4140 Alloy Steel, 1.7225 Steel Material, SCM440 Steel Bar
- Ref Price:
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- 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
4140 Alloy Steel, 1.7225 Steel Material, SCM440 Steel Bar
Product information:
1. Dia:12mm-300mm
2. Standard Performed: ASTM A29/A29M-04
Equal Standard:
America Standard: AISI4140
International Standard: 42CrMo4
Japan Standard: SCM440
Germany Standard: 42CrMo4
4.Grade:ASTM A29 4140 42CrMo SCM440
Hardness:217HB
Tensile strength:1080(110)MPA
Yield strength: 930(95)MPA
elogation:12% Reduction of area:45% AKV(impact value):63J
Product show：
Workshop show：
Our service:
-High manufacturing accuracy
-High strength
-Small inertia resistance
-Strong heat dissipation ability
-Good visual effect
-Reasonable price
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer's trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.
If you need the sample, please feel free to let me know. Any question, we will contact you ASAP!
- Q:What are the properties of duplex stainless steel?
- Duplex stainless steel possesses a combination of excellent mechanical properties, including high strength and corrosion resistance. It offers good toughness and ductility, making it suitable for a wide range of applications. Moreover, duplex stainless steel exhibits a higher resistance to stress corrosion cracking and pitting corrosion compared to other types of stainless steel. Additionally, it has a good weldability, enabling it to be easily fabricated and used in various industries such as oil and gas, chemical processing, and marine environments.
- Q:What are the specific requirements for special steel used in the chemical reactor industry?
- The special steel used in the chemical reactor industry can have varying specific requirements depending on the application and the chemicals being processed. However, there are generally expected requirements for this type of steel. First and foremost, the steel must possess outstanding resistance to corrosion. Chemical reactors often handle highly corrosive substances, such as acids, alkalis, and reactive chemicals. Hence, the steel must be able to withstand the corrosive effects of these substances to maintain the integrity and durability of the reactor. Secondly, the steel should exhibit resistance to high temperatures. Chemical reactions often require elevated temperatures to facilitate desired transformations. Therefore, the steel used in these reactors must be capable of enduring these high temperatures without compromising its structural integrity or experiencing significant deformation. Furthermore, the steel should possess favorable mechanical properties, including high strength and toughness. The reactor may undergo high pressure and mechanical stress during operation, so the steel needs to be able to withstand these conditions without failure. Additionally, the steel used in chemical reactors should be easily weldable and formable. This allows for convenient fabrication and construction of the reactor, ensuring a reliable and efficient manufacturing process. Moreover, the steel should have low levels of impurities, such as sulfur and phosphorus. These impurities can have adverse effects on the steel's corrosion resistance and mechanical properties. Therefore, the steel must adhere to stringent quality standards to ensure its suitability for use in the chemical reactor industry. In conclusion, the specific requirements for special steel used in the chemical reactor industry encompass excellent corrosion resistance, high temperature resistance, favorable mechanical properties, weldability, formability, and low impurity levels. Meeting these requirements is crucial to guarantee the safety, reliability, and efficiency of chemical reactors in various industrial processes.
- 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:How is spring steel used in the automotive industry?
- Spring steel is used in the automotive industry primarily for manufacturing suspension systems, including coil and leaf springs. It offers excellent elasticity, durability, and resistance to deformation, allowing it to absorb shocks and provide a smoother ride. Additionally, spring steel is also utilized in various automotive components such as clamps, brackets, and fasteners due to its high strength and corrosion resistance properties.
- Q:What are the different methods for improving the electrical conductivity of special steel?
- Special steel can have improved electrical conductivity through various methods. One common approach involves adding alloying elements like copper or silver, which increase the number of free electrons in the steel, thereby enhancing its electrical conductivity. Another option is subjecting the steel to heat treatment processes like annealing or normalizing. These heat treatments refine the steel's microstructure, reducing impurities and promoting electron movement. Surface treatments, such as electroplating or coating the steel with conductive materials like copper or nickel, also enhance its electrical conductivity. These treatments create a conductive layer on the steel's surface, facilitating better electron flow. Furthermore, refining the steel's grain size through techniques like grain boundary engineering or severe plastic deformation can improve its electrical conductivity. Smaller grain sizes enable more efficient electron movement and minimize scattering, resulting in improved conductivity. Lastly, proper cleaning and removal of surface contaminants or oxides significantly enhance the electrical conductivity of special steel. By eliminating impurities and ensuring a clean surface, the steel can establish better contact and conductivity. It is important to consider that the specific method chosen to improve the electrical conductivity of special steel depends on the intended application and the desired level of conductivity. Different industries and applications may require tailored approaches to achieve the desired outcomes.
- Q:Can special steel be used in construction?
- Yes, special steel can be used in construction. Special steel, also known as alloy steel, offers superior strength, durability, and resistance to corrosion and wear compared to regular steel. It is commonly used in the construction of high-rise buildings, bridges, and other structures that require exceptional strength and longevity. Additionally, special steel can be customized to meet specific project requirements, making it a versatile choice for construction applications.
- Q:What are the properties of high-speed tool steel?
- High-speed tool steel possesses several important properties, including exceptional hardness, wear resistance, and heat resistance. It can maintain its hardness even at elevated temperatures, enabling it to withstand high-speed machining operations without losing its cutting edge. Additionally, high-speed tool steel exhibits excellent toughness and durability, allowing it to withstand heavy loads and resist chipping or breaking. Its high wear resistance makes it suitable for prolonged usage and reduces the need for frequent tool replacements.
- Q:How is nitrogen alloyed steel used in the production of high-strength bolts?
- Nitrogen alloyed steel is used in the production of high-strength bolts to enhance their mechanical properties and increase their strength. By adding nitrogen to the steel, it improves the hardness, toughness, and corrosion resistance of the bolts. This makes them suitable for applications that require high tensile strength and durability, such as in construction, automotive, and aerospace industries.
- Q:How is special steel used in the marine manufacturing process?
- Special steel is used in the marine manufacturing process for various applications such as shipbuilding, offshore structures, and marine equipment. It possesses exceptional properties like corrosion resistance, high tensile strength, and durability, making it suitable for constructing hulls, decks, and other critical components of ships and offshore platforms. Special steel is also used in manufacturing marine equipment like propeller shafts, rudders, and anchors, ensuring their reliability and performance in harsh marine environments.
- Q:Can special steel be used in power generation applications?
- Indeed, power generation applications can certainly benefit from the utilization of special steel. When we mention special steel, we are referring to a diverse range of steel types that have been specifically engineered to possess superior attributes like high strength, durability, heat resistance, corrosion resistance, and wear resistance. These exceptional properties make special steel an ideal choice for power generation applications where the materials must endure elevated temperatures, pressures, and mechanical strains. Within the realm of power generation, various components and equipment can make use of special steel. Examples include turbine blades, boiler tubes, heat exchangers, steam pipes, and high-pressure valves. To illustrate, thermal power plants, which rely on fossil fuels for electricity generation, often employ special steel in boiler tubes and heat exchangers to withstand the demanding conditions of steam generation, characterized by high temperatures and pressures. Moreover, in the context of nuclear power plants, special steel finds application in critical components such as reactor vessels, steam generators, and fuel cladding. This is due to its exceptional strength, resistance to radiation damage, and resistance to corrosion. Furthermore, the use of special steel extends to renewable energy power generation applications. For instance, in wind turbines, special steel is employed in the construction of turbine towers, rotor blades, and gearboxes. Its purpose is to withstand the challenges of high wind speeds, vibrations, and fatigue. In summary, special steel occupies a vital role in power generation applications, thanks to its extraordinary properties. By ensuring the reliability, efficiency, and longevity of the equipment and components employed in diverse power generation systems, special steel contributes significantly to the field.
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4140 Alloy Steel, 1.7225 Steel Material, SCM440 Steel 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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