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

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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: What are the properties of ultra-high-strength alloy steel?: Ultra-high-strength alloy steel possesses exceptional strength, hardness, and toughness, making it ideal for demanding applications. Due to its high carbon content and alloying elements such as chromium, nickel, and molybdenum, it exhibits outstanding resistance to wear, corrosion, and heat. Additionally, its superior mechanical properties enable it to withstand heavy loads, impacts, and extreme environments, making it a preferred choice in industries like aerospace, automotive, and construction.

Q: How does special steel perform in terms of corrosion resistance?: Special steel, also known as stainless steel, performs exceptionally well in terms of corrosion resistance. Due to its high chromium content, it forms a passive layer on its surface that protects it from rusting and corrosion in various environments. This makes special steel suitable for a wide range of applications, including in marine, chemical, and food processing industries, where resistance to corrosion is crucial.

Q: How does special steel behave under different types of loading conditions?: Special steel, also known as alloy steel, exhibits unique behavior under different types of loading conditions. It is specifically designed to possess exceptional mechanical properties, making it suitable for a wide range of applications where high strength, toughness, and resistance to wear or corrosion are required. Under tension loading, special steel demonstrates excellent tensile strength and ductility, enabling it to withstand pulling forces without easily fracturing. This property makes it ideal for applications where components are subjected to pulling or stretching forces, such as cables, structural elements, or automotive parts. When subjected to compressive loading, special steel showcases its exceptional compressive strength, allowing it to withstand forces that tend to squeeze or press it together. This makes it suitable for applications like hydraulic cylinders, crankshafts, or flanges, where resistance to compression is crucial. In terms of bending or flexural loading, special steel exhibits remarkable flexibility without losing its strength, enabling it to withstand repeated bending without deformation or failure. This property is particularly useful in applications involving springs, suspension systems, or beams subjected to dynamic loads. Special steel also demonstrates excellent fatigue resistance, which means it can withstand cyclic loading or repeated stress without failure. This property is crucial in applications subjected to continuous or repetitive loading, such as turbine blades, gears, or axles. Moreover, special steel can effectively handle impact loading, as it possesses high toughness and impact resistance. This makes it suitable for applications where sudden shocks or impacts are expected, such as hammer heads, drill bits, or armor plating. In terms of temperature loading, special steel retains its mechanical properties even at high temperatures due to its excellent heat resistance. This property makes it suitable for applications exposed to extreme heat or thermal cycling, such as turbine components, exhaust systems, or molds used in metal casting. In summary, special steel behaves differently under various loading conditions, adapting its mechanical properties to meet the specific requirements of each application. Its unique combination of strength, toughness, ductility, and resistance to wear or corrosion make it a versatile material capable of withstanding different types of loading conditions.

Q: How does special steel contribute to the aerospace defense industry?: Special steel plays a vital role in the aerospace defense industry as it offers the essential strength, durability, and resistance to extreme conditions needed for various applications in aircraft and defense systems. One of the primary contributions of special steel in this industry lies in its capacity to endure high temperatures and pressures. For instance, special steel alloys are utilized to manufacture turbine blades and other components in aircraft engines that are constantly exposed to exceedingly hot gases. These alloys possess excellent heat resistance properties, enabling them to maintain their strength and structural integrity even under such demanding circumstances. Furthermore, special steel exhibits exceptional resistance to corrosion and erosion, rendering it ideal for aerospace applications. Given that aircraft and defense systems often operate in harsh environments, including exposure to saltwater, moisture, and other corrosive elements, special steel alloys like stainless steel are employed to prevent rusting and corrosion. This ensures the longevity and dependability of critical components. Additionally, special steel is employed in the production of armor plates and ballistic protection systems for military vehicles and aircraft. Its high tensile strength and impact resistance make it an indispensable material for these applications, providing enhanced protection for military personnel and assets. Moreover, special steel finds application in the manufacturing of landing gears, wing components, and airframe structures. These components must withstand tremendous forces and stresses during takeoff, landing, and flight, making the strength and durability of special steel vital for the safety and performance of aerospace systems. In conclusion, special steel plays a crucial role in the aerospace defense industry by supplying the necessary strength, durability, and resistance to extreme conditions required for various applications. Its ability to endure high temperatures and pressures, resist corrosion and erosion, as well as its high tensile strength, make it an essential material in the manufacturing of aircraft engines, armor plates, ballistic protection systems, and other critical components.

Q: How does special steel perform in high-temperature creep?: Special steel has been specifically engineered to excel in conditions of high-temperature creep. Creep refers to the material's inclination to deform over time under consistent stress at elevated temperatures. Due to its unique composition and heat treatment procedures, special steel demonstrates exceptional resistance to creep. The alloying elements, including chromium, nickel, and molybdenum, significantly enhance its strength at high temperatures and its ability to resist creep. These elements create stable carbides and enhance the material's capacity to maintain its structural integrity even when exposed to elevated temperatures. Additionally, special steel often undergoes specific heat treatment methods, such as annealing or quenching and tempering, to further improve its resistance to creep. These processes refine the steel's microstructure, reduce internal stresses, and enhance its overall mechanical properties. The combination of alloying elements and heat treatment processes endows special steel with exceptional resistance to creep. It can endure prolonged exposure to high temperatures without significant deformation or failure. This makes special steel an ideal choice for applications involving high-temperature and high-stress conditions, such as gas turbines, petrochemical plants, and power generation facilities. In conclusion, the performance of special steel in situations of high-temperature creep is exceptional, and it is widely acknowledged as a dependable and durable material for applications requiring resistance to thermal deformation and long-term stability under constant stress.

Q: What are the requirements for special steel used in corrosive environments?: To ensure durability and performance in corrosive environments, special steels must possess specific properties. The requirements for these steels can be summarized as follows: 1. Excellent corrosion resistance is the primary requirement. The steels should be able to withstand aggressive substances like acids, alkalis, and salts without showing signs of corrosion. This ensures the longevity of the steel and maintains its performance. 2. High strength is crucial for handling mechanical stresses imposed on the steel in corrosive environments. It is particularly important for applications with heavy loads, pressures, or impacts, as it helps maintain the steel's integrity and structural stability. 3. Resistance to pitting and crevice corrosion is essential. These localized forms of corrosion can occur in the presence of certain aggressive chemicals or stagnant environments. Steels should be resistant to such forms of corrosion to prevent localized damage and potential failure. 4. Resistance to stress corrosion cracking is necessary. This phenomenon occurs when a corrosive environment compromises the material's integrity under tensile stress. Special steels should be resistant to stress corrosion cracking to ensure reliability under applied loads. 5. Good resistance to intergranular corrosion is important. This type of corrosion along grain boundaries weakens the material. Special steels used in corrosive environments should have resistance to intergranular corrosion to maintain structural integrity. 6. Thermal stability is essential for high-temperature corrosive environments. Special steels should exhibit thermal stability to resist degradation and maintain their properties in elevated temperatures. 7. Ease of maintenance is a desirable characteristic. Special steels used in corrosive environments should be relatively easy to clean, resistant to fouling or scaling, and compatible with commonly used cleaning agents or procedures in the industry. It is important to note that the specific requirements for special steels in corrosive environments may vary depending on the application and type of corrosive substances encountered. Therefore, careful consideration of specific needs and consultation with experts in the field is crucial for selecting the most appropriate steel for each corrosive environment.

Q: How is nitriding steel used in surface hardening processes?: Nitriding steel is used in surface hardening processes by introducing nitrogen into the surface layer of the steel through a controlled heat treatment. This process enhances the hardness, wear resistance, and fatigue strength of the steel, making it more durable and suitable for applications that require high surface hardness and improved performance.

Q: How does special steel contribute to the automotive racing machinery industry?: Special steel plays a crucial role in the automotive racing machinery industry by providing high-performance materials that enhance the performance, durability, and safety of racing vehicles. One of the primary contributions of special steel to the industry is its ability to improve the power and speed of racing cars. Special steel alloys, such as carbon fiber-reinforced steel or high-strength steel, offer superior strength-to-weight ratios, allowing manufacturers to reduce the weight of the vehicle while maintaining structural integrity. This reduction in weight enhances the acceleration and maneuverability of the racing car, resulting in increased speed and improved lap times on the track. In addition to improved performance, special steel also contributes to the safety of racing vehicles. The high strength and impact resistance properties of certain steel alloys make them ideal for constructing roll cages, chassis, and other critical safety components. These materials can withstand extreme forces during crashes or collisions, providing enhanced protection for the driver and minimizing the risk of severe injuries. Special steel also contributes to the longevity and durability of automotive racing machinery. The harsh conditions of racing, such as high temperatures, vibrations, and mechanical stress, can cause regular steel to deform or deteriorate quickly. However, special steel alloys are specifically engineered to withstand these demanding environments, ensuring that racing cars can endure the rigorous demands of the sport without compromising performance or safety. Furthermore, special steel alloys offer excellent thermal conductivity and heat resistance properties, which are essential for racing vehicles that generate immense heat during high-speed runs. By efficiently dissipating heat, special steel helps prevent overheating and ensures optimal engine performance, reducing the risk of mechanical failures and maximizing the lifespan of the racing machinery. In summary, special steel contributes significantly to the automotive racing machinery industry by enhancing the performance, durability, and safety of racing vehicles. The use of high-performance steel alloys helps increase speed, improve lap times, and reduce the weight of the vehicles. It also provides superior strength and impact resistance, enhancing safety during crashes or collisions. Moreover, special steel alloys offer excellent heat resistance and thermal conductivity, ensuring optimal engine performance and prolonging the lifespan of the racing machinery.

Q: How does mold steel resist wear and erosion?: Mold steel resists wear and erosion due to its high hardness and toughness properties. It is specifically designed to withstand the abrasive forces and friction that occur during molding processes. Additionally, mold steel is often heat-treated to further enhance its resistance against wear and erosion, making it a durable and long-lasting material for mold manufacturing.

Q: What industries commonly use special steel?: Special steel, known as alloy steel as well, finds extensive use in diverse industries owing to its exceptional properties and performance characteristics. Several industries frequently employ special steel, including: 1. Automotive Industry: Special steel is extensively utilized in manufacturing automobile components such as crankshafts, camshafts, gears, and axles. Its exceptional strength, durability, and excellent heat resistance make it suitable for enduring the demanding conditions of the automotive sector. 2. Aerospace Industry: The aerospace industry relies on special steel to manufacture critical components like turbine blades, landing gear, and structural parts. Its ability to withstand high temperatures and maintain structural integrity under extreme conditions is vital for aerospace applications. 3. Oil and Gas Industry: In the oil and gas sector, special steel is crucial for applications like drill bits, valves, pipelines, and offshore platform components. Its corrosion resistance, high strength, and ability to withstand extreme temperatures and pressures make it suitable for these challenging environments. 4. Construction Industry: Special steel serves the construction industry in fabricating structural components, reinforcement bars, and high-rise building frameworks. Its high tensile strength, toughness, and resistance to wear and tear ensure the safety and stability of the structures. 5. Tool and Die Industry: The tool and die sector widely employs special steel in manufacturing cutting tools, molds, dies, and various machine components. Its capability to retain sharpness, resist deformation, and withstand high pressures and temperatures make it indispensable for these applications. 6. Energy Industry: Power generation plants, including nuclear, thermal, and renewable energy facilities, extensively utilize special steel. It is employed in manufacturing turbines, boilers, heat exchangers, and other critical components, thanks to its high temperature and corrosion resistance properties. 7. Medical Industry: In the medical field, special steel plays a crucial role, particularly in surgical instruments and implants. Its biocompatibility, strength, and corrosion resistance make it suitable for applications like joint replacements, dental instruments, and surgical cutting tools. 8. Manufacturing Industry: Various manufacturing processes like machining, forging, and casting widely rely on special steel. It is employed in the production of machine tools, industrial equipment, and heavy machinery components due to its high strength, toughness, and versatility. These examples represent just a fraction of the industries that commonly employ special steel. Its unique properties make it an indispensable material for a wide range of applications where strength, durability, heat resistance, and corrosion resistance are critical factors.

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