3Cr2Mo Die Steel Special Steel Alloy Steel
- Ref Price:
-
- 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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Item specifice
Type:
Alloy Steel
Shape:
Steel Round Bar
Standard:
GB,JIS,ASTM,AISI,EN,API,DIN,BS
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,PVDF Coated,Black
Thickness:
as required
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Length:
as required
Net Weight:
as required
Specifications
1.ISO9001:2008 certificate
2.Competive price and Best quality
3.On-time delivery
Chemical Composition(GB)%
C | Si | Mn | Cr | Mo | S | P |
0.34 | 0.5 | 0.8 | 1.7 | 0.42 | ≤0.030 | ≤0.030 |
Standard
GB | ASTM | DIN |
3Cr2Mo | P20 | 1.2311 |
Available Size
Rolled Plate:20-400mm×610mm×L
Heat Treatment
Item | Temperature℃ | Hardness |
Anneal | 710-740 | ≤220HB |
Quenching | 850-880 | 52-55HRC |
Tempering | 580-630 | 28-35HRC |
Characterstics
1.Good comprehensive mechanical properties
2.excellent polishing performance and weld reapiring propery
Applications: Suitable for large or medium sized and precise plastic moulds
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.
We'll reply you in our first priority within 24 hours.
- Q:How does special steel perform in high-speed machining operations?
- Special steel is specifically designed to perform well in high-speed machining operations. It has unique properties that make it ideal for cutting, drilling, and shaping at high speeds. Firstly, special steel has excellent thermal conductivity, which means it can effectively dissipate heat generated during the machining process. This is crucial in high-speed operations as excessive heat can cause tool wear and deformation. By efficiently transferring heat away from the cutting edge, special steel helps to prolong tool life and maintain dimensional accuracy. Secondly, special steel has high hardness and strength, which allows it to withstand the intense forces and pressures encountered during high-speed machining. This enables it to maintain its shape and integrity, reducing the chances of tool breakage or deformation. Moreover, its high strength also ensures that the machined parts have excellent durability and resistance to wear. In addition, special steel exhibits good machinability, meaning it can be easily cut and shaped with minimal effort. Its composition and microstructure are optimized for efficient chip formation and removal, ensuring smooth operations and reducing the risk of chip clogging or tool jamming. Furthermore, special steel often contains alloying elements such as chromium, molybdenum, and vanadium, which enhance its resistance to corrosion and wear. This is particularly important in high-speed machining operations, where the cutting tools and workpiece are in constant contact. The improved corrosion and wear resistance of special steel contribute to longer tool life and improved surface finish. Overall, special steel is specifically engineered to excel in high-speed machining operations. Its thermal conductivity, hardness, strength, machinability, and resistance to corrosion and wear make it a preferred choice for applications that require fast and precise metal removal.
- Q:What are the different corrosion protection methods used for special steel?
- To ensure the durability and longevity of special steel, various methods are employed for corrosion protection. These methods encompass: 1. Coatings: The application of diverse coatings, including paint, epoxy, or zinc, creates a protective layer on the steel surface. Such coatings function as barriers, preventing direct contact between moisture, corrosive elements, and the steel. 2. Galvanization: By coating the steel with a layer of zinc through the process of galvanization, a sacrificial barrier is formed wherein the zinc corrodes instead of the steel. Galvanized steel is commonly utilized in outdoor applications such as fences, poles, and roofing. 3. Stainless steel: Special steel can be manufactured using stainless steel, which contains a high percentage of chromium. The presence of chromium results in the formation of a passive layer on the steel's surface, endowing it with excellent corrosion resistance. Stainless steel finds wide usage in industries like construction, food processing, and medical equipment. 4. Cathodic protection: This method involves the creation of an electrical current or the utilization of sacrificial anodes to protect the steel. By introducing a more reactive metal (sacrificial anode) or applying an electrical current, corrosion is minimized as the reactive metal corrodes instead of the steel. 5. Alloying: Modifying the steel's composition by incorporating elements like nickel, molybdenum, or copper can enhance its resistance to corrosion. These alloying elements form a protective layer on the surface, rendering the steel more resistant to rust and other forms of corrosion. 6. Passivation: Passivation is a chemical process that eliminates free iron from the steel's surface, leading to the formation of a protective oxide layer. This layer acts as a barrier against corrosion, augmenting the steel's resistance to rust and other forms of corrosion. 7. Proper maintenance: Regular inspection, cleaning, and maintenance of special steel play a vital role in preventing corrosion. The removal of dirt, debris, and other contaminants from the steel's surface aids in preserving its protective coatings and averting corrosion. It is crucial to select the appropriate corrosion protection method based on the specific application and environmental conditions to ensure the long-term performance and durability of special steel.
- Q:Can special steel be used in the transportation industry?
- Yes, special steel can be used in the transportation industry. Special steel alloys, such as stainless steel and high-strength steel, offer superior strength, corrosion resistance, and durability, making them suitable for various applications in transportation. These steels are commonly used in the production of automotive components, aircraft parts, railway infrastructure, and ships, enhancing safety and performance in the transportation sector.
- Q:Can special steel be used in the production of consumer goods?
- Yes, special steel can be used in the production of consumer goods. Special steel refers to steel alloys that have been specifically formulated to have unique properties, such as high strength, corrosion resistance, or heat resistance. These properties make special steel suitable for a wide range of consumer goods that require durability, strength, or resistance to wear and tear. For example, special steel can be used in the production of kitchen appliances like knives and cookware, where high strength and corrosion resistance are important. It can also be used in the manufacturing of consumer electronics, such as smartphones and laptops, where the steel may be used in the casing or internal components to provide structural integrity and protection. Furthermore, special steel is commonly used in the automotive industry for the production of various consumer goods like bicycles, motorcycles, and cars. The steel's high strength and lightweight properties make it ideal for creating strong and durable vehicle frames, engine components, and other parts. In summary, special steel can indeed be used in the production of consumer goods, as its unique properties make it suitable for applications where strength, durability, and resistance to corrosion or wear are essential.
- Q:How does special steel perform in high-temperature fatigue resistance?
- Special steel is known for its excellent performance in high-temperature fatigue resistance. Unlike ordinary steel, special steel contains alloying elements such as chromium, nickel, and molybdenum, which enhance its mechanical properties and resistance to fatigue at elevated temperatures. At high temperatures, the microstructure of special steel undergoes significant changes, which can lead to the initiation and propagation of cracks. However, the presence of alloying elements in special steel helps to stabilize the microstructure, preventing the formation and growth of cracks. This ensures that the material can withstand cyclic loading and retain its structural integrity even under extreme temperature conditions. Additionally, special steel exhibits superior heat resistance, which allows it to maintain its mechanical strength and hardness at high temperatures. This property is crucial in applications where components are subjected to repetitive thermal cycles or exposed to continuous high temperatures, such as in gas turbines, power plants, and aerospace engines. Furthermore, the high-temperature fatigue resistance of special steel is also influenced by its composition and heat treatment. Through precise control of the alloying elements and appropriate heat treatment processes, the material's fatigue life and resistance to thermal fatigue can be further enhanced. In conclusion, special steel performs exceptionally well in high-temperature fatigue resistance due to its unique composition and microstructure. Its ability to withstand cyclic loading, maintain mechanical properties, and resist crack formation under extreme temperature conditions makes it a preferred choice for demanding applications in various industries.
- Q:Can special steel be used in the production of gears?
- Yes, special steel can be used in the production of gears. Special steel, such as alloy steel or tool steel, is often preferred in gear manufacturing due to its high strength, wear resistance, and ability to withstand heavy loads and high temperatures. This steel type ensures gears have the necessary durability and performance required for various applications.
- Q:Can special steel be used in the appliance manufacturing industry?
- Yes, special steel can be used in the appliance manufacturing industry. Special steel, such as stainless steel or heat-resistant steel, offers superior strength, durability, and corrosion resistance, making it suitable for various appliance components like oven interiors, refrigerator doors, or dishwasher racks. Its properties enhance the overall performance and longevity of appliances, ensuring high-quality products for consumers.
- Q:What are the properties of low-alloy steel?
- Low-alloy steel is a type of steel that has a relatively low amount of alloying elements, typically less than 5%. It possesses several properties that make it suitable for various applications. Low-alloy steel is known for its high strength, toughness, and durability, making it resistant to wear, fatigue, and impact. It also exhibits good weldability and machinability, allowing for easy fabrication and forming. Additionally, low-alloy steel has excellent corrosion resistance due to the presence of alloying elements, such as chromium, nickel, and molybdenum. Overall, the properties of low-alloy steel make it a versatile material used in industries such as construction, automotive, and manufacturing.
- Q:What are the requirements for special steel used in aerospace defense applications?
- The requirements for special steel used in aerospace defense applications are quite stringent due to the critical nature of these applications. Some of the key requirements include: 1. High strength: Special steel used in aerospace defense applications must possess high strength to withstand extreme conditions and loads. This is essential for ensuring the structural integrity of aircraft and defense equipment. 2. Excellent corrosion resistance: Aerospace defense applications often expose the steel to harsh environments, including moisture, saltwater, and chemicals. Therefore, the steel must have exceptional corrosion resistance to prevent degradation and maintain its performance over time. 3. High temperature resistance: Special steel used in aerospace defense applications must have the ability to withstand high temperatures without losing its mechanical properties. This is crucial for components that operate in high-temperature environments, such as jet engines and rocket nozzles. 4. Fatigue resistance: The steel should be able to resist fatigue failure caused by cyclic loading, as aerospace defense applications often involve repeated stress cycles. Fatigue resistance ensures that the steel can endure long service lives without failure. 5. Lightweight: Weight reduction is a critical factor in aerospace defense applications to enhance fuel efficiency, increase payload capacity, and improve overall performance. Therefore, the special steel used should have a high strength-to-weight ratio, allowing for lighter structures without compromising strength. 6. High purity and cleanliness: The steel used in aerospace defense applications must have a high level of purity and cleanliness to minimize the presence of impurities and defects. This is crucial to ensure the reliability and longevity of the steel in demanding operational conditions. 7. Compatibility with other materials: Special steel used in aerospace defense applications should be compatible with other materials commonly used in these applications, such as aluminum alloys and composite materials. Compatibility ensures a reliable and efficient integration of different components and structures. Meeting these requirements often involves using advanced manufacturing techniques, such as vacuum melting, precise alloying, and heat treatment processes, to achieve the desired properties. Additionally, strict quality control measures, including non-destructive testing and material certification, are crucial to ensure the performance and reliability of special steel in aerospace defense applications.
- Q:What are the different methods of preventing stress relaxation in special steel?
- There are several methods of preventing stress relaxation in special steel. One method is through heat treatment, specifically through the process of annealing. Annealing involves heating the steel to a specific temperature and then slowly cooling it down. This process helps to relieve internal stresses within the steel and prevent stress relaxation. Another method is through the use of stress relieving techniques. These techniques involve applying controlled amounts of stress to the steel, typically through cold working or mechanical deformation. By doing so, the steel is able to release any built-up stress and prevent relaxation over time. Additionally, the use of alloying elements can also help prevent stress relaxation in special steel. Certain alloying elements, such as molybdenum and chromium, can improve the steel's resistance to stress relaxation by enhancing its strength and stability. Lastly, proper design and engineering of components can also play a role in preventing stress relaxation. By considering factors such as load distribution, material thickness, and stress concentration points, engineers can minimize the risk of stress relaxation in special steel applications. Overall, a combination of heat treatment, stress relieving techniques, alloying elements, and thoughtful design can be employed to prevent stress relaxation in special steel.
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3Cr2Mo Die Steel Special Steel Alloy Steel
- Ref Price:
-
- 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
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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