Special Steel 1.2343 Round Forged Tool Steel

Special Steel 1.2343 Round Forged Tool Steel System 1

Special Steel 1.2343 Round Forged Tool Steel

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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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Specifications

1.2343 steel bars
1.Diameter:10mm~600mm,
2.Delivery Conditon:annealed, black/turned surface
3.Short Delivery Time

Product information

1.2343 steel round bars
Chemical Composition(%)
C	Si	Mn	P	S	Cr	Mo	V	W	Other
0.33-0.43	0.80-1.20	0.20-0.50	≤0.030	≤0.030	4.75-5.50	1.10-1.60	0.30-0.60	---	---
Specialty
Harden and air cooling steel, 600`C work, high rigidity, high endurance, anti-heating, anti-cracking, electric sediment and middle-melting steel, compact structure, refined in electric cooker, quality of steel is pure, owned good character of equal direction.
Use
1. Extrusion mold of aluminum and magnesium, die-casting mold, especially adapt to the mold in large and complicated form.
2. Extrusion mold of copper alloy, die-casting mold
3. Hot pressing machine mold
Heat Treatment
1Annealing after forging:technology heat to 860-890°c,keep temperature 2-4H,furnace cold below 500°c,out and air cool,hardness ≤229HBS 2.stress relieving annealing technology :heat to 730-760°c,keep 3-4H,furnace cold and air cool.
Melting Process
1. EAF: Electric Furnace+LF+VD(Optional)
2. ESR: Electric Furnace+LF+VD+Eleroslag Remelted(Optional)
UT Class
According to Standard of SEP 1921/84,100% Volume, Level C/c, D/d or E/e
Tolerance on Quantity
+/-10% Per Size

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Special Steel 1.2343 Round Forged 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 requirements for special steel used in agricultural machinery?: The requirements for special steel used in agricultural machinery vary depending on the specific component or part being produced. However, there are some common requirements that are generally applicable to most agricultural machinery. 1. Strength and durability: Agricultural machinery operates under harsh conditions, such as heavy loads, friction, and exposure to elements. Therefore, special steel used in such machinery must have high strength and durability to withstand these conditions without deformation or failure. 2. Corrosion resistance: Agricultural machinery is often exposed to moisture, chemicals, and other corrosive substances. Special steel used in agricultural machinery should possess good corrosion resistance properties to prevent rusting and degradation over time. 3. Wear resistance: Agricultural machinery components, such as blades, gears, and bearings, undergo repetitive and abrasive actions during operation. Special steel should have excellent wear resistance to ensure prolonged service life and reduce maintenance costs. 4. Toughness: Agricultural machinery encounters sudden impacts, shock loads, and vibrations during operation. Special steel should exhibit high toughness to absorb and resist these forces without fracture or fatigue failure. 5. Machinability: Special steel should have good machinability to enable efficient and accurate machining processes during manufacturing. This includes properties like good formability, weldability, and ease of heat treatment. 6. Cost-effectiveness: While meeting the above requirements, special steel used in agricultural machinery should also be cost-effective. The material should strike a balance between performance and cost, ensuring that the machinery is affordable without compromising quality and performance. Overall, the selection of special steel for agricultural machinery should be based on a comprehensive understanding of the specific application requirements, considering factors such as load capacity, environmental conditions, and expected service life. Meeting these requirements ensures that the agricultural machinery operates efficiently, reliably, and with minimal downtime.

Q:What are the different methods of preventing stress corrosion cracking in special steel?: There are several methods to prevent stress corrosion cracking in special steel. One common approach is to select a steel alloy with enhanced resistance to stress corrosion cracking. This can be achieved by adding alloying elements such as nickel, chromium, or molybdenum, which help improve the steel's corrosion resistance. Another method is to control the environment in which the steel is exposed. This can involve minimizing exposure to corrosive substances or adjusting temperature and humidity levels. Additionally, surface treatments such as passivation or coating can be applied to create a protective barrier against corrosion. Regular inspection and maintenance of the steel structure are also important to identify and address any potential sources of stress corrosion cracking.

Q:What are the different methods for quenching special steel?: Achieving the desired mechanical properties and improving the hardness and strength of special steel requires a critical step in the heat treatment process known as quenching. There are several methods available, each with their own advantages and considerations. One commonly used method is oil quenching, where the steel component is submerged in oil to act as a cooling medium. This provides a moderate cooling rate, allowing for controlled and uniform hardening. It is suitable for a wide range of steel grades and helps prevent cracking or distortion. Water quenching, on the other hand, is a faster cooling method compared to oil quenching. It extracts heat rapidly, resulting in higher hardness and strength. However, the high cooling rate can increase the risk of cracking or distortion, especially with thicker sections. Water quenching is commonly used for low-alloy steels and some high-alloy steels. Polymer quenching involves using a specialized polymer solution as the cooling medium. This method offers a controlled cooling rate, striking a balance between the slower oil quenching and faster water quenching. It is particularly suitable for steels with complex shapes or critical dimensions, as it reduces the risk of distortion and cracking. Air quenching, on the other hand, is a slower cooling method that allows the steel component to cool in ambient air. It is typically used for steels with lower hardenability, providing a more gradual cooling rate. While it helps reduce the risk of distortion and cracking, it may result in lower hardness and strength compared to other quenching methods. Finally, salt bath quenching involves immersing the steel component in a molten salt bath as the cooling medium. This method provides a controlled and uniform cooling rate, minimizing the risk of distortion and cracking. It is particularly suitable for complex-shaped or delicate parts, as it reduces thermal stress during cooling. It is important to consider various factors, such as steel grade, desired hardness, component size and shape, and required mechanical properties when choosing a quenching method. Proper selection and implementation of the method are crucial to achieving the desired material characteristics and ensuring the overall quality of the special steel product.

Q:How is the quality of special steel ensured?: The quality of special steel is ensured through a combination of rigorous testing, strict quality control measures, and adherence to international standards and specifications. Special steel producers employ various methods such as chemical analysis, mechanical testing, and non-destructive testing to verify the composition, strength, and integrity of the steel. Additionally, special steel manufacturers often have dedicated quality assurance teams that closely monitor the production process to identify any potential issues and ensure the final product meets the required specifications.

Q:How is martensitic steel used in knife making?: Martensitic steel is commonly used in knife making due to its excellent hardness, strength, and ability to hold a sharp edge. This type of steel undergoes a heat treatment process called quenching, which transforms its structure to be very hard and brittle. Knives made from martensitic steel are highly durable and resistant to wear and corrosion, making them ideal for various cutting tasks.

Q:What are the different methods for controlling the grain size in special steel?: There are several methods for controlling the grain size in special steel. 1. Heat treatment: One common method is heat treatment, which involves subjecting the steel to specific temperatures and cooling rates. This process can be used to refine the grain size by controlling the rate of nucleation and growth of new grains. For example, slow cooling can promote the formation of larger grains, while rapid cooling can result in smaller grain sizes. 2. Alloying elements: Adding certain alloying elements to the steel can also influence the grain size. For instance, elements like vanadium, niobium, and titanium can form carbides, which act as nucleation sites, leading to finer grain sizes. On the other hand, elements like aluminum and silicon can promote the formation of larger grains. 3. Mechanical deformation: Applying mechanical deformation to the steel, such as through rolling or forging, can also affect the grain size. These processes cause grain refinement by breaking up larger grains into smaller ones. Additionally, severe plastic deformation techniques like equal-channel angular pressing can produce ultrafine grains in special steel. 4. Grain growth inhibitors: Certain elements can act as grain growth inhibitors, preventing the coarsening of grain size during heat treatment. Examples of such elements include boron and zirconium. By controlling the concentration of these inhibitors, it is possible to inhibit grain growth and maintain a desired grain size. 5. Controlled cooling: Controlling the cooling rate during solidification and heat treatment is another method for controlling grain size. By carefully controlling the cooling rate, it is possible to achieve a specific grain size or a desired distribution of grain sizes. It is important to note that the choice of method for controlling grain size in special steel depends on the specific application and desired properties of the steel. Different methods may be employed in combination to achieve the desired grain size and optimize the performance of the steel for its intended use.

Q:How does special steel perform in high-temperature corrosion?: Special steel has been specifically engineered to excel in environments with high-temperature corrosion. Its exceptional properties grant it exceptional resistance against oxidation and corrosive reactions when subjected to elevated temperatures. The high chromium content found in special steel is a key factor contributing to its performance in high-temperature corrosion. Chromium creates a protective oxide layer, referred to as a passive film, which functions as a barrier against corrosive elements. This passive film remains stable even under high temperatures, successfully preventing oxidation and corrosion. Furthermore, special steel often incorporates additional alloying elements like nickel, molybdenum, and titanium, which further enhance its ability to resist high-temperature corrosion. These elements augment the steel's capacity to withstand aggressive chemical environments typically encountered in industrial processes involving high temperatures and corrosive substances. Moreover, special steel is renowned for its remarkable mechanical properties, which encompass high strength and toughness. These qualities enable the steel to endure the harsh conditions associated with high-temperature corrosion. Even when exposed to extreme temperatures and corrosive chemicals, it can retain its structural integrity and dimensional stability. In conclusion, special steel's exceptional resistance against high-temperature corrosion makes it the ideal choice for various applications in industries such as petrochemical, power generation, and aerospace. Its capacity to maintain performance and durability in challenging environments guarantees the longevity and reliability of equipment and structures, ultimately reducing maintenance and replacement expenses.

Q:How does special steel perform in abrasive wear conditions?: Special steel is designed specifically to excel in conditions of abrasive wear, thanks to its unique composition and manufacturing process. This makes it highly resistant to the harmful effects of abrasion. The inclusion of alloying elements like chromium, manganese, and molybdenum in special steel significantly boosts its hardness and toughness. These elements aid in the formation of carbides within the steel matrix, which serve as barriers against abrasion. The carbides effectively withstand the forces exerted by abrasive particles, preventing them from inflicting significant damage on the steel surface. Additionally, special steel undergoes specialized heat treatment processes like quenching and tempering, further enhancing its resistance to abrasive wear. These processes not only increase the steel's hardness but also enhance its overall toughness and durability. As a result, special steel can withstand high levels of abrasion without experiencing substantial wear or deterioration. Moreover, special steel exhibits excellent corrosion resistance, in addition to its exceptional mechanical properties. This is achieved by incorporating elements such as chromium, which creates a protective oxide layer on the steel surface. The oxide layer acts as a barrier, preventing corrosive substances from reaching the underlying steel and causing further harm. In conclusion, special steel performs exceptionally well in conditions of abrasive wear. Its distinctive composition, heat treatment processes, and corrosion resistance properties make it an ideal material for applications where abrasion is a major concern. Whether in mining, manufacturing, or other industries prone to abrasive wear, special steel offers superior performance and extended lifespan, ensuring optimal efficiency and cost-effectiveness.

Q:What are the different corrosion-resistant grades of special steel?: There are several corrosion-resistant grades of special steel that are commonly used in various industries. These grades are specifically designed to resist corrosion and maintain their structural integrity in harsh environments. Some of the different corrosion-resistant grades of special steel are: 1. Stainless Steel: Stainless steel is one of the most popular corrosion-resistant grades and is widely used in various applications. It contains a minimum of 10.5% chromium, which forms a protective passive oxide layer on the surface, preventing corrosion. There are different types of stainless steel, such as austenitic, ferritic, and martensitic, each with varying levels of corrosion resistance. 2. Duplex Stainless Steel: Duplex stainless steel is a combination of austenitic and ferritic stainless steels, offering superior corrosion resistance compared to conventional stainless steel grades. It has a high chromium content, along with other alloying elements like molybdenum and nitrogen, which enhance its resistance to pitting, crevice corrosion, and stress corrosion cracking. 3. Super Duplex Stainless Steel: Super duplex stainless steel is an even higher corrosion-resistant grade than duplex stainless steel. It has a higher chromium and molybdenum content, providing excellent resistance to highly corrosive environments, such as seawater, chemicals, and acids. Super duplex stainless steel is commonly used in offshore oil and gas industries. 4. Nickel Alloys: Nickel alloys, such as Inconel and Hastelloy, are highly corrosion-resistant grades of special steel. These alloys have a high nickel content, along with other elements like chromium and molybdenum, which make them resistant to a wide range of corrosive environments, including high-temperature and acidic conditions. 5. Titanium Alloys: Titanium alloys are known for their exceptional corrosion resistance, especially in aggressive media, such as seawater and chemical processing environments. These alloys have a 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 grades of special steel. These alloys have a protective oxide layer that forms on the surface, providing excellent resistance to atmospheric corrosion. Aluminum alloys are commonly used in marine and aerospace applications. These are just a few examples of the different corrosion-resistant grades of special steel. The selection of the appropriate grade depends on the specific corrosive environment, temperature, mechanical properties required, and other factors related to the intended application.

Q:How does special steel contribute to weight reduction in manufacturing?: Special steel contributes to weight reduction in manufacturing through its unique properties and characteristics. Special steels are designed to have high strength-to-weight ratios, allowing manufacturers to use less material while still achieving the desired strength and performance. This results in lighter and more efficient products without compromising their structural integrity. Additionally, special steels can be processed into complex shapes, enabling the production of intricate components that are both lightweight and strong. Overall, the use of special steel in manufacturing helps reduce the overall weight of products, leading to improved fuel efficiency, lower transportation costs, and increased sustainability.

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