45# Carbon Steel Hot Rolled Bars Forged Bars

45# Carbon Steel Hot Rolled Bars Forged Bars System 1

45# Carbon Steel Hot Rolled Bars Forged Bars

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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:

Carbon Steel

Shape:

Steel Round Bar

45# Carbon Steel Hot Rolled Bars Forged Bars

Product Details:

Name:45# Carbon Steel Hot Rolled Bars Forged Bars

Place of Origin:Liaoning,China Brand Name:Dongbei Tegang

Shape:round bar Material: Alloy Structural Steel

Steel Grade: AISI 1045/JIS S45C/DIN C45/GB 45

Size:Diameter:16mm~350mm

Application:used in making high strengthened and wear resistant parts that works under high pressure, like axle, spring ring, axletree, cam, and steel sling etc.

Chemical Composition:

C	Si	Mn	Cr	Ni	Cu	P	S
0.38-0.43	0.17-0.37	0.50-0.80	≤0.25	≤0.30	≤0.35	≤0.035	≤0.035

Characteristics:

- High hardness, strength and toughness.

- Poor plasticity during cold deformation.

- Medium machinability.

- Poor weldability.

- Poor hardenability.

- Cracks is often caused during water quenching process.

- Large parts should be in normalizing treatment.

Application:

45# Carbon Steel Hot Rolled Bars Forged Bars can be used to be manufactured roller, shaft, tyre, spring ring, damping spring, clutch and steel wire rope, etc.

Product Show:

45# Carbon Steel Hot Rolled Bars Forged Bars

Q: How does special steel contribute to the automotive exhaust system industry?: The automotive exhaust system industry greatly benefits from the use of special steel, which makes significant contributions. Firstly, special steel, such as stainless steel, offers excellent resistance to corrosion, a common problem faced by exhaust systems due to exposure to high temperatures and corrosive gases. This corrosion resistance ensures the longevity and durability of the exhaust system, reducing the need for frequent replacements and repairs. Additionally, special steel possesses outstanding heat resistance properties. As the exhaust system operates under extreme temperatures, special steel can withstand these conditions without deforming or suffering structural damage. This ability to handle high temperatures ensures the efficient functioning and long-term performance of the exhaust system. Moreover, special steel provides exceptional strength and durability. The exhaust system is constantly subjected to vibrations, impacts, and stress due to road conditions and engine movements. The high strength and toughness of special steel enable the exhaust system to withstand these forces, preventing premature failures and ensuring the safety and reliability of the vehicle. Furthermore, special steel allows for the design and production of intricate and lightweight components for the exhaust system. With advancements in steel technology, manufacturers can create complex shapes and thin-walled structures, reducing the overall weight of the exhaust system. This weight reduction contributes to improved fuel efficiency and vehicle performance by reducing the burden on the engine. Lastly, special steel offers the automotive industry the flexibility to meet increasingly strict emission regulations. By incorporating special steel in the exhaust system, manufacturers can effectively integrate catalytic converters and other emission control devices. These devices play a crucial role in reducing harmful emissions like carbon monoxide, nitrogen oxides, and particulate matter, thus ensuring compliance with environmental standards. In conclusion, special steel is an indispensable element in the automotive exhaust system industry. Its corrosion resistance, heat resistance, strength, and lightweight properties contribute to the longevity, reliability, and performance of the exhaust system. Additionally, special steel enables compliance with emission regulations, making vehicles more environmentally friendly. Ultimately, special steel plays a vital role in improving the efficiency and sustainability of the automotive exhaust system industry.

Q: Can special steel be used in the transportation industry?: Yes, special steel can be used in the transportation industry. Special steel alloys, such as stainless steel and high-strength steel, offer superior strength, corrosion resistance, and durability, making them suitable for various applications in transportation. These steels are commonly used in the production of automotive components, aircraft parts, railway infrastructure, and ships, enhancing safety and performance in the transportation sector.

Q: What are the main alloying elements used in special steel?: The main alloying elements used in special steel can vary depending on the specific type of special steel, but common alloying elements include chromium, nickel, molybdenum, vanadium, and tungsten. These elements are added to enhance the steel's properties such as corrosion resistance, strength, hardness, and heat resistance.

Q: How does special steel perform in extreme cold temperatures?: Special steel is specifically designed to perform well in extreme cold temperatures. It is made using alloys that have a low temperature ductility, meaning they can withstand and maintain their structural integrity even in extremely cold conditions. This type of steel is often used in applications such as Arctic exploration, oil and gas operations in cold environments, and in the aerospace industry. One of the key properties of special steel is its ability to resist brittleness at low temperatures. Unlike regular steel, which becomes brittle and prone to cracking in extreme cold, special steel retains its toughness, making it suitable for use in sub-zero conditions. This is achieved by carefully selecting and controlling the composition of the alloy, which allows for a better balance between strength and ductility. Furthermore, special steel has excellent corrosion resistance, which is particularly important in cold environments where exposure to snow, ice, and moisture is common. The alloying elements in special steel, such as chromium and nickel, form a protective oxide layer on the surface, preventing corrosion and maintaining the structural integrity of the steel. In addition, special steel also has good thermal conductivity, which means it can efficiently transfer heat even in extreme cold temperatures. This property is crucial in applications where heat management is essential, such as in the aerospace industry or in equipment operating in cold climates. Overall, special steel is specifically engineered to perform exceptionally well in extreme cold temperatures. Its low temperature ductility, resistance to brittleness, corrosion resistance, and thermal conductivity make it a reliable and durable material for various applications in cold environments.

Q: How does special steel contribute to the food processing aftermarket industry?: The food processing aftermarket industry greatly benefits from the use of special steel, as it offers a multitude of advantages that enhance overall efficiency, safety, and productivity. To begin with, special steel is renowned for its remarkable resistance to corrosion. This is particularly crucial in the food processing industry, where equipment frequently encounters acidic and corrosive substances. By utilizing special steel, machinery remains impervious to rust and contamination. As a result, the hygiene and quality standards of food processing operations are maintained, thereby reducing the risk of foodborne illnesses and contamination. Moreover, special steel exhibits exceptional strength and durability, enabling food processing equipment to withstand the demanding conditions of heavy usage and continuous operations. The robustness of special steel ensures the reliability of equipment, minimizing the likelihood of breakdowns or malfunctions during critical production processes. Consequently, operational efficiency is increased, downtime is reduced, and production output is improved. Furthermore, special steel can be customized to suit specific applications, allowing manufacturers to design and produce equipment that meets the unique requirements of the food processing industry. Special steel alloys can be tailored to possess specific properties, such as heat resistance, wear resistance, or hardness, depending on the specific processing needs. This adaptability guarantees that equipment can handle different types of food products, processing techniques, and operating conditions, resulting in enhanced versatility and adaptability within the food processing aftermarket industry. Additionally, special steel is compatible with various cleaning and sterilization processes, making it ideal for food processing equipment. The material can endure high-temperature cleaning methods, such as steam or chemical cleaning, without deteriorating or compromising its structural integrity. This ease of cleaning and sterilization contributes to maintaining the highest standards of hygiene and sanitation within the food processing industry. In conclusion, special steel's resistance to corrosion, strength, durability, customization options, and compatibility with cleaning processes make it an invaluable material within the food processing aftermarket industry. Its contribution to equipment reliability, hygiene, and productivity ensures that food processing operations can meet the stringent quality and safety standards required in this sector.

Q: How does special steel contribute to the corrosion resistance of products?: By incorporating specific alloying elements, special steel enhances its ability to withstand corrosion and contributes to the corrosion resistance of products. These alloying elements, such as chromium and nickel, create a protective layer known as a passive film on the steel's surface. This passive film acts as a barrier, preventing the penetration of oxygen and moisture to the underlying metal, thus reducing the chances of corrosion. Special steel contains high levels of chromium, which enables the formation of a dense and stable chromium oxide layer on the surface. This layer acts as a physical barrier, preventing the diffusion of corrosive agents and inhibiting rust formation. Additionally, the presence of nickel in the alloy further improves the steel's corrosion resistance by promoting the formation of a more uniform and adherent passive film. Furthermore, special steel can undergo specific treatments or processes to enhance its corrosion resistance. Techniques like heat treatment and surface coating can modify the steel's structure and composition, facilitating the formation of more stable passive films and reducing susceptibility to corrosion. These treatments also improve the steel's mechanical properties, making it more durable and resistant to external factors that may lead to corrosion. In conclusion, the utilization of special steel in various products enhances their resistance to corrosion through the incorporation of alloying elements and the application of specific treatments that encourage the formation of protective passive films. This, in turn, extends the lifespan of the products and ensures their performance and integrity, even in harsh and corrosive environments.

Q: What are the different methods of heat treatment for special steel?: There are several different methods of heat treatment for special steel, each designed to enhance specific properties of the steel. These methods include: 1. Annealing: This method involves heating the steel to a specific temperature and then slowly cooling it, typically in a controlled atmosphere. Annealing helps to relieve internal stresses, improve machinability, and soften the steel for further processing. 2. Normalizing: Normalizing is a heat treatment process that involves heating the steel to a temperature above its critical temperature and then air cooling it in still air. This method is commonly used to refine the grain structure of the steel, improve its mechanical properties, and enhance its strength and toughness. 3. Quenching: Quenching is a method that involves rapidly cooling the steel from a high temperature by immersing it in a quenching medium such as oil, water, or brine. This process results in the formation of a very hard and brittle structure known as martensite, which increases the steel's hardness and wear resistance. 4. Tempering: Tempering is performed after quenching and involves reheating the steel to a specific temperature and holding it there for a certain period of time, followed by air cooling. This process helps to reduce the brittleness of the steel caused by quenching and improves its toughness, ductility, and impact resistance. 5. Austempering: Austempering is a heat treatment method that involves quenching the steel from a high temperature and then holding it at a specific temperature for a prolonged period of time. This process produces a structure called bainite, which provides a combination of strength, toughness, and ductility. 6. Martempering: Martempering is a variation of quenching that involves cooling the steel to a temperature just above its martensitic transformation range and then holding it at that temperature until it becomes uniformly cooled. This method reduces the risk of distortion and cracking compared to traditional quenching and provides improved toughness and dimensional stability. 7. Induction hardening: Induction hardening is a surface heat treatment method used to selectively harden specific areas of the steel. It involves heating the surface of the steel using induction heating and then rapidly quenching it. This process results in a hardened surface layer while maintaining the toughness and ductility of the core. These different methods of heat treatment for special steel provide a range of options to optimize the desired properties of the steel, depending on the specific application and requirements.

Q: What are the advantages of using special steel in specific applications?: There are several advantages of using special steel in specific applications. Firstly, special steel offers enhanced strength and durability compared to regular steel. It has higher tensile strength and better resistance to wear and tear, making it ideal for applications where high strength is required, such as in construction, automotive, and aerospace industries. This ensures that the components made from special steel can withstand heavy loads, extreme temperatures, and harsh operating conditions without deformation or failure. Secondly, special steel has excellent corrosion resistance properties. It can resist the effects of moisture, chemicals, and other corrosive elements, making it suitable for applications in marine environments, chemical processing plants, and offshore structures. Special steel can maintain its integrity and structural stability even when exposed to aggressive substances, thereby extending the lifespan of the equipment and reducing maintenance costs. Another advantage of using special steel is its versatility. It can be easily customized and tailored to meet specific requirements of different applications. Special steel can be engineered to have specific mechanical properties, such as hardness, toughness, or flexibility, depending on the desired application. This allows for greater adaptability and enables designers and engineers to create components that are optimized for their intended use. Furthermore, special steel often exhibits excellent heat resistance capabilities. It can withstand high temperatures without losing its mechanical properties, making it suitable for applications involving extreme heat, such as in the manufacturing of industrial furnaces, turbines, and engines. This heat resistance also allows the steel to retain its strength and shape, minimizing the risk of deformation or failure under elevated temperatures. Lastly, special steel offers superior machinability and weldability. It can be easily formed, cut, and welded into complex shapes and structures, allowing for efficient manufacturing processes and reducing production costs. Special steel's machinability also ensures accurate and precise fabrication, resulting in high-quality components that meet strict industry standards. In conclusion, the advantages of using special steel in specific applications include enhanced strength, durability, corrosion resistance, versatility, heat resistance, and excellent machinability. These properties make special steel a preferred choice for various industries, where reliability, performance, and longevity are paramount.

Q: How does special steel contribute to the automotive suspension industry?: Special steel plays a crucial role in the automotive suspension industry by providing enhanced strength, durability, and performance to suspension components. Special steel alloys, such as high-strength low-alloy (HSLA) steel, are specifically designed to withstand the rigorous demands of the suspension system, ensuring optimal performance and safety. One of the key benefits of special steel in the automotive suspension industry is its exceptional strength-to-weight ratio. Suspension components made from special steel alloys are able to withstand heavy loads and resist deformation, leading to improved handling, stability, and overall vehicle performance. This strength also contributes to increased durability, reducing the likelihood of premature component failure and extending the lifespan of the suspension system. Moreover, special steel offers superior fatigue resistance, which is crucial in the suspension industry where components are subjected to repetitive stress and vibrations. This fatigue resistance helps to prevent cracks and fractures in suspension parts, ensuring reliable and safe operation even under challenging conditions. In addition, special steel alloys can provide enhanced corrosion resistance, protecting suspension components from the detrimental effects of moisture, salt, and other environmental factors. This corrosion resistance helps to prolong the lifespan of the suspension system, reducing maintenance costs and improving overall reliability. Furthermore, special steel allows for improved design flexibility in suspension components. Its unique properties, such as high formability and weldability, enable manufacturers to produce complex and lightweight designs, resulting in more efficient suspension systems. These lightweight designs not only contribute to fuel efficiency and reduced emissions but also enhance the overall driving experience by improving vehicle agility and responsiveness. In summary, special steel is vital to the automotive suspension industry as it provides enhanced strength, durability, and performance to suspension components. Its exceptional strength-to-weight ratio, fatigue resistance, corrosion resistance, and design flexibility contribute to improved handling, stability, safety, and overall vehicle performance. Through its unique properties, special steel helps to ensure reliable and efficient suspension systems, meeting the demanding requirements of the automotive industry.