Hot Rolled Spring Steel Round Bar 30mm with High Quality
- Ref Price:
-
- 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 30mm 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 30mm 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 30mm 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 W9Cr4V2Mo W18Cr4V W6Mo5Cr4V2 5CrMnMo 60CrMnMoNi 37CrA 55SiMoVA etc
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: Why buy Materials & Equipment from OKorder.com?
A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q2: How do we guarantee the quality of our products?
A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
Q3: How soon can we receive the product after purchase?
A3: 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.
Q4: How many types of bearing steel that OKorder.com can supply?
A4: Two types, carbon spring steel and alloy spring steel
Images:
- Q: What are the common challenges in welding titanium alloys?
- Welding titanium alloys poses several common challenges, mainly due to the unique properties of titanium. First, titanium has a high melting point, around 1668°C (3034°F), which requires specialized equipment and techniques to achieve optimal welding conditions. This high melting point also increases the risk of overheating and subsequent distortion or warping of the welded parts. Another challenge is the high reactivity of titanium with oxygen, nitrogen, and hydrogen. During the welding process, these gases can easily contaminate the weld pool, leading to the formation of brittle and porous welds. Therefore, stringent measures such as using inert shielding gases like argon or helium, maintaining a high level of cleanliness, and employing proper welding techniques like gas tungsten arc welding (GTAW) are necessary to minimize contamination and achieve sound welds. Titanium also has a strong affinity for carbon, which can result in the formation of brittle intermetallic compounds during welding. To prevent this, it is crucial to use low-carbon filler metals and ensure proper heat input to avoid carbon diffusion into the weld zone. Furthermore, titanium alloys have a low thermal conductivity, which means that heat generated during welding tends to concentrate in a small area, leading to localized overheating and potential damage. Therefore, controlling heat input and employing appropriate welding techniques to distribute heat evenly are crucial to avoid overheating and maintain the integrity of the welded joint. Lastly, titanium alloys exhibit a high thermal expansion coefficient, causing significant thermal expansion and contraction during the welding process. This can result in distortion and residual stresses in the welded parts. To mitigate these issues, preheating and post-weld heat treatment may be necessary to minimize distortion and relieve residual stresses. In summary, the common challenges in welding titanium alloys include high melting point, reactivity with gases, potential contamination, formation of intermetallic compounds, low thermal conductivity, and significant thermal expansion. By understanding these challenges and implementing appropriate welding techniques, it is possible to overcome these difficulties and achieve high-quality welds in titanium alloys.
- Q: What are the different forming techniques for special steel?
- There are several different forming techniques for special steel, including hot forming, cold forming, and casting. Hot forming involves heating the steel above its recrystallization temperature and shaping it into the desired form using tools or dies. Cold forming, on the other hand, involves manipulating the steel below its recrystallization temperature, often through processes like rolling, bending, or extrusion. Casting is another common technique, where molten steel is poured into a mold and allowed to solidify into the desired shape. Each technique has its own advantages and is chosen based on the specific requirements of the application.
- Q: What are the challenges in machining high-speed special steel?
- Machining high-speed special steel poses several challenges due to its unique properties and characteristics. One of the main challenges is its extreme hardness, which makes it difficult to cut and shape. High-speed special steel typically has a high carbon content and is heat-treated to enhance its hardness, which results in increased wear on cutting tools. The high hardness of this steel also leads to increased heat generation during machining, which can cause thermal distortion and affect the dimensional accuracy of the finished product. This requires the use of specialized cooling techniques and cutting tools with advanced coatings to dissipate heat and maintain stability. Another challenge is the brittleness of high-speed special steel. It tends to have low toughness and is prone to cracking and chipping during machining operations. This requires careful selection of cutting parameters, such as cutting speed, feed rate, and depth of cut, to prevent excessive stress and minimize the risk of tool failure. Additionally, high-speed special steel often contains alloying elements like tungsten, vanadium, and cobalt, which can further complicate the machining process. These elements increase the strength and wear resistance of the steel but also make it more challenging to machine. Specialized tool materials and cutting strategies are required to effectively machine these alloys and achieve desired surface finishes. Furthermore, the cost of high-speed special steel can be significantly higher than conventional steels, which adds to the challenges of machining. The high tooling costs associated with cutting tools necessary to machine this steel can be a significant investment. Overall, machining high-speed special steel requires advanced cutting techniques, specialized tooling, and careful consideration of cutting parameters to overcome the challenges posed by its extreme hardness, brittleness, and alloying elements.
- Q: How does special steel contribute to the heat resistance of products?
- The heat resistance of products is enhanced by special steel, which possesses superior mechanical properties that enable it to withstand high temperatures without deforming or compromising its structural integrity. The unique composition and manufacturing process of special steel result in improved heat resistance, making it an ideal material for applications exposed to extreme heat conditions. Compared to standard steel, special steel is designed with a high melting point, enabling it to endure higher temperatures. This is achieved through the inclusion of alloying elements like chromium, nickel, molybdenum, or vanadium, which enhance the steel's ability to withstand heat. These elements create stable oxide layers on the steel's surface, acting as a barrier against oxidation and preventing strength loss or brittleness when subjected to high temperatures. Moreover, special steel often undergoes heat-resistant coatings or specialized heat treatment processes to further enhance its heat resistance. These treatments, such as quenching and tempering, annealing, or precipitation hardening, modify the steel's microstructure, improving its resistance to thermal fatigue, creep, and thermal shock. The heat resistance provided by special steel allows for the production of products suitable for demanding environments, including aerospace, automotive, power generation, and industrial applications. In the aerospace industry, for example, special steel is employed in the manufacturing of turbine blades that face exceptionally high temperatures in jet engines. In the automotive industry, it is used for producing exhaust systems and engine components that must withstand intense heat from combustion processes. To summarize, special steel enhances the heat resistance of products by providing a higher melting point, improved oxidation resistance, and enhanced mechanical properties, ensuring their structural integrity and functionality even in extreme heat conditions. This makes special steel an indispensable material for industries seeking durable and reliable solutions that can withstand high temperatures.
- Q: How does special steel perform in high-temperature oxidation resistance?
- Special steel is specifically engineered to possess exceptional resistance to oxidation at high temperatures. This kind of steel incorporates alloying components like chromium, aluminum, and silicon, which generate a protective layer of oxide on the surface when subjected to extreme heat. This oxide layer acts as a barrier, preventing further oxidation and corrosion of the steel. The capacity of special steel to withstand high-temperature oxidation is of utmost importance in scenarios where the material is exposed to intense heat and oxidation, for instance, in gas turbines, heat exchangers, and furnaces. The protective oxide layer aids in preserving the strength and integrity of the steel, even under rigorous conditions. Moreover, special steel also showcases remarkable resistance to creep at high temperatures. Creep refers to the gradual distortion of a material under a consistent load and elevated temperatures. The distinctive composition of special steel grants it the ability to resist creep deformation, thereby enhancing its overall performance and dependability in environments with high temperatures. In conclusion, special steel exhibits exceptional performance in terms of resistance to high-temperature oxidation due to its alloying elements and the formation of a protective oxide layer. Its capability to resist oxidation and maintain its structural integrity at elevated temperatures makes it the preferred choice for numerous industrial applications.
- Q: What are the challenges in working with special steel?
- Working with special steel presents several unique challenges compared to working with regular steel. Here are some of the main challenges one may encounter when working with special steel: 1. High cost: Special steels often have higher production costs due to their unique composition and properties. The raw materials used in their production may be rare or require complex manufacturing processes, leading to increased costs. 2. Limited availability: Special steels are not as widely available as regular steels, making it more challenging to source them. This limited availability can lead to longer lead times and potentially higher costs when trying to procure the necessary materials. 3. Complexity in machining: Special steels can be difficult to machine due to their high hardness or toughness. Their unique properties may cause excessive tool wear, leading to increased machining time and costs. Specialized cutting tools and machining techniques may be required to overcome these challenges. 4. Heat treatment requirements: Special steels often require precise and specific heat treatment processes to achieve the desired mechanical properties. The complexity of heat treatment can be a challenge, as it requires careful control of temperature, time, and cooling rates. Improper heat treatment can lead to inconsistent material properties or even material failure. 5. Weldability issues: Some special steels may have poor weldability compared to regular steels. They may be prone to cracking or require preheating and post-weld heat treatment to ensure proper joint integrity. This can add complexity and cost to welding processes. 6. Corrosion resistance: While special steels may possess excellent mechanical properties, they can sometimes be more susceptible to corrosion compared to regular steels. This requires additional measures to protect the steel from corrosion, such as applying protective coatings or using corrosion-resistant alloys. 7. Knowledge and expertise: Working with special steels often demands a higher level of technical knowledge and expertise. The unique properties and characteristics of these materials require a deep understanding of their behavior and how to effectively work with them. This may require specialized training or collaboration with experts in the field. Despite these challenges, working with special steel can also offer various benefits, such as superior strength, durability, and performance in specific applications. By understanding and addressing these challenges, engineers and manufacturers can harness the unique properties of special steel to develop innovative and high-quality products.
- Q: How is electrical steel used in the manufacturing of transformers?
- Electrical steel, also known as silicon steel, is crucial in the manufacturing of transformers. It is used to construct the core, which is the heart of the transformer. The unique magnetic properties of electrical steel allow it to efficiently conduct and transfer electrical energy. By laminating thin layers of electrical steel together, the core minimizes energy losses through eddy currents and hysteresis. This ensures optimal performance, high efficiency, and reduced heat generation in transformers.
- Q: What are the properties of ultra-high-strength steel?
- Ultra-high-strength steel possesses exceptional mechanical properties, including high tensile strength, excellent toughness, and superior fatigue resistance. It exhibits high stiffness, enabling it to withstand heavy loads and maintain its shape even under extreme conditions. With its low weight and high strength-to-weight ratio, this steel offers enhanced fuel efficiency and increased payload capacity. Additionally, it exhibits good weldability, corrosion resistance, and is often used in applications where both strength and durability are paramount, such as in automotive, aerospace, and construction industries.
- Q: How does special steel contribute to the electrical industry?
- The electrical industry relies heavily on special steel to produce a wide range of components and equipment required for the generation, transmission, and distribution of electricity. Power transformers, for instance, heavily rely on special steel. These transformers are crucial for adjusting voltage levels in the electricity grid, allowing for efficient transmission and distribution of electricity. Special steel, thanks to its exceptional strength, durability, and magnetic properties, is employed to construct the cores of these transformers. The high magnetic permeability of special steel ensures minimal energy loss during the transformation process, resulting in more efficient power transmission. In addition, special steel is extensively used in the manufacturing of electrical conductors, such as wires and cables. These conductors are responsible for transporting electricity from power plants to various end-use applications. Special steel wires boast excellent conductivity and resistance to corrosion, making them ideal for transmitting electricity over long distances with minimal energy loss. Moreover, special steel is employed in the production of electrical connectors and terminals, ensuring secure and reliable connections between different electrical components. The electrical industry also relies on special steel for the fabrication of electrical motors and generators. The exceptional strength and magnetic properties of special steel contribute to the efficient conversion of electrical energy into mechanical energy, ensuring the smooth operation of motors and generators. Furthermore, special steel is used in the manufacturing of electrical switches, circuit breakers, and other protective devices, guaranteeing the safe and reliable functioning of electrical systems. Overall, special steel plays an indispensable role in the electrical industry by enabling the production of essential components and equipment necessary for the generation, transmission, and distribution of electricity. Its unique properties contribute to enhanced energy efficiency, reliability, and safety in electrical systems, cementing its status as an indispensable material in this industry.
- Q: What are the different methods for improving the heat resistance of special steel?
- There are various techniques available to enhance the heat resistance of special steel. These techniques comprise: 1. Alloying: Enhancing the heat resistance of steel can be achieved by alloying it with specific elements. The addition of chromium, nickel, or molybdenum, for instance, significantly augments the steel's ability to withstand high temperatures. 2. Heat treatment: Heat treatment processes like annealing, quenching, and tempering can be employed to enhance the heat resistance of special steel. These processes refine the steel's microstructure and enhance its mechanical properties, including heat resistance. 3. Surface modification: The heat resistance of special steel can be improved by applying specialized coatings or surface treatments. Processes such as nitriding, carburizing, or ceramic coating create a protective layer on the steel's surface, preventing oxidation and enhancing its ability to withstand high temperatures. 4. Grain refinement: Heat resistance can be improved by controlling the grain size of the steel through processes like grain refinement or recrystallization. Smaller grain sizes reduce the diffusion of atoms within the material, making it more resistant to high temperatures. 5. Precipitation hardening: Precipitation hardening involves the formation of small particles within the steel matrix, strengthening the material and improving its resistance to heat. This technique requires a specific heat treatment process to enable the formation of these particles. 6. Controlled cooling: Optimizing the cooling process after heat treatment can also enhance the heat resistance of special steel. By controlling the cooling rate, the formation of unwanted phases or microstructural defects can be minimized, ensuring better heat resistance. 7. Material selection: Selecting the appropriate type of special steel with inherent high heat resistance properties is another method to improve heat resistance. Stainless steel, tool steel, or superalloys, for instance, are renowned for their excellent heat resistance and are often chosen for applications involving high temperatures. It is important to note that the choice of the suitable method or combination of methods for enhancing heat resistance depends on the specific requirements and limitations of the application.
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Hot Rolled Spring Steel Round Bar 30mm with High Quality
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 500 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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