• Hot Rolled Spring Steel Round Bar 18mm with High Quality System 1
  • Hot Rolled Spring Steel Round Bar 18mm with High Quality System 2
  • Hot Rolled Spring Steel Round Bar 18mm with High Quality System 3
Hot Rolled Spring Steel Round Bar 18mm with High Quality

Hot Rolled Spring Steel Round Bar 18mm with High Quality

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Loading Port:
Shanghai
Payment Terms:
TT or LC
Min Order Qty:
20 m.t.
Supply Capability:
500 m.t./month

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Product Description:

OKorder is offering Hot Rolled Spring Steel Round Bar 18mm with High Quality at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

 

Product Applications:

Hot Rolled Spring Steel Round Bar 18mm with High Quality is widely used to make the bearing used in automobile, tractor engine, transmission and the wheel. And it also used to make the main bearing for the machine tools, electrical machinery, mining machinery, electric locomotives,mechanical ventilation and high speed of grinding wheel spindle etc

 

Product Advantages:

OKorder's Hot Rolled Spring Steel Round Bar 18mm with High Quality are durable, diversified and qualified.

 

Main Product Features:

·         Premium quality

·         Prompt delivery & seaworthy packing (30 days after receiving deposit)

·         Can be recycled and reused

·         Mill test certification

·         Professional Service

·         Competitive pricing

 

Product Specifications:

Manufacture: Hot rolled

Grade: 20CrNiMoA 20CrNi2MoA 16Cr2Ni4MoA 12Cr2Ni3Mo5A 20Cr2Ni4A 20Cr2Ni2MoA

Cr4Mo4V Cr15Mo4

Certificates: ISO, SGS, BV, CIQ

Length:6m 8m 9m 12m

Packaging: Packed in bundles with standard export sea-worthy package or as customer require

 

FAQ:

Q1: How soon can we receive the product after purchase?

A1: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.

Q1: How many types of bearing steel that OKorder.com can supply?

A2: Two types, carbon spring steel and alloy spring steel

 

Images:

 

Q: What are the main factors affecting the formability of special steel?
The formability of special steel, like any other type of steel, is influenced by several factors. These factors include the composition of the steel, its microstructure, mechanical properties, temperature, and strain rate. The composition of special steel plays a crucial role in its formability. The presence of alloying elements, such as chromium, nickel, molybdenum, and vanadium, can significantly affect the steel's ability to be formed. These elements can alter the steel's strength, ductility, and resistance to deformation. The microstructure of special steel is another key factor affecting its formability. Fine-grained steels tend to have better formability compared to coarse-grained steels. The presence of non-metallic inclusions, such as sulfides and oxides, can also influence formability by acting as stress concentrators and promoting crack formation. The mechanical properties of special steel, such as yield strength, tensile strength, and elongation, directly impact its formability. Steels with higher yield strength are generally more difficult to form, as they require greater force to deform. However, steels with high elongation can undergo larger plastic deformation before failure, making them more formable. Temperature is another critical factor affecting the formability of special steel. At elevated temperatures, the steel becomes more ductile and easier to deform. This is due to the reduction in yield strength and increased mobility of dislocations within the crystal structure. However, excessively high temperatures can also lead to grain growth, which negatively impacts formability. The strain rate, or the rate at which deformation is applied to the steel, also affects formability. Higher strain rates can cause strain hardening, where the steel becomes stronger and less formable. Conversely, lower strain rates allow for greater plastic deformation and improved formability. In conclusion, the formability of special steel is influenced by its composition, microstructure, mechanical properties, temperature, and strain rate. Understanding and optimizing these factors is essential for achieving the desired formability and shaping capabilities of special steel in various applications.
Q: What are the limitations of using special steel?
There are several limitations to using special steel. Firstly, it is generally more expensive compared to regular steel, making it less economical for certain applications. Additionally, special steel typically requires specific production techniques and expertise, which may limit its availability and accessibility. Furthermore, special steel might not possess the same level of corrosion resistance as other materials, which can be a disadvantage in certain environments. Finally, the properties and characteristics of special steel may be tailored for specific purposes, which means it may not be suitable for all applications.
Q: What are the benefits of using special steel in the energy sector?
Using special steel in the energy sector comes with various advantages. To begin with, special steel provides exceptional strength and durability, making it the ideal material for constructing different energy infrastructure components like pipelines, pressure vessels, and turbines. Its high tensile strength and resistance to corrosion ensure that these structures can withstand the harsh conditions and pressures encountered in the energy sector, thereby reducing the risk of failures and increasing their lifespan. Additionally, special steel exhibits excellent heat resistance properties, which is crucial in the energy sector where high temperatures are generated. This makes it suitable for applications such as power generation, where it can be used in the construction of boilers, heat exchangers, and nuclear reactors. The ability of special steel to withstand extreme heat without deforming or losing its mechanical properties is vital for ensuring the safe and efficient operation of energy facilities. Furthermore, special steel offers superior weldability and formability, allowing for easier fabrication and assembly of complex energy infrastructure components. This makes it easier and more cost-effective to manufacture and install equipment in the energy sector, reducing both production costs and construction time. Another advantage of using special steel in the energy sector is its resistance to fatigue and cracking. Energy infrastructure components are subjected to cyclic loading and stress, which can lead to fatigue failure over time. The ability of special steel to resist fatigue and crack propagation ensures the long-term reliability and safety of energy infrastructure. Moreover, special steel offers excellent magnetic properties, making it suitable for use in power transmission and electrical equipment. Its magnetic permeability and low electrical resistance allow for efficient transmission and distribution of electricity, reducing energy losses and improving overall system performance. In conclusion, the use of special steel in the energy sector provides enhanced strength, durability, heat resistance, weldability, and fatigue resistance. These properties contribute to the reliability, safety, and efficiency of energy infrastructure, making special steel an invaluable material for the energy sector.
Q: How is high-strength alloy steel used in the production of structural components?
High-strength alloy steel is commonly used in the production of structural components due to its exceptional strength-to-weight ratio and durability. It provides the necessary strength and stability required for structural applications, such as bridges, buildings, and infrastructure. The high-strength properties of alloy steel allow for the creation of lighter and more efficient structures, reducing material and construction costs while ensuring structural integrity and safety.
Q: How does special steel contribute to the energy sector?
The energy sector heavily relies on special steel, which plays a vital role in improving efficiency, reliability, and safety. Firstly, special steel is essential for constructing pipelines and storage tanks in the oil and gas industry. These components must withstand high pressures, extreme temperatures, and corrosive surroundings, and special steel provides the necessary strength and resistance to ensure their integrity and prevent any leakage. Additionally, special steel is utilized in power generation plants to manufacture turbine blades and other crucial parts. These plants require materials that can endure the high temperatures and pressures generated by fossil fuel combustion or nuclear energy use. Special steel's heat-resistant properties make it the perfect choice for these applications, enhancing the overall efficiency and longevity of power plants. Furthermore, special steel is vital for producing wind turbines, which are rapidly becoming a significant source of renewable energy. The blades, tower structures, and gearboxes of wind turbines undergo significant stress and strain, and special steel provides the strength and durability needed to withstand these conditions. By incorporating special steel, wind turbines can operate reliably and efficiently, contributing to the growth of clean energy. Moreover, special steel is indispensable for infrastructure in the energy sector, such as transmission towers and substations. These structures must support heavy loads and endure extreme weather conditions while maintaining electrical conductivity. Special steel's high strength and corrosion resistance make it an ideal material for these applications, ensuring the reliable transmission and distribution of electricity. In summary, special steel is a crucial element in the energy sector, providing the necessary strength, durability, and resistance to extreme conditions. Its use in pipelines, power generation plants, wind turbines, and infrastructure improves the efficiency, reliability, and safety of the energy sector, facilitating the production and distribution of both conventional and renewable energy sources.
Q: How is special steel used in the production of automotive springs?
Special steel is used in the production of automotive springs due to its high strength and durability properties, which are essential for supporting the weight of the vehicle and providing a smooth ride. The special steel's unique composition and manufacturing processes ensure that the springs can withstand repeated stress and maintain their shape over time, enhancing the overall performance and safety of the vehicle.
Q: What are the main factors affecting the creep rupture strength of special steel?
The creep rupture strength of special steel is influenced by various key parameters. These factors can be categorized into several categories. Firstly, temperature plays a significant role in determining the creep rupture strength of special steel. The operating temperature affects atomic diffusion and dislocation movement, which in turn leads to accelerated deformation and eventual failure. Higher temperatures can greatly reduce the creep rupture strength of special steel. Secondly, the time duration of the applied load also affects creep rupture strength. Creep is a time-dependent phenomenon, meaning that the longer the steel is under stress, the more likely it is to experience rupture. The relationship between time and creep rupture strength is usually described by a power law equation, with longer durations resulting in lower rupture strength. The stress level is another critical factor that influences creep rupture strength. Higher levels of stress lead to faster deformation and shorter time to rupture. Therefore, it is important to ensure that the stress applied to special steel remains within an acceptable range to maintain its desired creep rupture strength. The microstructure of special steel is crucial in determining its creep rupture strength. Factors like grain size, grain boundary characteristics, and the presence of alloying elements all impact the steel's resistance to creep deformation and rupture. Fine-grained microstructures with a high density of grain boundaries tend to exhibit better creep resistance and higher rupture strength. The chemical composition of special steel also significantly affects its creep rupture strength. The addition of certain alloying elements, such as chromium, molybdenum, and vanadium, enhances the steel's high-temperature strength and resistance to creep deformation. These elements form stable carbides that hinder dislocation movement and improve the material's creep rupture strength. Furthermore, the heat treatment process used to modify the microstructure of special steel can also impact its creep rupture strength. Proper heat treatment optimizes grain size, the distribution of alloying elements, and overall microstructure, resulting in improved creep resistance and higher rupture strength. In conclusion, the creep rupture strength of special steel is influenced by temperature, time, stress level, microstructure, composition, and heat treatment. Understanding and controlling these parameters are vital in ensuring the desired performance and reliability of special steel in high-temperature and long-term applications.
Q: Can special steel be used in power generation applications?
Yes, special steel can certainly be used in power generation applications. Special steel refers to various types of steel that are specifically designed to have enhanced properties such as high strength, durability, heat resistance, corrosion resistance, and wear resistance. These properties make special steel ideal for use in power generation applications where the materials need to withstand high temperatures, pressures, and mechanical stresses. In power generation, special steel can be used in various components and equipment, such as turbine blades, boiler tubes, heat exchangers, steam pipes, and high-pressure valves. For example, in thermal power plants, where fossil fuels are burned to generate electricity, special steel is commonly used in boiler tubes and heat exchangers to withstand the high temperatures and pressures of the steam generation process. Additionally, in nuclear power plants, special steel is used in critical components like reactor vessels, steam generators, and fuel cladding due to its excellent strength, resistance to radiation damage, and corrosion resistance. Furthermore, special steel is also used in renewable energy power generation applications. For instance, in wind turbines, special steel is used in the construction of turbine towers, rotor blades, and gearboxes, as it needs to withstand high wind speeds, vibrations, and fatigue. Overall, special steel plays a crucial role in power generation applications due to its exceptional properties, ensuring the reliability, efficiency, and longevity of the equipment and components used in various power generation systems.
Q: What are the different methods of preventing galvanic corrosion in special steel?
There are several methods available to prevent galvanic corrosion in special steel: 1. Coating: Applying a protective coating to the surface of the steel can prevent direct contact between the steel and the corrosive environment. This can be done using various types of coatings such as paints, epoxy, or polyurethane. The coating acts as a barrier and prevents the formation of galvanic cells. 2. Cathodic protection: This method involves making the steel the cathode in a galvanic cell, which prevents corrosion. This can be achieved through two techniques: sacrificial anode cathodic protection and impressed current cathodic protection. Sacrificial anode cathodic protection involves connecting a more reactive metal, such as zinc or magnesium, to the steel. The sacrificial anode corrodes instead of the steel, protecting it. Impressed current cathodic protection involves applying a low-level direct current to the steel, which prevents the formation of galvanic cells. 3. Isolation: By physically separating the special steel from other metals that are more reactive, galvanic corrosion can be prevented. This can be done by using insulating materials, such as plastic or rubber, between the steel and other metals. 4. Alloying: The addition of certain alloying elements to the special steel can improve its resistance to galvanic corrosion. For example, adding chromium to steel forms a passive oxide layer on the surface, which acts as a barrier against corrosion. 5. Design considerations: Proper design and engineering can also help prevent galvanic corrosion. For example, avoiding the use of dissimilar metals in close proximity can minimize the potential for galvanic corrosion. Additionally, designing structures to allow for proper drainage and ventilation can prevent the accumulation of moisture, which can accelerate galvanic corrosion. It is important to note that the selection of the most appropriate method for preventing galvanic corrosion in special steel depends on various factors such as the specific environment, cost considerations, and the desired lifespan of the steel.
Q: How is magnetic alloy steel used in the production of magnetic components?
Magnetic alloy steel is used in the production of magnetic components due to its high magnetic permeability and excellent magnetic properties. It is commonly utilized in manufacturing various magnetic components such as cores, stators, rotors, and transformers. The alloy's magnetic properties allow for efficient magnetization and demagnetization, making it suitable for applications where strong magnetic fields are required. Additionally, magnetic alloy steel is often used in electrical motors, generators, and magnetic sensors, contributing to their overall performance and reliability.

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