Hot Forged Alloy Steel 4140 Round Bars Special Steel

Hot Forged Alloy Steel 4140 Round Bars Special Steel

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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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Main Product

Plastic Mould Steel

DIN 1.2311,1.2738,1.2083,1.2316 etc.

AISI P20,P20+Ni,420 etc.

JIS SUS420J2

Hot Work Steel

DIN 1.2344,1.2343,1.2367,1.2365,1.2581,1.2713 etc.

AISI H13,H11,H10,H21, etc.

JIS SKD61,SKD6,SKD5,SKT4 etc.

Cold Work Steel

DIN 1.2739, 1.2601, 1.2080, 1.2436, 1.2631, 1.263, 1.2510, 1.2327 etc.

AISI D2, D5, D3, D6, A8, A2, O1 etc.

JIS SKD10, SKD11, SKD1, SKS3 etc.

High Speed Steel

DIN 1.3343, 1.3243, 1.3247, 1.3355 etc.

AISI M2, M35, M42, T1 etc.

JIS SKH51, SKH35, SKH59, SKH2 etc.

Alloy Structural Steel

DIN 1.7035,1.6511,1.7220,1.7225 etc.

AISI 5140, 4340, 4135, 4140 etc.

JIS SCr440,SNCM439,SCM435,SCM440 etc.

Stainless & Carbon Steel or Others

DIN 1.4125,1.1191 etc

AISI 440C,1045, 1020 etc.

JIS SUS440C,S45C etc

Carbon Steel Round Bar	SS400, S235JR,Q235, ASTM A36, Fe360A, Fe360B,SM400A,080A15, SS41,E235B
	SAE 1020, AISI 1020, ASTM 1020, S20C, 20#, 050A20
	SAE 1045, AISI 1045, ASTM 1045, S45C, 45#,EN8, XC45, XC48, 45B, C45, CK45, CM45, 060A47, R683/IC45e
Alloy Steel Round Bar	40Cr, DIN 1.7035, SAE 5140, AISI 5140, ASTM 5140, SCr440, 41Cr4, 530A40, 42Cr4, 40X, R683/VII3
	SAE4140,42CrMo, 42CrMo4, DIN 1.7225, SCM440,EN19, 42CD4, 708M40, R683/II3
	SAE 4340, 40CrNiMoA, EN24, SNCM439, 817M40,40XMA, R683/III4
	SAE 8620,,AISI 8620, ASTM 8620, 20CrNiMo,SNCM220, 805M20
	SAE52100, AISI52100,ASTM E52100, GCr15, SUJ2, 100C6, 100Cr6, 1.3505, 534A99, IIIX15

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Hot Forged Alloy Steel 4140 Round Bars Special Steel

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 different surface finishes available for special steel?: There are several different surface finishes available for special steel, such as polished, brushed, satin, mirror, etched, blasted, and coated finishes. These finishes are used to enhance the appearance, durability, and corrosion resistance of the steel, depending on the specific application and desired outcome.

Q: What are the different classifications of special steel?: There are several classifications of special steel, including stainless steel, tool steel, high-speed steel, alloy steel, and carbon steel.

Q: What are the properties of shock-resistant alloy steel?: Shock-resistant alloy steel is a type of steel that possesses specific properties that make it highly resistant to shock and impact. These properties include high tensile strength, toughness, and hardness. It is also known for its ability to withstand sudden changes in temperature, making it suitable for applications in extreme environments. Additionally, shock-resistant alloy steel has excellent fatigue resistance, corrosion resistance, and wear resistance, making it ideal for use in industries such as aerospace, automotive, and defense.

Q: What are the main applications of special steel in the chemical processing industry?: Special steel has various applications in the chemical processing industry, primarily due to its excellent corrosion resistance, high temperature resistance, and strength. It is commonly used in the construction of chemical storage tanks, pipes, and reactors, where it helps to prevent leaks and maintain the integrity of the process. Additionally, special steel is utilized in the manufacturing of valves, pumps, and heat exchangers, ensuring reliable and efficient operations in chemical plants.

Q: What are the challenges in machining high-speed special steel?: Machining high-speed special steel poses several challenges, primarily due to its hardness and heat resistance. The high hardness of the steel makes it difficult to cut and shape, requiring specialized tools and techniques. Additionally, the steel's heat resistance can cause excessive heat generation during the machining process, leading to tool wear and reduced cutting performance. To overcome these challenges, manufacturers need to use high-quality cutting tools, employ effective cooling methods, and carefully optimize machining parameters to ensure precise and efficient machining of high-speed special steel.

Q: How does molybdenum improve the performance of special steel?: Molybdenum plays a crucial role in enhancing the performance of special steel due to its unique properties and characteristics. First and foremost, molybdenum significantly improves the strength and toughness of steel, making it more durable and resistant to deformation. This is achieved by forming a solid solution with iron, which results in a fine-grained microstructure and reduces the formation of brittle phases in the steel. Moreover, molybdenum increases the hardenability of steel, allowing it to be heat-treated to obtain desired mechanical properties. This is particularly important in the production of special steel, where high strength, wear resistance, and thermal stability are often required. By enabling effective heat treatment, molybdenum ensures that the steel can be processed to meet specific performance requirements, such as hardness, toughness, and dimensional stability. Additionally, molybdenum enhances the corrosion resistance of special steel, making it suitable for various challenging environments. It forms a protective oxide layer on the surface of the steel, which acts as a barrier against corrosive substances like acids, alkalis, and salts. This resistance to corrosion is crucial in applications where the steel is exposed to harsh conditions, such as marine environments, chemical processing plants, and oil and gas industries. Furthermore, molybdenum improves the high-temperature strength and creep resistance of special steel. It enables the steel to maintain its mechanical properties even at elevated temperatures, making it suitable for applications where the steel is subject to prolonged exposure to heat or mechanical stress. In summary, molybdenum plays a vital role in enhancing the performance of special steel by improving its strength, toughness, hardenability, corrosion resistance, and high-temperature properties. These attributes make molybdenum an essential alloying element in the production of special steel for various industries, including automotive, aerospace, energy, and tool manufacturing.

Q: What are the applications of special steel in the renewable energy sector?: Special steel plays a crucial role in the renewable energy sector by enabling the development and advancement of various technologies. One of the key applications of special steel in this sector is in the manufacturing of wind turbines. Wind turbine components such as towers, generator frames, rotor hubs, and bearings require high-strength, corrosion-resistant steel to withstand the harsh operating conditions, including strong winds and exposure to moisture. Special steel provides the necessary properties to ensure the longevity and reliability of wind turbines, thus contributing to the growth of wind energy. Moreover, special steel is extensively used in the construction of solar power plants. Solar panel frames, mounting structures, and support systems require steel with excellent structural integrity, durability, and resistance to environmental degradation. Special steel provides these qualities, ensuring the stability and performance of solar installations. In addition, special steel finds applications in the production of components for hydroelectric power plants. The construction of turbines, penstocks, and other hydraulic equipment demands steel with high tensile strength and resistance to corrosion caused by water and sediments. Special steel alloys possess these characteristics, making them ideal for hydroelectric power generation. Furthermore, special steel is utilized in the manufacturing of energy storage systems, such as batteries and fuel cells. These systems often require steel with exceptional conductivity, corrosion resistance, and mechanical strength to ensure efficient and reliable energy storage. Special steel alloys can meet these requirements, making them suitable for use in renewable energy storage technologies. In summary, special steel plays a vital role in the renewable energy sector by offering the necessary properties for the manufacturing of wind turbines, solar power plants, hydroelectric power plants, and energy storage systems. Its high-strength, corrosion-resistant, and durable characteristics enable the development of efficient and reliable renewable energy technologies, contributing to the sustainable energy transition.

Q: How does special steel contribute to the manufacturing of cutting blades?: Special steel is crucial in the manufacturing of cutting blades as it offers exceptional hardness, durability, and resistance to wear and corrosion. These properties allow cutting blades to maintain sharpness for longer periods of time, resulting in more efficient and precise cutting operations. Additionally, special steel can be tailored to specific requirements, enabling the production of cutting blades suitable for different applications, such as those used in industries like automotive, aerospace, or construction.

Q: Can special steel be used in the solar panel manufacturing industry?: Yes, special steel can be used in the solar panel manufacturing industry. Special steel alloys, such as stainless steel or high-strength low-alloy steel, offer excellent corrosion resistance, durability, and structural support for solar panels. These properties make them suitable for various components like mounting structures, frames, and support brackets in solar panel systems. Additionally, special steel can also enhance the overall efficiency and longevity of solar panels by ensuring their stability and resistance to environmental factors.

Q: How does special steel perform in heat treatment applications?: Special steel is specifically designed to perform well in heat treatment applications. Unlike regular steel, special steel has been alloyed with specific elements to enhance its heat resistance and improve its mechanical properties. When subjected to heat treatment processes such as annealing, quenching, tempering, or hardening, special steel undergoes structural changes that result in improved strength, hardness, toughness, and wear resistance. The performance of special steel in heat treatment applications can be attributed to its unique alloying elements, such as chromium, molybdenum, nickel, and vanadium. These elements form various carbides, nitrides, or intermetallic compounds during heat treatment, which contribute to the overall improvement in the steel's properties. For example, chromium forms chromium carbides that increase hardness and corrosion resistance, while molybdenum and vanadium promote hardenability and wear resistance. Moreover, special steel exhibits excellent dimensional stability during heat treatment. It has a low tendency to warp or distort, ensuring that the final product maintains its desired shape and dimensions. This dimensional stability is particularly crucial for applications that require tight tolerances or intricate designs. Additionally, special steel offers consistent and reliable heat treatment results. Its composition and microstructure are carefully controlled, ensuring that it responds predictably to heat treatment processes. This allows manufacturers to achieve the desired mechanical properties consistently, reducing the risk of inconsistencies or failures in the final product. In summary, special steel performs exceptionally well in heat treatment applications. Its unique alloying elements, dimensional stability, and consistent heat treatment response make it an ideal choice for applications that require improved strength, hardness, toughness, and wear resistance. Whether it is for automotive components, tooling, or industrial machinery, special steel delivers reliable and enhanced performance after undergoing heat treatment processes.

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