Special Steel Alloy Steel Round Bar 41Cr4

Special Steel Alloy Steel Round Bar 41Cr4 System 1

Special Steel Alloy Steel Round Bar 41Cr4

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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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Product Information

1 Grade Comparison:

GB	AISI	JIS	DIN
40Cr	AISI/SAE5140	SCr440	41Cr4

2 Chemical Composition:

C	Si	Mn	P	S	Cr	Ni	Cu
0.38-0.43	0.15-0.35	0.60-0.90	≤0.03	≤0.03	0.3-0.16	≤0.25	≤0.03

3 Brief Introduction:

Dimension	13-350mm
Length	2-13m or as per your request
Delivery condition	Hot rolled
Heat Treatment	Normalizing, Annealing, Quenching
Packing	Standard seaworthy packing or according to your requirements

4 Mechanical Property:

Yield Strength (MPa)	≥785
Tensile Strength (MPa)	≥980
Elongation (%)	≥9
Hardness (HB)	≤207
Reduction in Area (%)	≥45
AKV (J)	≥47

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Special Steel Alloy Steel Round Bar 41Cr4

Workshop Show

Special Steel Alloy Steel Round Bar 41Cr4

Shipping

1. FedEx/DHL/UPS/TNT for samples, Door-to-Door;

2. By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;

3. Customers specifying freight forwarders or negotiable shipping methods!

Delivery Time: 3-7 days for samples; 5-25 days for batch goods.

Payment Terms

1.Payment: T/T, L/C, Western Union, MoneyGram,PayPal; 30% deposits; 70% balance before delivery.

2.MOQ: 1pcs

3.Warranty : 3 years

4.Package Informations: 1) EXPORT, In 20 feet (GW 25 ton) or 40 feet Container (GW 25 ton)

2)as customer's requirement

Why choose us?

(1) The leading exporter in China special steel industry.

(2) Large stocks for various sizes, fast delivery date.

(3) Good business relationship with China famous factories.

(4) More than 7 years steel exporting experience.

(5) Good after-sales service guarantee.

Q: How does special steel contribute to the automotive suspension spring industry?: Special steel plays a crucial role in the automotive suspension spring industry by providing enhanced performance and durability to the springs used in vehicles. Suspension springs are responsible for supporting the weight of the vehicle and absorbing road shocks, ensuring a comfortable and smooth ride for passengers. Special steel, also known as alloy steel, is specifically designed to possess exceptional mechanical properties, such as high strength, toughness, and resistance to wear and fatigue. These properties are essential for suspension springs, as they need to withstand the constant stresses and strains experienced during vehicle operation. The use of special steel in automotive suspension springs allows for the production of springs that are lighter in weight, yet stronger and more reliable compared to traditional steel springs. This results in improved fuel efficiency and reduced vehicle weight, contributing to lower emissions and a more sustainable automotive industry. Furthermore, special steel enables suspension springs to maintain their shape and performance over an extended period, even under extreme conditions. This ensures that the vehicle's suspension system remains effective, providing a comfortable and stable driving experience. In addition, special steel can be tailored to meet specific requirements of different vehicles, allowing for the customization of suspension springs based on factors such as vehicle weight, load capacity, and desired ride quality. This flexibility in material properties enhances the overall performance and safety of the suspension system. Overall, special steel plays a vital role in the automotive suspension spring industry by providing the necessary strength, durability, and performance characteristics required for a reliable and efficient suspension system. Its use contributes to the development of lighter, more fuel-efficient vehicles, while ensuring passenger comfort and safety.

Q: What are the different methods for improving the tensile strength of special steel?: There exists several approaches to enhance the tensile strength of special steel. 1. Alloying: Incorporating alloying elements like chromium, nickel, molybdenum, or vanadium into the steel is a widely used technique. These elements create solid solutions within the iron matrix, augmenting the steel's strength, hardness, corrosion resistance, and wear resistance. 2. Heat treatment: Employing heat treatment is another effective means to increase the tensile strength of special steel. Processes such as quenching, tempering, and annealing are commonly employed. Quenching involves rapidly cooling the steel from a high temperature, resulting in a hardened microstructure. Subsequently, tempering reduces brittleness and enhances the steel's toughness. Conversely, annealing necessitates heating the steel to a specific temperature followed by a slow cooling process, leading to the refinement of the grain structure and improved strength. 3. Cold working: Also referred to as cold rolling or cold drawing, cold working involves subjecting the steel to plastic deformation at low temperatures. This procedure elevates the dislocation density in the steel, resulting in strain hardening and improved strength. Cold working significantly enhances the tensile strength of special steel. 4. Grain refinement: Improving the grain structure of the steel can also enhance its tensile strength. This can be achieved through processes like recrystallization annealing, where the steel is heated to a specific temperature and gradually cooled to promote the formation of smaller and more uniform grains. Smaller grain size contributes to increased strength and improved mechanical properties. 5. Shot peening: Shot peening entails bombarding the steel's surface with tiny metallic or ceramic particles. This technique induces compressive stresses in the surface layer of the steel, inhibiting crack initiation and propagation. Ultimately, shot peening improves the steel's tensile strength and fatigue resistance. It is crucial to consider that the selection of the method to enhance tensile strength depends on the specific application and requirements of the special steel. Various combinations of these methods can be employed to achieve the desired mechanical properties.

Q: Can special steel be used in the electronics manufacturing industry?: Yes, special steel can be used in the electronics manufacturing industry. Special steel alloys, such as stainless steel or high-strength low-alloy (HSLA) steel, offer excellent properties like corrosion resistance, electrical conductivity, and magnetic shielding, making them suitable for various electronic components like connectors, sensors, circuit boards, and casings. These specialized steel materials ensure durability, protection, and reliable performance in demanding electronic applications.

Q: What are the safety measures taken during the production of special steel?: To ensure the safety and wellbeing of workers and reduce potential hazards, various safety measures are taken during the production of special steel. These measures encompass the following: 1. Personal Protective Equipment (PPE): All workers involved in special steel production must wear appropriate PPE, including safety helmets, goggles, gloves, and protective clothing. This safeguards them from injuries, burns, and exposure to hazardous substances. 2. Training and Education: Workers undergo comprehensive training and education on safe work practices and procedures. They gain knowledge about the potential hazards associated with special steel production and receive training on the proper handling of equipment and materials. 3. Risk Assessments: Regular risk assessments are conducted to identify potential hazards and evaluate the level of risk associated with each task. This facilitates the implementation of control measures to mitigate risks and prevent accidents. 4. Machinery and Equipment Safety: All machinery and equipment used in the production process are meticulously maintained and regularly inspected to ensure optimal working conditions. Safety features, such as emergency stop buttons and guards, are installed to prevent accidents and injuries. 5. Ventilation and Exhaust Systems: Given the high temperatures and use of chemicals in special steel production, ventilation and exhaust systems are installed to eliminate harmful fumes and gases from the work environment. This ensures a safe and healthy atmosphere for workers. 6. Fire Prevention: To minimize the risk of fire accidents, fire prevention measures are implemented, including the installation of fire alarms, extinguishers, and sprinkler systems. Workers are also trained on fire safety protocols and evacuation procedures. 7. Emergency Response Plans: Comprehensive emergency response plans are developed and communicated to all workers. These plans outline the steps to be taken in the event of accidents, fires, or other emergencies, ensuring a swift and organized response. 8. Regular Safety Inspections: Safety professionals conduct regular inspections to identify any potential safety hazards or non-compliance with safety protocols. Any issues or deficiencies are promptly addressed to maintain a safe working environment. By implementing these safety measures, special steel production can be carried out in a controlled and safe manner, safeguarding workers and minimizing the risk of accidents or injuries.

Q: What are the applications of special steel in the nuclear industry?: Special steel has various applications in the nuclear industry due to its unique properties. It is commonly used in the construction of nuclear reactors, fuel assemblies, and containment vessels. Special steel's high strength, corrosion resistance, and ability to withstand high temperatures make it ideal for these applications, ensuring the safety and efficiency of nuclear power plants.

Q: How does special steel contribute to improving product performance in corrosive environments?: Special steel contributes to improving product performance in corrosive environments due to its unique properties and composition. Special steel is specifically designed to resist corrosion and maintain its structural integrity even when exposed to harsh conditions. It contains elements like chromium, nickel, and molybdenum that form a protective layer on the surface, preventing the metal from reacting with corrosive substances. This enhanced corrosion resistance ensures that products made from special steel have a longer lifespan, reduced maintenance requirements, and improved performance in corrosive environments.

Q: What are the different methods of surface laser cladding for special steel?: There are several different methods of surface laser cladding that can be used for special steel. One common method is powder-based laser cladding. In this process, a powder material is injected into the laser beam, which melts and fuses with the surface of the special steel. The powder material can be chosen to provide specific properties such as enhanced hardness or corrosion resistance. This method allows for precise control over the thickness and composition of the cladding layer. Another method is wire-based laser cladding. In this process, a wire material is fed into the laser beam, which melts and fuses with the special steel surface. Wire-based laser cladding is often used for larger areas or when a thicker cladding layer is required. It is also commonly used for repairing or salvaging worn or damaged parts. A third method is direct energy deposition (DED) laser cladding. This method involves using a laser beam to melt a powder or wire material as it is being deposited onto the special steel surface. DED laser cladding allows for rapid build-up of multiple layers and is often used for additive manufacturing or repairing high-value components. Each method of surface laser cladding has its own advantages and limitations, and the choice of method depends on factors such as the desired cladding thickness, material properties, and the specific requirements of the application.

Q: What are the different corrosion-resistant special steel alloys?: Various industries commonly utilize several corrosion-resistant special steel alloys. Among the most popular are stainless steel, duplex stainless steel, super duplex stainless steel, and nickel-based alloys. Stainless steel, which contains a minimum of 10.5% chromium, is a widely used corrosion-resistant alloy. It forms a protective layer of chromium oxide on its surface, effectively preventing further corrosion. This alloy exhibits high resistance to rust, staining, and pitting, making it suitable for applications in the food processing, chemical, and marine industries. Duplex stainless steel, a combination of austenitic and ferritic stainless steels, offers excellent corrosion resistance, particularly in environments with high chloride ion concentrations. It finds common use in the oil and gas, chemical, and desalination industries. Super duplex stainless steel, being a stronger variation of duplex stainless steel, provides enhanced corrosion resistance and mechanical properties. This makes it ideal for applications in harsh environments like offshore oil and gas platforms, chemical processing plants, and seawater desalination systems. Nickel-based alloys, including Inconel and Hastelloy, are renowned for their exceptional resistance to corrosion and high-temperature environments. These alloys find widespread use in industries such as aerospace, chemical processing, and power generation, where both corrosion and heat resistance are critical. These corrosion-resistant special steel alloys offer a range of options for industries seeking materials with superior durability and resistance to corrosive environments. The choice of alloy depends on the specific application, operating conditions, and desired performance characteristics.

Q: What are the requirements for special steel used in chemical processing?: The requirements for special steel used in chemical processing are generally more stringent compared to regular steel due to the harsh and corrosive nature of the chemicals involved. Some of the key requirements for special steel in chemical processing include: 1. Corrosion resistance: Special steel used in chemical processing must exhibit high resistance to corrosion from acids, alkalis, and other corrosive chemicals. This is achieved by adding alloying elements such as chromium, nickel, and molybdenum, which form a protective oxide layer on the surface of the steel, preventing it from reacting with the chemicals. 2. High temperature resistance: Chemical processing often involves high-temperature reactions. Therefore, special steel used in this industry must have excellent heat resistance to maintain its strength and structural integrity at elevated temperatures. This is achieved by adding elements like chromium, nickel, and tungsten, which help in maintaining the stability of the steel at high temperatures. 3. Mechanical strength: Special steel used in chemical processing should possess sufficient mechanical strength to withstand the pressures and loads encountered in the process equipment. This requirement is met by adding alloying elements such as 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 strong and reliable joints, which are essential 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 have good resistance to stress corrosion cracking, which is achieved by carefully selecting the alloying elements and controlling the material's microstructure. 6. Cleanliness: Special steel used 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 strict quality control measures during steel production to ensure the desired cleanliness and purity. Meeting these requirements ensures that special steel used in chemical processing can withstand the aggressive chemical environment, high temperatures, and mechanical stresses encountered in the industry, leading to safe and reliable operation of the process equipment.

Q: What are the main applications of special steel in the textile industry?: Special steel is commonly used in the textile industry for various applications. One of the main applications is in the production of textile machinery, such as looms, spinning frames, and knitting machines. The use of special steel ensures high strength, durability, and precision in these machines, leading to increased productivity and efficiency in textile manufacturing. Additionally, special steel is utilized in the production of textile cutting tools, such as blades and needles, which require excellent hardness and wear resistance. These tools enable precise and efficient cutting of fabrics, contributing to the overall quality of textile products. In summary, special steel plays a crucial role in the textile industry by providing strong and durable machinery and high-performance cutting tools.

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