Special Steel1.2344 Die Steel Bar Round Bars

Special Steel1.2344 Die Steel Bar Round Bars

Ref Price:

Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 10000 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Chemical Composition%

Country	Standard	C	Si	Mn	Cr	Mo	V	S	P
China(GB)	4Cr5NoSiV1	0.32-0.45	0.80-1.20	0.20-0.50	4.75-5.50	1.10-1.75	0.80-1.20	≤0.030	≤0.030
USA(ASTM)	H13	0.32-0.45	0.80-1.20	0.20-0.50	4.75-5.50	1.10-1.75	0.80-1.20	≤0.030	≤0.030
Germany(DIN)	1.2344	0.37-0.42	0.90-1.20	0.30-0.50	4.80-5.50	1.20-1.50	0.90-1.10	≤0.030	≤0.030
Japan(JIS)	SKD61	0.37-0.42	0.90-1.20	≤0.50	4.50-5.50	1.00-1.50	0.80-1.20	≤0.030	≤0.030

Available Size

Rolled round bar:φ12-80mm × L

Forged round bar:φ85-600mm × L

Applications: Suitable for aluminum and copper die-casting moulds working for long time at elevated temperatures,hot extrusion dies,core rod forging dies,plastic moulds,etc,also suitable for heat resistance thimbles,push rods and ejector sleeves

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

Product show

Workshop show

Special Steel1.2344 Die Steel Bar Round Bars

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 does the corrosion resistance of special steel compare to regular steel?: The corrosion resistance of special steel is generally superior to that of regular steel due to its unique composition and additional alloying elements that enhance its durability and protect it from corrosion.

Q: Can special steel be used for nuclear power plant components?: Yes, special steel can be used for nuclear power plant components. Special steel alloys such as stainless steel, low-alloy steels, and nickel-based alloys are commonly used in nuclear power plants due to their excellent mechanical properties, resistance to corrosion, and ability to withstand high temperatures and radiation. These materials are specifically designed to meet the stringent safety and performance requirements of nuclear power plant components, ensuring the integrity and reliability of the plant.

Q: What are the different heat treatment processes used in special steel?: Some of the different heat treatment processes used in special steel include annealing, tempering, hardening, and quenching. Each of these processes is designed to alter the properties of the steel, such as its hardness, strength, and ductility, to meet specific requirements for different applications. Annealing involves heating the steel to a specific temperature and then slowly cooling it, which helps to relieve internal stresses and improve its machinability. Tempering involves reheating the steel after hardening to a lower temperature, which reduces its brittleness and increases its toughness. Hardening involves heating the steel to a high temperature and then rapidly cooling it, typically in water or oil, to achieve maximum hardness. Quenching is the rapid cooling process used to achieve hardening. These heat treatment processes can significantly enhance the performance and durability of special steel in various industries.

Q: What are the different corrosion-resistant grades of special steel?: Various industries commonly use several grades of special steel that are resistant to corrosion. These grades are specifically designed to maintain their structural integrity and resist corrosion in harsh environments. Some examples of these corrosion-resistant grades of special steel include: 1. Stainless Steel: Stainless steel is widely used and highly popular for its corrosion-resistant properties. It contains at least 10.5% chromium, which forms a protective oxide layer on the surface, preventing corrosion. There are different types of stainless steel, such as austenitic, ferritic, and martensitic, each offering different levels of corrosion resistance. 2. Duplex Stainless Steel: Duplex stainless steel combines the corrosion resistance of both austenitic and ferritic stainless steels. It offers superior corrosion resistance compared to conventional stainless steel grades. With a high chromium content and other alloying elements like molybdenum and nitrogen, it provides enhanced resistance to pitting, crevice corrosion, and stress corrosion cracking. 3. Super Duplex Stainless Steel: Super duplex stainless steel is an even higher grade of corrosion-resistant steel compared to duplex stainless steel. It contains higher amounts of chromium and molybdenum, making it highly resistant to corrosive environments, such as seawater, chemicals, and acids. It is commonly used in offshore oil and gas industries. 4. Nickel Alloys: Nickel alloys, including Inconel and Hastelloy, are special steel grades with high corrosion resistance. These alloys have a significant nickel content, along with elements like chromium and molybdenum, which provide resistance to various corrosive environments, including high temperatures and acidic conditions. 5. Titanium Alloys: Titanium alloys are well-known for their exceptional corrosion resistance, particularly in aggressive media like seawater and chemical processing environments. These alloys have low density, high strength, and superior resistance to pitting, crevice corrosion, and stress corrosion cracking. 6. Aluminum Alloys: Certain aluminum alloys, such as 5052 and 6061, are also corrosion-resistant special steel grades. They form a protective oxide layer on the surface, offering excellent resistance to atmospheric corrosion. Aluminum alloys are commonly used in marine and aerospace applications. These examples represent only a few of the corrosion-resistant grades of special steel available. The selection of the appropriate grade depends on factors such as the specific corrosive environment, temperature, required mechanical properties, and other considerations related to the intended application.

Q: How does special steel contribute to reducing maintenance costs?: Special steel contributes to reducing maintenance costs by offering superior strength, durability, and corrosion resistance compared to regular steel. Its enhanced properties make it more resistant to wear, fatigue, and damage, thereby decreasing the frequency of maintenance and replacement needs. Additionally, special steel's ability to withstand harsh operating environments and extreme temperatures ensures longer equipment lifespans, reducing the overall maintenance expenses in the long run.

Q: What are the different heat treatment defects in special steel?: During the heat treatment process of special steel, various defects can occur. Some of the most frequently encountered defects are as follows: 1. Decarburization: This defect arises when the steel's outer layers lose carbon due to exposure to high temperatures in an environment rich in oxygen. The consequence of decarburization is reduced hardness and strength in the treated steel. 2. Quench cracking: Also known as cracking during quenching, this defect emerges when the steel undergoes rapid cooling subsequent to heating. The differential cooling rates can induce internal stresses, resulting in cracks within the material. 3. Distortion: Distortion refers to alterations in the shape or dimensions of the steel during the heat treatment process. It can be caused by uneven heating or cooling, inadequate fixturing, or improper quenching techniques. 4. Soft spots: Soft spots are localized areas of reduced hardness in the treated steel. These spots can occur due to insufficient heating or improper quenching, leading to diminished mechanical strength in those regions. 5. Overheating: Overheating is a defect that occurs when the steel is subjected to excessively high temperatures during the heat treatment process. This can lead to grain growth, reduced toughness, and overall decreased material properties. 6. Case hardening problems: Special steels often undergo case hardening processes, such as carburizing or nitriding, to create a hardened outer layer. However, several defects can arise during these processes, including inadequate or excessive hardening, poor case depth, or uneven distribution of hardness. 7. Residual stresses: Residual stresses are internal stresses that persist in the steel after the heat treatment process. If not properly controlled, these stresses can cause dimensional instability, warping, or even cracking. To prevent or minimize these heat treatment defects, it is crucial to adhere to proper heat treatment procedures. This includes precise temperature control, appropriate cooling rates, and suitable fixturing techniques. Furthermore, the use of high-quality heat treatment equipment, close monitoring of the process, and thorough inspections can aid in detecting and rectifying any potential defects in special steel.

Q: What are the different renewable energy grades of special steel?: There are different grades of special steel used in the production of renewable energy equipment, such as wind turbines, solar panels, and hydroelectric generators. These grades include high-strength steel, corrosion-resistant steel, and heat-resistant steel. Each grade is specifically designed to withstand the unique operating conditions and environmental factors associated with renewable energy applications.

Q: How does special steel contribute to weight reduction in manufacturing?: Special steel is a type of steel that has been specifically engineered to possess certain characteristics that make it suitable for various applications in manufacturing. One of the key advantages of special steel is its ability to contribute to weight reduction in manufacturing processes. Special steel is often utilized in industries where weight reduction is crucial, such as automotive, aerospace, and construction. This is because special steel possesses a high strength-to-weight ratio, meaning it can provide the required strength and performance while being lighter in weight compared to other materials. By using special steel in manufacturing processes, companies can achieve weight reduction in several ways. Firstly, the lightweight nature of special steel allows for the production of components and structures that are significantly lighter than those made from conventional steel or other materials. This reduction in weight can have numerous benefits, including improved fuel efficiency in automobiles, increased payload capacity in aircraft, and easier handling and installation in construction projects. Additionally, special steel's high strength-to-weight ratio enables manufacturers to design and produce thinner, yet equally strong, components. This not only reduces the overall weight of the manufactured product but also allows for more efficient use of materials, leading to cost savings and a more sustainable manufacturing process. Furthermore, special steel's unique properties, such as its excellent formability and weldability, enable manufacturers to create complex and intricate designs that can further contribute to weight reduction. This versatility allows for the production of lightweight components with intricate shapes and structures, which can enhance overall performance and functionality. In summary, special steel plays a crucial role in weight reduction in manufacturing processes. Its high strength-to-weight ratio, lightweight nature, excellent formability, and weldability enable the production of lighter components and structures. By utilizing special steel, industries can achieve improved efficiency, performance, and sustainability in their manufacturing operations.

Q: What are the key differences between special steel and tool steel?: Special steel and tool steel possess distinct characteristics and uses. Here are the main disparities: 1. Composition: Special steel encompasses a diverse range of steel alloys tailored for specific applications. Stainless steel, high-strength alloy steel, and heat-resistant steel are some examples. In contrast, tool steel refers to a particular type of special steel designed for tool, die, and mold production. Tool steel typically contains higher levels of carbon and other alloying elements like chromium, vanadium, or tungsten, which enhance its hardness, wear resistance, and toughness. 2. Hardness and wear resistance: Tool steel stands out for its exceptional hardness and wear resistance, making it ideal for cutting, shaping, and forming materials. It can endure high temperatures and resist deformation, ensuring the longevity of tools and dies. On the other hand, special steel may not possess the same level of hardness and wear resistance as tool steel. Its properties vary depending on the specific alloy and application. Special steel alloys may prioritize other properties such as corrosion resistance or strength. 3. Manufacturing processes: Tool steel often undergoes specialized manufacturing processes like hot working, cold working, or heat treatment to achieve the desired properties. The production of tool steel involves precise temperature control and cooling rates to attain the necessary hardness and toughness. In contrast, special steel may undergo various manufacturing processes depending on the desired properties, such as forging, casting, or heat treatment. 4. Applications: Tool steel finds primary application in the production of tools, dies, and molds used for cutting, shaping, and forming materials. Industries such as automotive, aerospace, and machinery commonly utilize tool steel. Conversely, special steel has a wide range of applications depending on the specific alloy and properties. It can be employed in industries such as construction, energy, and manufacturing, where specific properties like corrosion resistance, heat resistance, or strength are required. To summarize, the key distinctions between special steel and tool steel lie in their composition, hardness, wear resistance, manufacturing processes, and applications. While special steel encompasses various steel alloys with specific properties, tool steel is a specific type of special steel tailored for tooling applications. Tool steel is characterized by its exceptional hardness and wear resistance, making it suitable for cutting and shaping materials. On the other hand, special steel can possess a broader range of properties depending on the specific alloy and application.

Q: How does special steel contribute to the automotive industry?: Special steel contributes to the automotive industry by providing enhanced strength, durability, and performance to various vehicle components. It is used in critical parts such as engine components, chassis, suspension systems, and safety features like airbags and seatbelts. Special steel's high tensile strength allows for lighter weight designs, improving fuel efficiency and reducing emissions. Additionally, its corrosion resistance properties ensure longevity and reliability of automotive parts, ultimately enhancing overall vehicle safety and performance.

Send your message to us

*Email

*TEL

*Quantity

*Unit