Steel Plate3Cr2Mo/p20 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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Specification
Type:
Alloy Steel
Shape:
Steel Round Bar
Standard:
BS,DIN,JIS,ASTM,AISI,EN,API,GB
Shape:
U Channel,Round,Hexagonal,C Channel,Square
Technique:
Spring,EFW,Extruded,Forged,ERW,Cold Drawn,Cold Rolled,Hot Rolled
Steel Grade:
Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B),Q215,Q195
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Surface Treatment:
PVDF Coated,Bright,Polished,Chromed Passivation,Dry,Oiled,Color Coated,Copper Coated,Coated,Galvanized,Black
Thickness:
as required
Length:
as required
Net Weight:
as required
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: Can special steel be used for making mining equipment?
- Yes, special steel can be used for making mining equipment. Special steel refers to steel alloys that have been specifically designed and manufactured to possess certain properties and characteristics that make them suitable for specific applications. In the case of mining equipment, special steel is often used due to its exceptional strength, toughness, and resistance to wear and corrosion. Mining equipment is subjected to extreme conditions, such as heavy loads, impact, abrasion, and exposure to harsh environments. Special steel grades, such as high-strength low-alloy (HSLA) steel, tool steel, and wear-resistant steel, are commonly employed in the manufacturing of mining equipment to ensure their durability and performance under these demanding circumstances. Special steel allows mining equipment to withstand the stresses and strains encountered during excavation, hauling, and processing of minerals. It can be used for the fabrication of components like bucket teeth, drill bits, cutting edges, and crusher parts, which need to resist wear and maintain their strength even when exposed to abrasive materials. Moreover, certain types of special steel, such as stainless steel, are particularly suitable for mining operations where equipment comes into contact with corrosive substances like acids or moisture. Stainless steel exhibits excellent corrosion resistance, making it suitable for applications such as pipes, tanks, and conveyors used in mining operations. In conclusion, special steel can indeed be used for making mining equipment. Its superior strength, toughness, wear resistance, and corrosion resistance make it a preferred choice for manufacturing various components and structures used in the mining industry.
- Q: What are the different types of corrosion-resistant steel?
- There are several types of corrosion-resistant steel, including stainless steel, weathering steel, and galvanized steel. Stainless steel is the most common type, known for its high resistance to corrosion due to the presence of chromium. Weathering steel forms a protective rust-like layer, providing long-term corrosion resistance. Galvanized steel is coated with a layer of zinc, which acts as a barrier against corrosion.
- Q: What are the different surface hardening techniques for special steel parts?
- Some of the different surface hardening techniques for special steel parts include case hardening, nitriding, carburizing, induction hardening, and flame hardening.
- Q: What are the different methods for surface hardening special steel?
- There are several methods available for surface hardening special steel, each with its specific advantages and applications. Some of the commonly used methods are: 1. Carburizing: This process involves heating the steel in a carbon-rich environment, typically using a gas or liquid medium. The carbon atoms diffuse into the steel's surface, forming a high-carbon layer, which results in increased hardness. Carburizing is suitable for complex-shaped parts and provides good wear resistance. 2. Nitriding: Nitriding is a process where the steel is exposed to nitrogen-rich atmospheres at elevated temperatures. The nitrogen atoms diffuse into the steel's surface, forming nitrides, which significantly enhance the surface hardness and wear resistance. Nitriding is often used for parts requiring high fatigue strength and resistance to galling and fretting. 3. Induction hardening: Induction hardening utilizes high-frequency alternating currents to heat the steel's surface rapidly. This localized heating is followed by quenching, creating a hardened layer. Induction hardening is ideal for parts with localized wear areas or where only specific regions need to be hardened. 4. Flame hardening: Flame hardening involves heating the steel's surface to a high temperature using an oxy-fuel flame and then rapidly quenching it. This method is suitable for large and heavy parts that require deep hardening. Flame hardening provides good wear resistance and toughness. 5. Laser hardening: Laser hardening is a precise and localized surface hardening technique. A laser beam is used to heat the steel's surface, and quenching is performed afterward. This method offers high flexibility and control, making it suitable for complex geometries and small areas that require hardness improvement. 6. Carbonitriding: Carbonitriding is a combination of carburizing and nitriding processes. The steel is exposed to an atmosphere containing both carbon and nitrogen, resulting in the formation of a compound layer with improved hardness and wear resistance. Carbonitriding is commonly used for parts requiring a balance of hardness, toughness, and wear resistance. It is important to note that the selection of the appropriate surface hardening method depends on factors such as the specific steel composition, desired hardness depth, part geometry, intended application, and cost considerations.
- Q: What are the different methods of improving the corrosion resistance of special steel?
- Improving the corrosion resistance of special steel can be accomplished through several available methods. Some commonly utilized techniques include: 1. Alloying: Enhancing corrosion resistance can be effectively achieved by alloying the steel with specific elements. For instance, the addition of chromium forms a protective chromium oxide layer on the surface, acting as a barrier against corrosion. Other elements such as molybdenum, nickel, and copper can also be incorporated to enhance corrosion resistance. 2. Surface treatments: Various surface treatments can be employed to augment the steel's corrosion resistance. Galvanizing, for example, involves coating the steel with a layer of zinc, providing protection against corrosion. Another method, electroplating, deposits a thin layer of a more corrosion-resistant metal like nickel or chromium onto the steel surface. 3. Passivation: Passivation is a chemical process that eliminates free iron and other contaminants from the steel surface, resulting in the creation of a passive film that aids in corrosion resistance. This method is frequently used for stainless steel, in which a thin layer of chromium oxide is formed by treating the steel with an oxidizing agent such as nitric acid. 4. Protective coatings: The application of protective coatings on the steel surface significantly enhances its corrosion resistance. Various types of coatings, such as paints, epoxy coatings, and ceramic coatings, act as a barrier between the steel and the corrosive environment, preventing direct contact and corrosion. 5. Heat treatment: Heat treatment techniques, including annealing, quenching, and tempering, can alter the steel's microstructure, thereby enhancing its corrosion resistance. Heat treatment improves the steel's mechanical properties, reduces residual stresses, and eliminates impurities, all of which contribute to better corrosion resistance. 6. Design considerations: Proper design and construction techniques play a crucial role in improving the corrosion resistance of special steel. For instance, the elimination of sharp corners and crevices, the use of appropriate drainage systems, and ensuring proper ventilation can prevent the accumulation of moisture and corrosive agents. It is important to note that the selection of the most suitable method depends on the specific application, environment, and desired level of corrosion resistance. Optimal results can often be achieved by employing a combination of these methods.
- Q: What are the properties of creep-resistant steel?
- Creep-resistant steel is a type of steel that possesses certain properties to resist deformation under high temperatures and prolonged stress. These properties include high creep strength, which allows the steel to maintain its structural integrity even at elevated temperatures over long periods of time. Additionally, it has good resistance to creep rupture, meaning it can withstand high stress levels without fracturing. Creep-resistant steel also exhibits good thermal stability, low thermal expansion, and high resistance to corrosion, making it suitable for applications in industries such as power generation, oil and gas, and aerospace.
- Q: What are the main applications of special steel in the chemical industry?
- Special steel is widely used in the chemical industry due to its excellent properties such as corrosion resistance, high temperature resistance, and strength. It is primarily used in the construction of chemical processing equipment, including reactors, pipes, valves, and storage tanks. Special steel ensures the safe and efficient handling of corrosive chemicals, as well as the prevention of leaks and contamination. Additionally, it is utilized in the production of catalysts, which play a crucial role in various chemical reactions. Overall, special steel enables the chemical industry to maintain high product quality, operational efficiency, and safety standards.
- Q: How is corrosion-resistant stainless tool steel used in the production of food processing equipment?
- Corrosion-resistant stainless tool steel is used in the production of food processing equipment due to its ability to resist rust and corrosion caused by exposure to moisture, chemicals, and food acids. This steel is specifically designed to withstand the harsh conditions present in food processing environments, ensuring the equipment remains durable and hygienic. It is commonly used to manufacture blades, cutting tools, and various components of machines that come into direct contact with food. Its corrosion-resistant properties make it a reliable and safe choice for maintaining the quality and integrity of food during processing.
- Q: How does special steel contribute to the electrical resistance of products?
- There are several ways in which special steel can contribute to the electrical resistance of products. To begin with, special steel can be customized in terms of its composition to possess specific electrical properties, such as resistivity. By carefully choosing the appropriate alloys and adjusting the carbon content, special steel can be made to have a higher resistivity compared to regular steel or other materials. This increased resistivity is advantageous in situations where electrical conductivity needs to be restricted. For instance, in electrical wiring, the utilization of special steel with higher resistivity can help prevent excessive current flow, thereby reducing the risk of overheating and potential electrical hazards. Similarly, in electrical resistors, special steel can be employed to achieve the desired level of resistance, allowing for controlled current flow and energy dissipation. Moreover, special steel can also contribute to electrical resistance through its physical properties. The microstructure of special steel can be engineered to enhance its resistance to the flow of electrical current. For example, the introduction of certain alloying elements or the implementation of specific heat treatment processes can generate a fine-grained structure or create barriers to the movement of electrons, ultimately increasing the overall resistance. Additionally, special steel finds application in the production of electrical contact materials. These materials must possess specific electrical and mechanical properties to ensure reliable and efficient electrical connections. Special steel alloys can offer high electrical conductivity while also exhibiting resistance to corrosion, wear, and deformation, thereby contributing to the overall electrical resistance of the product. In conclusion, special steel contributes to the electrical resistance of products through its tailor-made composition, which provides higher resistivity compared to regular steel. Furthermore, the microstructure of special steel can be modified to enhance its resistance to electrical current flow. Whether it is employed to limit current flow, control resistance, or create dependable electrical contacts, special steel plays a crucial role in a variety of electrical applications.
- Q: What are the main properties of special steel?
- Special steel, also known as alloy steel, possesses several key properties that set it apart from regular steel. Firstly, it exhibits exceptional strength and hardness, making it highly resistant to wear, impact, and deformation. Additionally, special steel offers excellent corrosion resistance, ensuring durability and longevity in various environments. It also demonstrates superior heat resistance, allowing it to withstand high temperatures without losing its structural integrity. Lastly, special steel offers excellent machinability, enabling it to be easily shaped, fabricated, and processed into a wide range of components and structures.
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Steel Plate3Cr2Mo/p20 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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