C45 Round Bar Carbon Steel Round Bars System 1

C45 Round Bar Carbon Steel Round 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

C45 Round Bar Carbon Steel Round Bars

Product Description:

(1) Rough Turned
(2) Normalized/Q+T/Annealed

forged round bar 1045

1). Manufacture: EAF+LF+VD(ANNEAL,normalized,peeled,rough turned)

2). Size: 200mm~700mm

3). Length: follow by the requirement of customer(normal length is 3-6m)

4). Inspecting: UTS follows as GB/T6402-91 CLASS 3 or SEP 1921 C/C ,D/d

5). Cut both ends

6). Payment:T/T at sight

7). Chemical:follow the standard which customer offer

8). Delivery: follows by the customer

Chemical Composition:

Grade	C	Si	Mn	P	S	Cr	Ni	B
1020	0.17-0.23	0.17-0.37	0.35-0.65	Max 0.030	Max 0.030	Max 0.25	Max 0.30	0.0008-0.0030
1045	0.42-0.50	0.17-0.37	0.50-0.80	Max 0.030	Max 0.030	Max 0.25	Max 0.30	0.0008-0.0030

Appliction:

Steel bar applies to petroleum, chemical industry, electric power, boiler,high temperature resistant,low temperature resistant, corrosion resistant.Carbon steel bar also can be made accroding to the customer's required.

Characteristic:

General purpose medium carbon steel delivered in as rolled condition. It can be further heat treated to achieve specific mechanical properties. The 0.45% carbon content is not favorable for welding. However, it can be weld with appropriate pre and post weld heat treatment. Surface hardness of 57~62 HRC can be achieved with cast hardening to a depth of approximately 1mm. Used for most transmission and motor parts of medium strength. Case hardened parts such as camshafts, gears, rocking levers etc. Simple hand tools and various types of fasteners and fixtures, machinery parts and components with medium stress.

Product Show:

C45 Round Bar Carbon Steel Round Bars

Q: What is the significance of carbon content in special steel?: The carbon content in special steel is significant as it directly impacts the steel's strength, hardness, and overall performance. A higher carbon content typically results in a harder and stronger steel, making it suitable for applications that require durability and wear resistance, such as cutting tools or machinery components. On the other hand, a lower carbon content enhances the steel's toughness and ductility, making it more suitable for applications that require flexibility, such as structural components or automotive parts. Therefore, controlling the carbon content in special steel is crucial in tailoring its properties to meet specific industrial requirements.

Q: What are the main factors affecting the cost of special steel?: The main factors affecting the cost of special steel include the cost of raw materials, such as iron ore and other alloying elements, as well as the cost of energy required for the manufacturing process. Other factors include the complexity of production methods, the level of demand and supply in the market, transportation costs, and any additional costs associated with quality control and compliance with industry standards.

Q: How does special steel enhance the performance of cutting tools?: Special steel brings about various enhancements to the performance of cutting tools. To begin with, special steel is specifically designed to possess greater hardness and wear resistance in comparison to standard steel. This heightened hardness ensures that cutting tools retain their sharpness for extended periods, resulting in improved cutting efficiency and accuracy. Furthermore, the exceptional wear resistance of special steel guarantees that the cutting edges of the tools do not wear down quickly, allowing them to endure the substantial forces and pressures involved in cutting operations. Moreover, special steel often exhibits superior toughness and strength when compared to regular steel. This augmented toughness enables cutting tools to endure impacts and vibrations without succumbing to breakage or chipping, thus ensuring their durability and longevity. Additionally, the increased strength of special steel empowers cutting tools to handle higher cutting speeds and feed rates, ultimately enhancing productivity and reducing machining time. Special steel also boasts excellent heat resistance properties, which are crucial for cutting tools subjected to elevated temperatures during machining processes. This heat resistance prevents the cutting edges from softening or deforming, circumstances that could lead to subpar cutting performance and reduced tool lifespan. Additionally, special steels can possess improved corrosion resistance, effectively shielding the tools from rust or corrosion caused by exposure to moisture or aggressive cutting fluids. In conclusion, the distinctive properties of special steel, including heightened hardness, wear resistance, toughness, strength, heat resistance, and corrosion resistance, all work together to enhance the performance of cutting tools. These characteristics enable cutting tools to maintain their sharpness, withstand high forces and temperatures, resist wear and corrosion, and ultimately improve cutting efficiency, accuracy, and tool lifespan.

Q: How does special steel contribute to reducing weight in applications?: Special steel can contribute to reducing weight in applications in several ways. Firstly, special steel alloys can be designed to have high strength-to-weight ratios, meaning that they can provide the same level of strength and performance as other materials, such as traditional steel or aluminum, but with less weight. By using special steel in place of heavier materials, manufacturers can reduce the overall weight of the application without compromising its structural integrity. Additionally, special steel can be manufactured with improved fatigue resistance and durability properties, which allows for the use of thinner and lighter sections without sacrificing strength. This is particularly important in industries where weight reduction is critical, such as automotive and aerospace, as it enables the production of lighter vehicles or aircraft, resulting in improved fuel efficiency and reduced emissions. Furthermore, special steel can also contribute to weight reduction through its versatility in manufacturing processes. It can be easily formed, shaped, and welded, allowing for the creation of complex and lightweight structures. This flexibility in fabrication methods allows engineers to optimize the design and maximize weight savings by using special steel in innovative ways. In summary, special steel contributes to reducing weight in applications by offering high strength-to-weight ratios, improved fatigue resistance, and durability, as well as providing flexibility in manufacturing processes. These qualities make special steel an ideal choice for industries seeking weight reduction, ultimately leading to enhanced performance, efficiency, and sustainability.

Q: What are the effects of different heat treatment processes on special steel?: Different heat treatment processes have varying effects on special steel. Annealing, for example, helps to soften the steel and increase its ductility, making it easier to shape and work with. Hardening processes, such as quenching and tempering, increase the steel's hardness and strength, making it suitable for applications that require toughness and resistance to wear. Tempering, on the other hand, reduces the hardness of the steel while increasing its toughness. Additionally, heat treatment processes can also influence the steel's internal structure, such as the size and distribution of grains, which in turn affects its mechanical properties. Overall, the choice of heat treatment process can significantly impact the final characteristics of special steel, allowing for customization to meet specific performance requirements.

Q: How does special steel contribute to the aerospace safety?: Special steel contributes to aerospace safety in several ways. Firstly, special steel alloys such as titanium and stainless steel are used in the construction of critical components like landing gear, engine parts, and structural elements. These alloys offer high strength-to-weight ratios, corrosion resistance, and excellent heat resistance, ensuring the durability and reliability of aerospace structures. Moreover, special steel plays a crucial role in manufacturing precision instruments and tools used in aerospace maintenance and repair. These tools are essential for maintaining the safety and functionality of aircraft, ensuring accurate measurements, and facilitating effective repairs. Furthermore, special steel is utilized in the production of safety-critical fasteners, such as bolts and screws, which hold various aircraft components together. These fasteners need to withstand extreme forces and vibrations during flight, and special steel materials provide the necessary strength and durability to ensure their reliability. Overall, the use of special steel in aerospace applications enhances the safety of aircraft by providing robust and reliable materials for construction, maintenance, and repair, ultimately contributing to the overall integrity and performance of aerospace systems.

Q: How does special steel contribute to the manufacturing of industrial machinery?: Special steel plays a crucial role in the manufacturing of industrial machinery by providing superior strength, durability, and resistance to extreme conditions. It allows for the construction of components that can withstand heavy loads, high temperatures, and corrosive environments, ensuring the reliability and longevity of the machinery. Additionally, special steel's unique properties enable the production of precise and intricate parts, enhancing the overall performance and efficiency of industrial machinery.

Q: How is special steel used in the medical supply chain?: Special steel is used in various ways within the medical supply chain. It is commonly utilized in the production of surgical instruments, implants, and medical devices due to its exceptional properties such as strength, durability, and corrosion resistance. Special steel is crucial in ensuring the quality and safety of these medical supplies, as it can withstand the demanding conditions of surgical procedures and sterilization processes. Additionally, special steel is used in the manufacturing of storage and transportation equipment for medical supplies, ensuring their proper handling and preservation. Overall, special steel plays a vital role in maintaining the integrity and reliability of medical supplies throughout the entire supply chain.

Q: What are the different renewable energy grades of special steel?: The renewable energy industry commonly utilizes various grades of special steel. These grades are specifically engineered to endure the demanding conditions and needs of renewable energy applications. Stainless steel is one of the most prevalent grades of special steel employed in renewable energy. It is renowned for its ability to resist corrosion, making it an excellent choice for offshore wind turbines and solar panel frames that are exposed to moisture and saltwater. It is also utilized in geothermal power plants, where harsh temperatures and corrosive environments exist. Another grade of special steel utilized in renewable energy is high-strength low-alloy (HSLA) steel. This type of steel possesses a higher strength-to-weight ratio, rendering it suitable for lightweight structures requiring high strength, such as wind turbine towers or support structures for solar panels. Additionally, advanced high-strength steel (AHSS), commonly used in the automotive industry, can also find application in renewable energy. AHSS offers exceptional strength, durability, and impact resistance, making it ideal for components like wind turbine blades or gears. Furthermore, weathering steel is a grade of steel frequently employed in renewable energy applications exposed to outdoor elements. This type of steel develops a protective layer of rust, which prevents further corrosion and obviates the need for additional coatings. It is commonly found in solar panel support structures, transmission towers, and other outdoor equipment. Ultimately, the choice of the appropriate grade of special steel for a particular renewable energy application relies on several factors, including the type of renewable energy source, the installation environment, and the project's specific requirements.

Q: What are the requirements for special steel used in chemical processing?: The demands for special steel used in chemical processing are generally stricter compared to regular steel due to the harsh and corrosive nature of the chemicals involved. Some of the key prerequisites for special steel in chemical processing include: 1. Corrosion resistance: Special steel employed in chemical processing must possess a high resistance to corrosion caused by acids, alkalis, and other corrosive chemicals. This is accomplished by incorporating alloying elements like chromium, nickel, and molybdenum, which create a protective oxide layer on the steel's surface, preventing it from reacting with the chemicals. 2. High temperature resistance: Chemical processing frequently involves reactions at high temperatures. Consequently, special steel used in this industry must exhibit excellent heat resistance to maintain its strength and structural integrity under elevated temperatures. This is achieved by incorporating elements such as chromium, nickel, and tungsten, which aid in preserving the steel's stability at high temperatures. 3. Mechanical strength: Special steel employed in chemical processing should possess adequate mechanical strength to withstand the pressures and loads encountered in process equipment. This requirement is fulfilled by incorporating alloying elements like manganese, silicon, and carbon, which enhance the steel's strength and toughness. 4. Weldability: Weldability is a crucial requirement for special steel used in chemical processing as it allows for easy fabrication and installation of process equipment. Special steel with good weldability ensures robust and reliable joints, which are vital for the safe and efficient operation of chemical plants. 5. Resistance to stress corrosion cracking: Stress corrosion cracking is a significant concern in chemical processing environments. Therefore, special steel used in this industry should exhibit good resistance to stress corrosion cracking, which is accomplished by carefully selecting the alloying elements and controlling the material's microstructure. 6. Cleanliness: Special steel employed in chemical processing should be free from impurities and have a low content of harmful elements that could contaminate the process or react with the chemicals. This necessitates stringent quality control measures during steel production to ensure the desired cleanliness and purity. Meeting these requirements guarantees that special steel used in chemical processing can endure the aggressive chemical environment, high temperatures, and mechanical stresses encountered in the industry, resulting in safe and reliable operation of process equipment.

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