3Cr2MnNiMo Tool Steel Special Steel Alloy Steel
- 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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Specification
Chemical Composition(GB)%
C | Si | Mn | Cr | Ni | Mo | P | S |
0.32-0.40 | 0.20-0.40 | 1.10-1.50 | 1.70-2.00 | 0.85-1.10 | 0.25-0.40 | ≤0.030 | ≤0.030 |
Standard
GB | ASSAB | DIN | ISO |
3Cr2MnNiMo | 718 | 1.2738 | 40CrMnNiMo8-6-4 |
Available Size
Rolled plate | 12-90mm×610mm×L |
Heat Treatment
Processing | Temperature ℃ | Hardness |
Anneal | 690-710 | ≤220HB |
Quenching | 830-870 | 48-52HRC |
Tempering | 580-650 | 28-35HRC |
Characterstics
Characteristics | |||||
1.High hardening ability | |||||
2.Excellent polishing performance and smoothness |
Applications: Suitable for large size mirror dies,automobile tail lights,domestic electrical applicances,etc
1, Your advantages?
professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale
2, Test & Certificate?
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem
3, Payment Terms?
30% TT as deposit and 70% before delivery.
Irrevocable L/C at sight.
4, Trading Terms?
EXW, FOB, CIF, FFR, CNF
6, After-sale Service?
We provides the services and support you need for every step of our cooperation. We're the business partner you can trust.
For any problem, please kindly contact us at any your convenient time.
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- Q: Can special steel be used for manufacturing tools?
- Certainly, tools can be manufactured using special steel. Special steel refers to a specific type of steel that is meticulously engineered and designed to possess unique properties and characteristics. These properties make it well-suited for specific applications, such as manufacturing tools. In fact, special steel is often preferred for tool production due to its exceptional strength, hardness, and durability. These qualities allow tools made from special steel to withstand high levels of stress, wear, and impact. Consequently, they are ideal for demanding tasks like cutting, drilling, shaping, and machining. Additionally, special steel also exhibits excellent heat resistance, corrosion resistance, and dimensional stability. These additional attributes further enhance its suitability for tool manufacturing. Overall, the use of special steel in tool production guarantees the creation of top-quality, long-lasting, and efficient tools capable of effectively performing various tasks across different industries.
- Q: How is special steel heat treated?
- Special steel is heat treated using a combination of heating and cooling processes to enhance its mechanical properties. This typically involves heating the steel to a specific temperature and holding it there for a designated period of time, followed by rapid cooling or quenching. The heat treatment process can vary depending on the desired outcome, such as improving hardness, strength, or toughness, and may also involve additional steps like tempering or annealing.
- Q: What are the different techniques used for joining special steel?
- Some of the different techniques used for joining special steel include welding, brazing, soldering, and mechanical fastening. Welding involves melting the surfaces of the steel pieces to be joined and fusing them together. Brazing and soldering involve using a filler material that melts at a lower temperature than the steel to join the pieces together. Mechanical fastening techniques, such as bolts, screws, or rivets, can also be used to join special steel components together.
- Q: How is high-strength alloy steel used in the production of structural components?
- High-strength alloy steel is used in the production of structural components due to its exceptional strength-to-weight ratio and durability. It provides enhanced load-bearing capabilities, allowing for the construction of lighter yet stronger structures. This steel is commonly utilized in manufacturing beams, columns, and other vital components of buildings, bridges, and infrastructure projects, ensuring the structural integrity and safety of these constructions.
- Q: How does special steel contribute to the oil and gas aftermarket industry?
- Special steel plays a crucial role in the oil and gas aftermarket industry due to its unique properties and capabilities. Firstly, special steel is highly resistant to corrosion, making it ideal for use in the harsh and corrosive environments commonly found in the oil and gas sector. This resistance to corrosion ensures that the equipment and components made from special steel have a longer lifespan, reducing the need for frequent replacements and maintenance. Additionally, special steel offers high strength and durability, allowing it to withstand the extreme pressures and temperatures encountered in oil and gas operations. This strength ensures that the equipment and components made from special steel can operate reliably and efficiently, even under demanding conditions. Moreover, special steel can be tailored to meet the specific needs of the oil and gas industry. With its various grades and compositions, special steel can be customized to possess specific properties such as resistance to sulfide stress cracking, hydrogen embrittlement, and high-temperature oxidation. These customized properties make special steel suitable for critical applications such as wellheads, pipelines, valves, and other equipment used in the oil and gas aftermarket industry. Furthermore, special steel enables the production of complex and intricate components that are essential for the oil and gas sector. Its excellent machinability and weldability allow for the creation of precision-engineered parts, ensuring the efficient and reliable operation of oil and gas equipment. In summary, special steel contributes significantly to the oil and gas aftermarket industry by providing corrosion resistance, high strength, durability, customization options, and the ability to manufacture intricate components. These properties make special steel indispensable in ensuring the safety, reliability, and efficiency of operations in the oil and gas sector.
- Q: Can special steel be used in the manufacturing of firearms?
- Special steel is unquestionably applicable for firearm production. In truth, it is frequently favored for this purpose owing to its distinct properties that render it apt for enduring high temperatures, pressures, and stress. Firearms necessitate materials that possess strength, durability, and the capability to withstand the immense forces generated during firing. Special steel alloys, such as stainless steel or heat-treated steel, provide these desired traits and are extensively employed in fabricating firearm barrels, receivers, and other crucial constituents. The incorporation of special steel in firearm manufacturing guarantees the dependability, safety, and consistent performance of these weapons in diverse conditions.
- Q: What are the properties of wear-resistant tool steel?
- Wear-resistant tool steel is characterized by its high hardness, strength, and resistance to abrasion and wear. It has a high carbon content, typically ranging from 0.7% to 1.5%, which contributes to its hardness and wear resistance. This type of steel is also known for its ability to retain its hardness even at high temperatures, making it suitable for applications that involve friction and heat. Additionally, wear-resistant tool steel usually exhibits good toughness and machinability, allowing it to withstand heavy usage and be easily shaped into various tool forms.
- Q: What is the process of manufacturing special steel?
- The process of manufacturing special steel involves several steps to ensure the production of high-quality and durable steel with specific properties. 1. Raw Materials Selection: The first step is to carefully select the raw materials required for making special steel. This includes iron ore, coal, and other alloying materials such as chromium, nickel, and manganese, depending on the desired properties of the final product. 2. Melting: The selected raw materials are then melted in a large furnace, often through the use of electric arc furnaces or basic oxygen furnaces. These furnaces heat the raw materials to extremely high temperatures, typically around 1,600 to 2,000 degrees Celsius, to transform them into molten metal. 3. Refining: Once the raw materials are melted, the molten metal undergoes a refining process to remove impurities. This is done through techniques like degassing, desulphurization, and deoxidation, ensuring that the steel is free from unwanted elements that may negatively impact its properties. 4. Alloying: After refining, alloying elements are added to the molten metal to achieve the desired properties. These elements can modify the steel's strength, hardness, corrosion resistance, and other characteristics. The specific alloying elements and their proportions depend on the intended application of the special steel. 5. Continuous Casting: The molten steel is then poured into a continuous casting machine, which solidifies it into semi-finished products called billets, blooms, or slabs. This continuous casting process ensures a consistent and uniform structure throughout the steel. 6. Hot Rolling: The semi-finished products are then reheated and passed through a series of hot rolling mills. This process involves reducing the thickness and shaping the steel into various forms such as bars, rods, plates, or sheets, depending on the intended use. 7. Heat Treatment: After hot rolling, the steel may undergo heat treatment processes such as annealing, quenching, tempering, or case hardening. These treatments help to further enhance the mechanical properties of the steel, such as its hardness, toughness, and ductility. 8. Finishing: The final step involves surface finishing and quality control measures. The steel is inspected for any defects or imperfections that may have occurred during the manufacturing process. Surface treatments like pickling or galvanizing can also be applied to enhance the steel's appearance and protect it from corrosion. Overall, the process of manufacturing special steel is a complex and precise operation that requires careful selection of raw materials, melting, refining, alloying, continuous casting, hot rolling, heat treatment, and finishing. This ensures that the resulting steel meets the specific requirements and performance characteristics demanded by various industries.
- Q: How does special steel perform in high-temperature creep conditions?
- Special steel is specifically designed and engineered to perform exceptionally well in high-temperature creep conditions. It exhibits remarkable resistance to deformation and maintains its mechanical properties even at elevated temperatures, making it highly reliable and suitable for applications that require stability and strength in such environments.
- Q: What are the different heat treatment grades of special steel?
- There are several heat treatment grades of special steel, including annealed, normalized, quenched and tempered, and hardened and tempered.
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3Cr2MnNiMo Tool Steel Special Steel Alloy Steel
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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