Special Steel 1.6511 Alloy Structural Steel / 4340 Tool Steel

Special Steel 1.6511 Alloy Structural Steel / 4340 Tool Steel

Ref Price:: $300.00 - 500.00 / m.t.

Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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The details of our Steel

1. Produce Standard: as the GB, AISI, ASTM, SAE, EN, BS, DIN, JIS Industry Standard

2. Produce processes: Smelt Iron -EAF smelt Billet - ESR smelt Billet -Hot rolled or forged get the steel round bar and plate

3. Heat treatment:

Normalized / Annealed / Quenched+Tempered

4. Quality assurance:

All order we can received Third party inspection, You can let SGS, BV,.. and others test company test and inspect our products before Goods shipping.

Product information

Chemical Composition(%) of 4340 tool steel	C	Si	Mn	S	P	Cr	Mo
	0.38-0.43	≤0.40	0.60-0.80	≤0.040	≤0.035	0.90-1.20	0.15-0.30
Available Size of 4340 tool steel	Diameter(mm)		Length(mm)
	10-300		2000-6000
Characteristics of 4340 tool steel	1.high hardness 2.high tensile
Application of 4340 tool steel	extrusion dies and die-casting for alumium, mandgnesium allay mostly, for copper alloy could use mechaincal press forhing of steel
Heat Treatment of 4340 tool steel	1. Forging:Heat slowly and uniformly to 1000°C. After forging cool slowly. 2. Annealing: 780-800°C slowly cooling

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

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Special Steel 1.6511 Alloy Structural Steel / 4340 Tool 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: How is high-temperature tool steel used in the production of hot work tools?: High-temperature tool steel is used in the production of hot work tools due to its exceptional heat resistance and strength properties. It can withstand the high temperatures generated during hot work processes such as forging, extrusion, and die casting, without losing its hardness or experiencing deformation. This steel is used to manufacture tooling components like dies, punches, and inserts, ensuring their longevity and performance in extreme heat conditions.

Q: How is electrical resistance steel used in heating elements?: Electrical resistance steel is commonly used in heating elements due to its high resistivity and ability to withstand high temperatures. When an electric current passes through the steel, its resistance generates heat, allowing the heating element to efficiently convert electrical energy into heat energy. This makes it suitable for applications such as electric stoves, water heaters, and industrial furnaces.

Q: How does special steel contribute to the energy sector?: Special steel plays a critical role in the energy sector, contributing significantly to its efficiency, reliability, and safety. Firstly, special steel is used in the construction of pipelines and storage tanks, which are crucial components of the oil and gas industry. These pipelines need to withstand high pressures, extreme temperatures, and corrosive environments, and special steel provides the necessary strength and resistance to ensure their integrity and prevent leakage. In addition, special steel is utilized in the manufacturing of turbine blades and other components in power generation plants. These plants require materials that can withstand the high temperatures and pressures generated by the combustion of fossil fuels or the use of nuclear energy. Special steel's heat-resistant properties make it ideal for these applications, improving the overall efficiency and longevity of power plants. Furthermore, special steel is used in the production of wind turbines, which are rapidly becoming an essential source of renewable energy. The blades, tower structures, and gearboxes of wind turbines are subjected to significant stress and strain, and special steel provides the necessary strength and durability to withstand these conditions. By using special steel, wind turbines can operate reliably and efficiently, contributing to the growth of clean energy. Moreover, the energy sector relies on special steel for its infrastructure, such as transmission towers and substations. These structures need to support heavy loads and withstand extreme weather conditions while maintaining electrical conductivity. Special steel's high strength and corrosion resistance make it a suitable material for these applications, ensuring the reliable transmission and distribution of electricity. Overall, special steel plays a crucial role in the energy sector by providing the necessary strength, durability, and resistance to extreme conditions. Its use in pipelines, power generation plants, wind turbines, and infrastructure improves the efficiency, reliability, and safety of the energy sector, facilitating the production and distribution of both conventional and renewable energy sources.

Q: How does special steel perform in hydrogen embrittlement conditions?: Special steel, also known as high-strength steel or alloy steel, typically exhibits excellent resistance to hydrogen embrittlement conditions. Hydrogen embrittlement is a phenomenon in which hydrogen atoms invade the metal's lattice structure, causing it to become brittle and prone to fractures under stress. Due to their unique composition and microstructure, special steels are designed to withstand harsh environments, including hydrogen embrittlement conditions. These steels often contain alloying elements such as nickel, chromium, and molybdenum, which enhance their resistance to hydrogen-induced cracking. The presence of these alloying elements in special steel promotes the formation of protective oxide layers on the steel's surface, which act as a barrier to prevent hydrogen atoms from diffusing into the metal matrix. Additionally, these elements can trap and bind hydrogen atoms, reducing their mobility and minimizing their detrimental effects on the steel's mechanical properties. Furthermore, special steels are often subjected to various heat treatments and processing techniques, such as quenching and tempering, to further enhance their resistance to hydrogen embrittlement. These processes help refine the steel's microstructure, improving its strength, toughness, and ductility while minimizing the potential for hydrogen-induced cracking. Overall, special steel demonstrates superior performance in hydrogen embrittlement conditions compared to standard steels. Its unique composition, microstructure, and processing techniques make it highly resistant to the detrimental effects of hydrogen atoms, ensuring the structural integrity and reliability of components and structures operating in hydrogen-rich environments.

Q: What are the applications of special steel in aerospace engineering?: The aerospace industry heavily relies on special steels for their distinct characteristics and capabilities. These steels are specifically crafted to meet the demanding needs of aerospace engineering, where utmost importance is placed on strength, resistance to corrosion, and tolerance to extreme temperatures. Here are some notable applications of special steel in aerospace engineering: 1. Aircraft engine components: Stainless steels and other special steels are extensively used in the production of aircraft engine components. These steels offer unparalleled strength, resistance to corrosion, and durability at high temperatures, making them perfect for critical parts like turbine blades, compressor discs, and shafts. 2. Landing gear systems: The landing gear of an aircraft undergoes significant stress and impact during takeoff, landing, and taxiing. To withstand these forces, special steels with remarkable strength, toughness, and resistance to fatigue are utilized in the manufacturing of landing gear components such as struts, axles, and shock absorbers. 3. Structural components: Aerospace structures must endure dynamic loads, vibrations, and extreme environmental conditions. Various structural components like wings, fuselage frames, and support structures employ special steels, particularly high-strength low-alloy (HSLA) steels. These steels offer exceptional strength-to-weight ratios, ensuring structural integrity while minimizing weight. 4. Fasteners: Special steel fasteners, including bolts, screws, and rivets, play a crucial role in joining different components in aerospace applications. These fasteners are typically made from high-strength steels, providing exceptional tensile and shear strength, as well as resistance to corrosion, to ensure secure and reliable connections. 5. Fuel system components: Special steels with high resistance to corrosion, such as stainless steels, are utilized in the construction of fuel system components like tanks, pipes, and valves. These steels prevent fuel leakage and maintain the system's integrity, even in harsh environments. 6. Electrical connectors: Aerospace electrical systems necessitate reliable and efficient electrical connectors. Special steels, often possessing high electrical conductivity and resistance to corrosion, are employed in the manufacturing of connectors, guaranteeing optimal performance and longevity. In conclusion, the outstanding properties of special steels make them indispensable in aerospace engineering. Whether it is for critical engine components, landing gear systems, structural applications, fasteners, fuel systems, or electrical connectors, these steels provide the necessary strength, resistance to corrosion, and stability in extreme temperatures, ensuring safe and efficient aircraft operation.

Q: What are the main characteristics of structural steel?: The main characteristics of structural steel include high strength, durability, versatility, and cost-effectiveness. It has a high strength-to-weight ratio, allowing for the construction of large and complex structures with minimal material usage. It is also resistant to corrosion and can withstand extreme weather conditions, making it suitable for both indoor and outdoor applications. Additionally, structural steel is highly versatile, as it can be easily fabricated, modified, and reused. Its cost-effectiveness is another key characteristic, as it offers long-term value due to its low maintenance requirements and ability to withstand heavy loads.

Q: How does special steel comply with international standards?: Special steel, specifically designed and manufactured to possess exceptional properties and performance, undergoes a rigorous process to ensure its quality and conformity to established norms. To begin with, adherence to international standards in the production of special steel is achieved through the meticulous selection of raw materials. The composition and quality of these materials are carefully controlled and tested to meet the specifications outlined by international standards organizations. This guarantees that the resulting special steel is of the desired quality and possesses the necessary mechanical properties. In addition, standardized production processes are followed by special steel manufacturers. These processes are designed in accordance with international guidelines and standards to ensure consistency and traceability. Through the use of advanced technologies and quality control measures, manufacturers can monitor and control every stage of production, from melting and casting to rolling and heat treatment. This guarantees that the final product meets the required standards in terms of chemical composition, mechanical properties, and dimensional tolerances. Moreover, stringent testing and inspection procedures are conducted to validate the compliance of special steel with international standards. Certified laboratories and independent third-party agencies perform various destructive and non-destructive testing methods, such as ultrasonic testing, hardness testing, and microstructure analysis. These tests ensure unbiased and accurate results. Furthermore, special steel manufacturers often have their production processes and quality management systems audited and certified by recognized bodies, like ISO, to demonstrate their commitment to compliance with international standards. It is also important to note that special steel manufacturers actively participate in international standardization committees, such as ASTM International and ISO. By engaging in these committees, they contribute to the development and revision of international standards, ensuring that their products remain up to date and aligned with the latest industry requirements. In conclusion, special steel complies with international standards through careful raw material selection, adherence to standardized production processes, rigorous testing and inspection, and active participation in international standardization committees. By following these measures, special steel manufacturers demonstrate their dedication to producing high-quality products that meet the strict requirements of international standards.

Q: How does special steel perform in welding applications?: Special steel performs well in welding applications due to its high strength, excellent heat resistance, and superior weldability. Its unique composition and alloying elements allow for precise control of the welding process, resulting in high-quality, durable welds. Additionally, special steel's ability to resist cracking and deformation during welding ensures reliable performance and structural integrity in various applications.

Q: Can special steel be used in the production of valves and fittings?: Yes, special steel can be used in the production of valves and fittings. Special steel, such as stainless steel or alloy steel, is often preferred due to its high strength, corrosion resistance, and ability to withstand extreme temperatures and pressures. These properties make special steel suitable for various industrial applications, including the manufacturing of valves and fittings used in sectors like oil and gas, chemical, and power generation.

Q: How is tool steel different from other types of special steel?: Tool steel is a specific type of special steel that is specifically designed for creating tools and dies. Unlike other types of special steel, tool steel is known for its exceptional hardness, resistance to wear, and ability to hold a sharp edge under high temperatures. This makes it ideal for applications such as cutting, drilling, and shaping materials. Tool steel also typically contains higher amounts of carbon and other alloying elements to enhance its strength and durability, distinguishing it from other types of special steel.

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