerospace applications where components must withstand cyclic stresses and maintain their integrity for extended periods. Additionally, special steel alloys can be readily fabricated and machined, facilitating the production of intricate and precise aerospace components. The ease of fabrication ensures efficient manufacturing processes and the ability to create complex designs, which are essential for optimizing performance and aerodynamics. In conclusion, special steel's exceptional strength, corrosion resistance, fatigue resistance, and ease of fabrication make it an invaluable material in aerospace applications. Its utilization in critical components, such as turbine blades, landing gears, and structural elements, guarantees the safety, reliability, and efficiency of aerospace systems.
- Q: What are the requirements for special steel used in high-strength applications?
- The requirements for special steel used in high-strength applications typically include high tensile strength, excellent toughness, good corrosion resistance, and the ability to withstand extreme temperatures. Additionally, the steel must possess good weldability and formability to facilitate the manufacturing process. Furthermore, it should meet specific industry standards and specifications to ensure its suitability for the intended application.
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42CrMo4 Alloy Steel Round Bars Hot Rolled Bars
- 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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