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: Can special steel be used in the production of gears?: Yes, special steel can be used in the production of gears. Special steels are often preferred for gear manufacturing due to their high strength, durability, and wear resistance properties. They can withstand heavy loads, high temperatures, and provide excellent performance in various industries such as automotive, aerospace, and machinery.

Q: What are the different joining methods for special steel?: Some of the different joining methods for special steel include welding, brazing, soldering, and adhesive bonding.

Q: How is high-strength alloy steel used in the production of structural components?: High-strength alloy steel is commonly used in the production of structural components due to its exceptional strength-to-weight ratio and durability. It provides the necessary strength and stability required for structural applications, such as bridges, buildings, and infrastructure. The high-strength properties of alloy steel allow for the creation of lighter and more efficient structures, reducing material and construction costs while ensuring structural integrity and safety.

Q: How is tool and die steel used in the manufacturing of molds and dies?: Tool and die steel is used in the manufacturing of molds and dies because of its high hardness, wear resistance, and toughness properties. It is used to create and shape various components of molds and dies, such as inserts, cavities, and cores, which are crucial in the production of plastic, metal, or other materials. Additionally, tool and die steel also provides the necessary strength and durability to withstand the high pressure, heat, and repeated use involved in the manufacturing process.

Q: What are the main characteristics of corrosion-resistant castings?: The main characteristics of corrosion-resistant castings include the ability to withstand exposure to corrosive environments without degradation or rusting, high resistance to chemical attack, excellent durability, and long-lasting performance. These castings are typically made from materials such as stainless steel, nickel-based alloys, or other corrosion-resistant alloys, which provide enhanced resistance against oxidation, pitting, and crevice corrosion. Additionally, corrosion-resistant castings often possess good mechanical properties, including high strength and hardness, making them suitable for applications in industries such as marine, oil and gas, chemical processing, and wastewater treatment.

Q: How does special steel contribute to the manufacturing industry?: Special steel contributes to the manufacturing industry by providing superior strength, durability, and performance in various applications. Its unique composition and properties allow for the production of high-quality components and machinery that can withstand extreme conditions, ensuring safety and reliability. Additionally, special steel enables manufacturers to create lightweight and efficient products, leading to cost savings and environmental sustainability.

Q: How does special steel perform in marine applications?: Marine grade steel, also referred to as special steel, exhibits exceptional performance in marine applications. Designed and manufactured specifically to endure the harsh and corrosive conditions commonly found in marine settings, this type of steel offers a range of advantages. One of the primary benefits of special steel in marine applications is its remarkable resistance to corrosion. Traditional steel is susceptible to the corrosive effects of saltwater, which is abundant in marine environments. However, special steel incorporates additional alloying elements like chromium and nickel, which enhance its corrosion resistance. As a result, the steel remains structurally sound and retains its strength and integrity over time. Moreover, special steel possesses outstanding strength and toughness characteristics, rendering it highly suitable for marine applications. It can withstand extreme temperatures, heavy loads, and impacts, making it ideal for shipbuilding, offshore structures, and other marine equipment. Furthermore, it exhibits remarkable resistance to fatigue, a crucial attribute for structures constantly exposed to dynamic loads and vibrations in marine environments. Additionally, special steel is renowned for its excellent weldability and machinability, facilitating easy fabrication and installation in marine applications. This steel can be effortlessly shaped into various forms and sizes, providing flexibility in design and construction. Overall, special steel is an extremely reliable and durable choice for marine applications due to its exceptional corrosion resistance, strength, toughness, and weldability. It guarantees the longevity and safety of marine structures and equipment, making it the preferred option for numerous industries within the marine sector.

Q: What are the main advantages of using special steel in the power generation industry?: The main advantages of using special steel in the power generation industry are its exceptional strength, resistance to corrosion and high-temperature capabilities. These properties make special steel highly suitable for critical components like turbines, boilers, and generators, ensuring their durability and reliability in harsh operating conditions. Additionally, special steel's ability to withstand extreme pressure and stress enhances the overall safety and efficiency of power plants.

Q: What industries use special steel?: Special steel plays a vital role in multiple industries, relying on its unique properties to carry out their operations. The automotive industry, for instance, utilizes special steel extensively in manufacturing engine parts, transmission systems, and chassis components. The exceptional strength, durability, and corrosion resistance of special steel make it an ideal choice for withstanding the challenging conditions faced by automotive components. Similarly, the aerospace industry heavily relies on special steel in constructing aircraft structures, engine components, and landing gear systems. The lightweight yet robust characteristics of special steel are crucial in ensuring the safety and performance of aircraft. In the energy sector, special steel is essential for producing equipment used in oil and gas exploration, such as drilling rigs, pipelines, and offshore platforms. The high-strength and corrosion-resistant properties of special steel enable it to withstand the harsh operating conditions prevalent in this industry. The construction industry is also a significant consumer of special steel, using it in the manufacturing of structural components, reinforcing bars, and precast concrete products. Special steel provides the necessary strength and durability required for building structures capable of withstanding diverse environmental conditions and heavy loads. Moreover, the manufacturing and machinery industry relies on special steel for producing heavy machinery, industrial equipment, and machine tools. The exceptional strength, wear resistance, and heat resistance properties of special steel make it well-suited to meet the demanding requirements of these applications. Lastly, the defense and military industry heavily depends on special steel for producing military vehicles, weapons, and armor. Special steel's ability to withstand extreme conditions and provide protection makes it a critical material in this industry. Overall, special steel's exceptional properties of strength, durability, corrosion resistance, and heat resistance make it indispensable across various industries. Its applications span from automotive and aerospace to energy, construction, manufacturing, and defense sectors, where reliability and performance are of paramount importance.

Q: What are the main factors affecting the fatigue strength of special steel?: The fatigue strength of special steel is influenced by several main factors: 1. Material composition: The chemical composition of special steel plays a significant role in determining its fatigue strength. Alloying elements such as carbon, chromium, molybdenum, and nickel can enhance the material's resistance to fatigue by improving its ability to withstand cyclic loading. 2. Microstructure: The microstructure of special steel, including the grain size, crystallographic texture, and presence of any precipitates or phases, can significantly affect its fatigue strength. Fine-grained structures generally exhibit higher fatigue strength due to reduced stress concentrations and improved resistance to crack initiation and propagation. 3. Surface condition: The surface finish and integrity of special steel can have a significant impact on its fatigue strength. Surface defects, such as scratches, notches, or roughness, can act as stress concentrators and initiate fatigue cracks. Proper surface treatments, such as grinding or shot peening, can improve the fatigue resistance by reducing stress concentrations and introducing compressive residual stresses. 4. Heat treatment: The heat treatment process used to modify the structure and properties of special steel can also affect its fatigue strength. Proper heat treatment techniques, such as quenching and tempering, can optimize the material's microstructure, improve its hardness, and enhance its resistance to fatigue. 5. Loading conditions: The type and magnitude of cyclic loading applied to special steel significantly influence its fatigue strength. Factors such as stress amplitude, mean stress, load ratio (ratio of minimum to maximum stress), and frequency of loading can all impact the fatigue life of the material. 6. Environmental conditions: The presence of corrosive environments, high temperatures, or other harsh conditions can decrease the fatigue strength of special steel. Environmental factors can accelerate crack initiation and propagation, leading to reduced fatigue life. Proper selection of corrosion-resistant alloys or protective coatings can mitigate the adverse effects of the environment on fatigue strength. By considering and optimizing these factors, manufacturers and engineers can enhance the fatigue strength of special steel, ensuring its reliability and longevity in various applications.

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