Special Steel1.2344 Die Steel Bar Round Bars

Special Steel1.2344 Die Steel Bar Round Bars

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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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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

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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:What are the most common alloys used in special steel?: The most common alloys used in special steel include stainless steel, tool steel, and high-speed steel.

Q:What are the different methods of surface coloring for special steel?: There are several different methods of surface coloring for special steel, each serving a specific purpose and achieving a distinct effect. Some of the common methods include: 1. Heat Treatment: Heat treatment is a popular method for surface coloring of special steels. This process involves exposing the steel to high temperatures, which causes a controlled oxidation reaction on the surface. The result is a layer of colored oxide that can vary in hue, ranging from golden yellow to deep blue or black. Heat treatment can also improve the hardness and corrosion resistance of the steel. 2. Electroplating: Electroplating is another common method used to color the surface of special steel. It involves immersing the steel in an electrolyte bath containing a metal salt solution. An electrical current is then passed through the bath, causing the metal ions to adhere to the steel surface, resulting in a thin layer of the desired metal coating. This method allows for a wide range of colors and finishes, depending on the metal used and the desired effect. 3. Chemical Coloring: Chemical coloring is a process that involves the use of chemical solutions to alter the surface color of special steel. This method typically involves treating the steel with a solution containing specific chemicals, such as oxidizing agents or dyes. By carefully controlling the composition and concentration of the solution, it is possible to achieve a variety of colors and finishes. This method is often used for decorative purposes and can produce vibrant and uniform coloration. 4. Physical Vapor Deposition (PVD): PVD is a technique used to deposit thin layers of material onto the surface of special steel. In this method, a solid material is vaporized using a high-energy source, such as an arc or plasma, and then condensed onto the steel surface. This process allows for the deposition of various materials, including metals, ceramics, and polymers, which can result in a range of colors and surface finishes. PVD coatings are known for their durability, wear resistance, and aesthetic appeal. 5. Laser Marking: Laser marking is a non-contact method that utilizes a focused laser beam to create permanent markings or colors on the surface of special steel. By adjusting the laser parameters, such as power, speed, and frequency, it is possible to achieve different colors and surface effects. Laser marking is often used for branding, identification, or decorative purposes, as it provides high precision and can create intricate patterns or designs. Overall, the choice of surface coloring method for special steel depends on various factors, including the desired color, durability, functionality, and cost considerations. Each method offers its own advantages and limitations, allowing for customization based on specific requirements and preferences.

Q:What are the different methods of improving the wear resistance of special steel?: To improve the wear resistance of special steel, there are various techniques that can be employed. To start, heat treatment methods like quenching and tempering can be utilized. Quenching involves rapidly cooling the steel in a liquid medium, such as oil or water, to enhance its hardness. This process forms a hardened surface layer that can effectively resist wear. On the other hand, tempering involves reheating the quenched steel to a specific temperature and gradually cooling it. This helps reduce the brittleness caused by quenching and improves the steel's toughness, which is crucial for wear resistance. Another approach is through alloying. By adding elements like chromium, manganese, or vanadium to the steel, its wear resistance can be significantly enhanced. These alloying elements form carbides, nitrides, or borides, which increase the hardness and improve the material's ability to resist wear and abrasion. Surface treatment techniques, such as carburizing or nitriding, can also be employed. Carburizing involves heating the steel in a carbon-rich atmosphere, introducing carbon into its surface. This creates a hardened surface layer with a high carbon content, making the steel more wear-resistant. Nitriding, on the other hand, involves diffusing nitrogen into the steel's surface, forming nitrides that increase hardness and wear resistance. Furthermore, the steel surface can be coated using physical vapor deposition (PVD) or chemical vapor deposition (CVD). PVD involves depositing a thin layer of wear-resistant material, like titanium nitride or diamond-like carbon, onto the steel surface using a vacuum process. CVD, on the other hand, involves depositing a wear-resistant coating through chemical reactions at elevated temperatures. These coatings provide an additional layer of protection against wear and friction. Lastly, the grain size of the steel can be controlled through processes like grain refinement or severe plastic deformation. Smaller grain sizes typically result in increased hardness and improved wear resistance. Overall, a combination of these methods can be employed to enhance the wear resistance of special steel, depending on the specific application and desired properties.

Q:What are the limitations of using special steel in high-stress applications?: There are several limitations to using special steel in high-stress applications. Firstly, special steel can be quite expensive compared to other materials. This can make it less feasible for certain projects or industries with budget constraints. Secondly, special steel may not always be readily available or easily sourced. This can lead to delays in production or construction timelines, which can be problematic in high-stress applications where time is of the essence. Additionally, special steel may have limitations in terms of its structural integrity. While it is generally stronger and more resistant to wear and tear compared to regular steel, it may still have certain limits in terms of load-bearing capacity. This means that in extremely high-stress applications, special steel may not be the most suitable choice. Moreover, special steel can be more difficult to work with compared to other materials. It may require specialized equipment or techniques for cutting, welding, or shaping, which can add complexity and cost to the manufacturing process. Lastly, special steel may have limitations in terms of its corrosion resistance. While it is generally more resistant to corrosion compared to regular steel, it may still be prone to rust or degradation if not properly maintained or exposed to harsh environments. This can be a concern in high-stress applications where the durability and longevity of the material are crucial. Overall, while special steel offers many benefits in high-stress applications, it is important to consider its limitations in terms of cost, availability, load-bearing capacity, workability, and corrosion resistance. These factors should be carefully evaluated to determine the most suitable material for a specific high-stress application.

Q:What are the properties of high-strength stainless steel?: High-strength stainless steel possesses several key properties. Firstly, it exhibits excellent corrosion resistance, making it highly resistant to rust and other forms of chemical degradation. Additionally, it has exceptional strength and durability, allowing it to withstand high levels of stress and pressure without deformation or failure. Furthermore, it retains its mechanical properties even at elevated temperatures, making it suitable for use in extreme environments. Lastly, high-strength stainless steel is often non-magnetic, providing advantages in certain applications where magnetic interference needs to be minimized.

Q:How is wear-resistant steel used in mining and earthmoving equipment?: Wear-resistant steel is used in mining and earthmoving equipment to enhance their durability and longevity in harsh operating conditions. It is utilized to manufacture various components such as buckets, blades, cutting edges, and wear plates that are constantly subjected to abrasion, impact, and high stress. These steel parts ensure the equipment can withstand the abrasive nature of rocks, minerals, and other materials encountered during mining and earthmoving operations, reducing maintenance needs and increasing productivity.

Q:Classification of special steel products: According to the carbon content of the steel can be divided into low carbon steel (WC = 0.25%), steel (0.25% WC 0.6%) and high carbon steel (wc>0.6%) according to the content of phosphorus and sulfur can be divided into ordinary carbon steel (carbon steel with phosphorus, sulfur, high quality carbon steel (P), low sulfur and high quality (steel) phosphorus, sulfur lower).In general, the higher carbon content in carbon steel, the higher hardness and higher strength, but lower plasticity. This kind of steel is mainly carbon steel to ensure mechanical properties, so the brand reflects its mechanical properties, represented by the Q+ number, "Q" to "yield point bend" word Pinyin prefix, a digital representation of the yield point value, such as Q275 said the yield point is 275MPa. If the grades are marked with letters A, B, C and D, the quality grade of steel is different. The quantity of S and P is reduced, and the quality of steel is improved. If the letter "F" is marked behind the grade, it is "boiling steel". The label "B" is a semi killed steel, and no "F" or "B" is used as a killed steel. For example, Q235-A = F indicates a yield point of 235MPa for grade a rimmed steel, and Q235-c represents a C grade killed steel with a yield point of 235MPa.

Q:What are the specific requirements for special steel used in the agricultural sector?: Special steel used in the agricultural sector has specific requirements to ensure optimal performance and durability in the demanding conditions it will be subjected to. Some of the key requirements for special steel in the agricultural sector include: 1. Corrosion resistance: Agricultural equipment often comes into contact with corrosive substances such as fertilizers, pesticides, and animal waste. Special steel used in this sector must have high resistance to corrosion to prevent premature deterioration and ensure long service life. 2. High strength: Agricultural equipment is subjected to heavy loads, impacts, and vibrations during operation. Special steel used in this sector must possess high tensile strength and toughness to withstand these forces without deformation or failure. 3. Wear resistance: Agricultural machinery operates in abrasive environments, where soil, rocks, and other debris can cause significant wear on metal surfaces. Special steel used in the agricultural sector should have excellent wear resistance to maintain sharp cutting edges and prevent premature wear. 4. Machinability: Agricultural equipment often requires complex components with intricate shapes and profiles. Special steel used in this sector should have good machinability to enable easy fabrication, welding, and shaping of the steel into the desired form. 5. Heat resistance: Some agricultural processes involve high temperatures, such as heat treatment or exposure to hot gases. Special steel used in these applications should have good heat resistance to maintain its mechanical properties and structural integrity even at elevated temperatures. 6. Cost-effectiveness: Agricultural equipment manufacturers often need to balance performance with cost. Special steel used in the agricultural sector should provide a cost-effective solution, offering the desired properties at a competitive price. By meeting these specific requirements, special steel used in the agricultural sector can provide reliable and efficient performance, contributing to the productivity and longevity of agricultural machinery and equipment.

Q:What are the different applications of special steel in the construction industry?: Special steels are highly versatile materials that find numerous applications in the construction industry. One of the primary uses of special steel in construction is in the production of structural components. Special steels, such as high-strength low-alloy (HSLA) steel and weathering steel, are commonly employed to construct buildings, bridges, and other infrastructure projects that require superior strength and durability. In addition to structural applications, special steel is also extensively utilized in the construction of pipelines. This is particularly true for oil and gas pipelines, where special steels with excellent resistance to corrosion and high-pressure conditions are crucial. Stainless steel, for instance, is commonly employed due to its exceptional corrosion resistance properties, making it ideal for harsh environments. Another vital application of special steel in construction is in the production of reinforcing bars, commonly known as rebars. Reinforcing steel bars are used to reinforce concrete structures, such as buildings, bridges, and highways, by providing additional strength to withstand tension forces. Special steel rebars, such as micro-alloyed steel or carbon steel, are specifically designed to enhance the structural integrity and durability of concrete structures. Furthermore, special steel is extensively used in the construction of high-rise buildings and skyscrapers. The exceptional strength, ductility, and fire resistance properties of special steels, such as carbon steel or alloy steel, make them ideal for constructing tall structures that can withstand heavy loads and resist the impact of fire incidents. Special steel also finds application in the construction of equipment and machinery used in the construction industry. For instance, high-speed steel (HSS) is commonly used to manufacture cutting tools, drill bits, and saw blades that are essential for various construction activities. HSS possesses exceptional hardness, wear resistance, and high-temperature strength, making it suitable for heavy-duty cutting and drilling applications. In conclusion, special steel plays a crucial role in the construction industry due to its superior strength, durability, corrosion resistance, and fire resistance properties. It finds applications in structural components, pipelines, reinforcing bars, high-rise buildings, and construction machinery. Special steel ensures the safety, longevity, and reliability of construction projects, making it an essential material in the industry.

Q:How does special steel contribute to the telecommunications equipment industry?: The telecommunications equipment industry greatly relies on special steel to support its complex infrastructure and advanced technologies. Special steel plays a critical role by providing the necessary strength, durability, and reliability. An important aspect of special steel is its ability to withstand extreme weather conditions and environmental factors. Telecommunications equipment, such as transmission towers, antennas, and satellites, often face harsh elements like strong winds, heavy rain, and earthquakes. Special steel, with its high tensile strength and resistance to corrosion, ensures the stability and longevity of the infrastructure, minimizing the risk of damage or failure. Additionally, special steel is used in the production of various components for telecommunications equipment. Connectors, cables, and electronic enclosures, for example, require materials with excellent electrical conductivity and heat dissipation properties. Special steel alloys, including stainless steel or nickel-based alloys, are utilized to meet these requirements, ensuring efficient signal transmission and preventing overheating issues. Furthermore, special steel is crucial for manufacturing high-quality tools and equipment used in the installation, maintenance, and repair of telecommunications networks. Specialized steel alloys, such as tool steel, provide exceptional hardness, toughness, and wear resistance, enabling the production of reliable and long-lasting tools. These tools are essential for professionals in the telecommunications industry as they allow for efficient and accurate installation and maintenance, ensuring uninterrupted connectivity for end-users. Moreover, as the telecommunications industry continues to advance, special steel is vital in supporting the deployment of advanced technologies like 5G networks and fiber-optic systems. These technologies require specialized components, such as waveguides, reflectors, and amplifiers, often made from special steel alloys to ensure optimal performance and durability. By providing the necessary materials for these cutting-edge technologies, special steel contributes to the expansion and enhancement of telecommunications infrastructure worldwide. In conclusion, special steel is indispensable to the telecommunications equipment industry due to its strength, durability, and reliability, which are crucial for infrastructure, components, tools, and advanced technologies. Its unique properties enable the industry to provide efficient and uninterrupted communication services to individuals and businesses globally.

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