SCM440 42CrMo4 Alloy Structural Steel Round Bar
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 10000 m.t./month
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Specification
Type:
Alloy Steel
Shape:
Steel Round Bar
SCM440 42CrMo4 Alloy Structural Steel Round Bar
Product Information:
Diameter:10mm-700mm
Length:3000mm-12000mm Straightness: 3mm/M max
Process:EAF + LF + VD + Forged + Heat Treatment (optional)
Delivery condition:Hot forged +Rough machined (black surface after Q/T)+ Turned (optional)
Delivery Time:30-45 days
MOQ:30at treatment:
Normalized / Annealed / Quenched / tempered
Technical Data:According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing
Test:Ultrasonic test according to SEP 1921-84 G3 C/c
Marking:Grade, heat NO. length will be stamped one each bar with required color
Payment:30% advance by T\T, the balance against B/L
Application:Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.
Product Overviews:
| Product Name | Typical Grades | Diameter(mm) | Standard adopted |
| Carbon Steel | 20 (1020/S20C/C22) | Ø16-Ø300 | GB/SAE/JIS/DIN |
| 40 (1040/S40C/C40) | |||
| 45 (1045/S45C/C45) | |||
| Bearing Steel | GCr9 (51100/SUJ1) | Ø12-Ø250 | |
| GCr15 (52100/SUJ2/100Gr6) | |||
| GCr9SiMn (A485-Gr.1/SUJ3) | |||
| Cr-Mo Steel | 20Cr (5120/SCr420H/20Cr4) | Ø12-Ø250 | |
| 40Cr (5140/SCr440/41Cr4) | |||
| 42CrMo(4140/SCM440/42CrMo4) | |||
| Gear Steel | 20CrNiMo | Ø16-Ø600 | |
| 20CrMn(5115/SMnC420/20MnCr5) | |||
| 20CrNiMo(8620/SNCM220/20CrMiMo2) |
Product Show:
Our Advantages:
· Industry experience over 20 years.
· Shipment of goods -More than 70 countries worldwide.
· The most convenient transport and prompt delivery.
· Competitive price with best service.
· High technical production line with top quality products.
· High reputation based on best quality products.
With our experienced, enthusiastic and dynamic staffs, we assure to bring you the products with best quality, reasonable prices and good after-sales services under the motto: Friends First, Business After.
Communication, Experience, Expertise and Best efforts are our Promises to you.
- Q: Can special steel be used in the energy sector?
- Indeed, the energy sector can utilize special steel. This term encompasses a range of high-performance alloys that are specifically crafted for applications necessitating exceptional strength, durability, and resistance to corrosion and extreme temperatures. These qualities render special steel an optimal choice for numerous components employed in the energy sector. Within the oil and gas industry, special steel is frequently employed in the construction of pipelines, drilling equipment, and offshore platforms. Its robustness and resistance to corrosion guarantee the integrity and reliability of these vital structures, even in challenging environments. Special steel is also extensively employed in power generation plants. For instance, in thermal power plants that generate steam for electricity production, special steel is employed in the production of boiler tubes and pressure vessels. The extraordinary heat resistance and structural integrity of special steel ensure the secure and efficient operation of these components, even under high temperatures and pressure. Moreover, special steel finds applications in the renewable energy sectors, such as wind and solar power. In the case of wind turbines, special steel is utilized in the manufacturing of rotor shafts, gears, and bearings, all of which undergo substantial mechanical loads. Similarly, in concentrated solar power plants, special steel is employed for the construction of heat exchangers, receivers, and storage systems. Overall, the presence of special steel in the energy sector plays a pivotal role in enhancing the performance, safety, and longevity of various components and structures. Its exceptional properties make it an indispensable material, supporting the infrastructure and operations of the energy industry.
- Q: What are the factors that determine the cost of special steel?
- The cost of special steel is determined by several factors, including the type and grade of steel, the manufacturing process involved, the quantity and availability of raw materials, market demand and competition, transportation and logistics costs, and any additional customization or special specifications required by the customer.
- 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: How does special steel contribute to the energy equipment industry?
- Special steel plays a crucial role in the energy equipment industry by providing the necessary strength, durability, and resistance to extreme conditions. The energy equipment industry encompasses various sectors such as oil and gas, renewable energy, power generation, and transmission, all of which rely heavily on special steel for their infrastructure and machinery. In the oil and gas sector, special steel is used in the construction of pipelines, drilling equipment, and storage tanks. The unique properties of special steel, such as high tensile strength, corrosion resistance, and the ability to withstand high pressure and temperature, make it an ideal material for these applications. Special steel also ensures the safety and reliability of oil and gas operations, as it can withstand harsh environments, including corrosive substances and extreme weather conditions. In the renewable energy sector, special steel is used in the manufacturing of wind turbines, solar panels, and hydroelectric power systems. These energy sources require strong and lightweight materials that can withstand constant exposure to nature's elements. Special steel alloys, such as high-strength low-alloy (HSLA) steel and stainless steel, are commonly used to construct the infrastructure of renewable energy systems, ensuring their longevity and efficiency. Furthermore, special steel is essential in power generation and transmission equipment. It is utilized in the manufacturing of gas turbines, steam turbines, and generators. Special steel alloys can endure the high temperatures and pressures generated during power generation processes, ensuring the efficiency and reliability of energy production. Additionally, special steel is used in the transmission infrastructure, including transmission towers and power cables, to support the efficient and safe transfer of electricity over long distances. Overall, special steel contributes significantly to the energy equipment industry by providing the necessary strength, durability, and resistance to extreme conditions. It enables the construction of reliable and efficient infrastructure, ensuring the smooth operation of energy systems, whether in oil and gas, renewable energy, or power generation and transmission.
- Q: What are the requirements for special steel used in military applications?
- In order to ensure optimal performance and durability in the field, special steel utilized in military applications must meet specific criteria. These criteria encompass: 1. Superior strength: Military applications often entail extreme conditions, including heavy loads, impacts, and shocks. To withstand these forces without deformation or failure, special steel employed in these applications must possess high strength. 2. Exceptional toughness: The steel should exhibit remarkable toughness to resist cracking or fracturing when subjected to high-stress situations. This is crucial for safeguarding the well-being of military personnel and equipment. 3. Resistance to corrosion: Military operations can occur in diverse environments, such as marine or coastal areas, where exposure to moisture, saltwater, and other corrosive elements is prevalent. To maintain its structural integrity over time, special steel employed in military applications must possess good corrosion resistance. 4. Heat resistance: Military equipment frequently encounters elevated temperatures due to friction, combustion, or exposure to explosives. The steel used must possess good heat resistance to prevent deformation or loss of strength under such conditions. 5. Wear resistance: Military equipment undergoes frequent use, abrasive contact, and potential impacts with foreign objects. Therefore, special steel employed in these applications must exhibit excellent wear resistance to minimize damage and extend the lifespan of the equipment. 6. Machinability: Special steel utilized in military applications should be easily machinable and processable into various shapes and sizes. This ensures that it can be tailored to specific requirements and seamlessly integrated into different military systems. 7. Cost-effectiveness: While meeting all the aforementioned requirements, special steel utilized in military applications should also be cost-effective. It must strike a balance between performance and cost to ensure efficient resource utilization. By fulfilling these requirements, special steel employed in military applications can deliver the necessary strength, durability, and reliability required for military operations, thereby ensuring the safety and effectiveness of military personnel and equipment.
- Q: Can special steel be used in the automotive industry?
- Yes, special steel can be used in the automotive industry. It is often utilized in various components and parts of vehicles due to its high strength, durability, and resistance to wear and corrosion. Special steel alloys can enhance the performance, safety, and efficiency of automobiles, making it a suitable choice for the automotive industry.
- Q: What are the different methods of machining special steel?
- There are several different methods of machining special steel, each with its own advantages and applications. Some of the most common methods include: 1. Turning: Turning is a machining process that involves rotating a workpiece while a cutting tool removes material from the surface. This method is typically used to create cylindrical shapes and can produce high-quality finishes. 2. Milling: Milling is a versatile machining method that uses rotary cutters to remove material from a workpiece. It can be used to create complex shapes and contours, and is often employed in the production of special steel components. 3. Drilling: Drilling is a machining process that involves creating holes in a workpiece using a rotating cutting tool. It can be used to create both through holes and blind holes in special steel, and is commonly used in various industries. 4. Grinding: Grinding is a precision machining method that uses an abrasive wheel to remove material from a workpiece's surface. It is often used to achieve tight tolerances and smooth finishes on special steel components. 5. Broaching: Broaching is a machining process that uses a sharp cutting tool with multiple teeth to remove material in a series of linear cuts. It is commonly used to create keyways, splines, and other intricate shapes in special steel. 6. Electrical Discharge Machining (EDM): EDM is a non-traditional machining method that uses electrical discharges to remove material from a workpiece. It is particularly useful for machining special steel with complex shapes or for creating small features. 7. Laser Cutting: Laser cutting utilizes a high-powered laser to cut through special steel with extreme precision. It is commonly used for intricate designs and can produce smooth edges without the need for subsequent processing. Each of these methods has its own advantages and limitations, and the choice of machining method depends on factors such as the desired outcome, the complexity of the part, and the properties of the special steel being machined.
- Q: What are the properties of spring steel?
- Some properties of spring steel include high strength, excellent elasticity, good fatigue resistance, and the ability to withstand repeated bending or twisting without deformation or breaking. It also has good corrosion resistance and is often used in applications where durability and flexibility are required, such as springs, suspension systems, and cutting tools.
- Q: What is the role of chromium in special steel?
- Chromium plays a crucial role in special steel due to its unique properties and characteristics. It is primarily added to steel alloys to enhance their corrosion resistance, durability, and strength. One of the significant contributions of chromium is its ability to form a passive oxide layer on the surface of steel, known as chromium oxide. This oxide layer acts as a protective barrier, preventing the underlying steel from coming into contact with corrosive elements such as oxygen and moisture. This corrosion resistance makes chromium-containing steel highly suitable for applications in harsh environments, such as marine or chemical industries, where the material is exposed to corrosive agents. Furthermore, chromium also improves the mechanical properties of steel. It increases the steel's hardness, toughness, and wear resistance. This makes it valuable in manufacturing tools, machinery components, and other applications that require high strength and durability. Chromium also helps in retaining the steel's sharpness and edge retention, making it ideal for making high-quality knives and blades. Additionally, chromium is essential in heat-resistant steel alloys, as it significantly improves the material's ability to withstand high temperatures without losing its strength or shape. This makes it suitable for various applications, including turbine blades, exhaust systems, and aerospace components. In summary, chromium plays a vital role in special steel by enhancing its corrosion resistance, improving mechanical properties, and enabling it to withstand high temperatures. These properties make chromium-containing steel alloys highly versatile and valuable in a wide range of industries and applications.
- Q: How are copper alloys used in electrical applications?
- Copper alloys are widely used in electrical applications due to their excellent electrical conductivity and thermal conductivity properties. These alloys, such as brass and bronze, are used in the production of electrical connectors, terminals, and conductors. They are also utilized in circuit breakers, switches, and motors due to their high strength and corrosion resistance. Additionally, copper alloys are used in the manufacturing of electrical cables and wiring systems, ensuring efficient transmission of electricity with minimal power loss.
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SCM440 42CrMo4 Alloy Structural Steel Round Bar
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 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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