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:What are the main applications of special steel in the power generation equipment?: Special steel is widely used in power generation equipment for various applications. Some of the main applications include the construction of gas and steam turbines, generator rotors, boiler tubes, and pressure vessels. Special steel's high strength, corrosion resistance, and exceptional heat resistance make it ideal for these demanding environments, ensuring the reliability and efficiency of power generation equipment.

Q:What are the main applications of special steel in the marine sector?: Special steel is widely used in the marine sector for various applications. Some of the main applications include the construction of ship hulls, offshore platforms, and marine structures. Special steel's high strength, corrosion resistance, and durability make it suitable for withstanding harsh marine environments. Additionally, special steel is used in propeller shafts, rudders, and other critical components, ensuring efficient and reliable performance of marine vessels.

Q:How does electrical steel contribute to the production of transformers and motors?: Electrical steel, also known as silicon steel, plays a crucial role in the production of transformers and motors. Its unique magnetic properties, achieved through the addition of silicon, allow for efficient energy transfer and reduction of energy losses. The low core loss and high magnetic permeability of electrical steel enable transformers to convert high voltage electricity into lower voltage levels, and motors to efficiently convert electrical energy into mechanical motion. In essence, electrical steel is the essential material that enables the high efficiency and performance of transformers and motors, making them indispensable components in various electrical applications.

Q:What are the main alloying elements used in special steel?: The main alloying elements used in special steel can vary depending on the specific type of special steel, but common alloying elements include chromium, nickel, molybdenum, vanadium, and tungsten. These elements are added to enhance the steel's properties such as corrosion resistance, strength, hardness, and heat resistance.

Q:What is the difference between stainless steel and special steel?: Stainless steel is a type of steel that contains a high amount of chromium, which makes it resistant to corrosion and staining. On the other hand, special steel refers to a wide range of alloys that are specifically designed to have unique properties, such as high strength, heat resistance, or electrical conductivity. While stainless steel is primarily used for its corrosion resistance, special steel is tailored to meet specific requirements in various industries, such as aerospace, automotive, or construction.

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:Can special steel be used in the telecommunications industry?: Yes, special steel can be used in the telecommunications industry. It is often used in the construction of telecommunication towers, antennas, and transmission lines due to its high strength, corrosion resistance, and durability.

Q:What are the different methods of surface powder coating for special steel?: There are several methods of surface powder coating that are commonly used for special steel. These methods include: 1. Electrostatic powder coating: This method involves applying an electric charge to the powder particles and then spraying them onto the steel surface. The charged particles are attracted to the grounded steel, resulting in a uniform and durable coating. 2. Fluidized bed powder coating: In this method, the steel is preheated and then dipped into a fluidized bed of powder particles. The heat causes the powder to melt and form a smooth coating on the steel surface. Excess powder is then removed by shaking or blowing air. 3. Flame spray powder coating: This method involves heating the powder particles using a flame and then spraying them onto the steel surface. The heat melts the powder, which then solidifies to form a coating. Flame spray powder coating is often used for larger steel structures or for repairing damaged coatings. 4. Thermal spray powder coating: This method uses a thermal spray gun to heat and propel the powder particles onto the steel surface. The high velocity of the particles ensures good adhesion and a dense coating. Thermal spray powder coating is often used for high-wear applications or in corrosive environments. 5. UV-cured powder coating: This method involves applying a UV-sensitive powder onto the steel surface and then exposing it to UV light. The UV light initiates a chemical reaction that causes the powder to cure and form a hard coating. UV-cured powder coating is known for its fast curing time and excellent resistance to chemicals and UV radiation. Each of these methods has its own advantages and considerations, and the choice of method will depend on factors such as the specific requirements of the steel surface, the desired coating thickness, and the production volume.

Q:Can special steel be used in high-pressure applications?: Indeed, high-pressure applications can utilize special steel. These steels, also referred to as alloy steels, are intentionally designed to possess improved mechanical properties, including high strength, ductility, and resistance to corrosion. These characteristics make them suitable for enduring high-pressure settings. Industries such as oil and gas, aerospace, automotive, and power generation often employ special steels due to their high-pressure applications. In the oil and gas sector, for instance, special steels are utilized in the production of high-pressure pipelines, valves, and pressure vessels that can withstand the intense pressure conditions during processes like oil drilling, transportation, and refining. The exceptional strength of special steel enables it to withstand the internal pressure exerted by fluids or gases without any deformation or failure. Additionally, its corrosion resistance ensures that the steel remains intact and undamaged even in the demanding operating conditions frequently encountered in high-pressure applications. Furthermore, special steels can be customized to meet specific requirements by adjusting their chemical composition and heat treatment processes. This customization allows the steel to exhibit even greater strength, toughness, and fatigue resistance, thereby making it an ideal choice for applications in high-pressure environments. To summarize, special steel can be utilized in high-pressure applications owing to its enhanced mechanical properties and resistance to corrosion. Its ability to endure extreme pressures makes it a dependable option for numerous industries that encounter high-pressure conditions.

Q:How does special steel enhance the performance of cutting tools?: Special steel brings about various enhancements to the performance of cutting tools. To begin with, special steel is specifically designed to possess greater hardness and wear resistance in comparison to standard steel. This heightened hardness ensures that cutting tools retain their sharpness for extended periods, resulting in improved cutting efficiency and accuracy. Furthermore, the exceptional wear resistance of special steel guarantees that the cutting edges of the tools do not wear down quickly, allowing them to endure the substantial forces and pressures involved in cutting operations. Moreover, special steel often exhibits superior toughness and strength when compared to regular steel. This augmented toughness enables cutting tools to endure impacts and vibrations without succumbing to breakage or chipping, thus ensuring their durability and longevity. Additionally, the increased strength of special steel empowers cutting tools to handle higher cutting speeds and feed rates, ultimately enhancing productivity and reducing machining time. Special steel also boasts excellent heat resistance properties, which are crucial for cutting tools subjected to elevated temperatures during machining processes. This heat resistance prevents the cutting edges from softening or deforming, circumstances that could lead to subpar cutting performance and reduced tool lifespan. Additionally, special steels can possess improved corrosion resistance, effectively shielding the tools from rust or corrosion caused by exposure to moisture or aggressive cutting fluids. In conclusion, the distinctive properties of special steel, including heightened hardness, wear resistance, toughness, strength, heat resistance, and corrosion resistance, all work together to enhance the performance of cutting tools. These characteristics enable cutting tools to maintain their sharpness, withstand high forces and temperatures, resist wear and corrosion, and ultimately improve cutting efficiency, accuracy, and tool lifespan.

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