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: What are the different surface finishing methods used for special steel?
- There are several surface finishing methods used for special steel, each serving a specific purpose and achieving different results. Some of the common surface finishing methods for special steel include: 1. Grinding: Grinding is the process of using abrasive materials to remove excess material from the surface of the steel. It is typically used to achieve a smooth and polished finish, as well as to remove any imperfections or roughness. 2. Polishing: Polishing involves using polishing compounds and abrasive materials to create a smooth and shiny surface on the steel. This method is often used to enhance the aesthetic appeal of the steel and improve its corrosion resistance. 3. Shot blasting: Shot blasting is a technique that involves propelling small metal or mineral particles at high speeds onto the surface of the steel. This process helps to remove any contaminants, scale, or rust from the surface, resulting in a clean and uniform finish. 4. Electroplating: Electroplating is a process where a thin layer of metal is deposited onto the surface of the steel through an electrochemical reaction. This method is commonly used to enhance the appearance of the steel, improve its corrosion resistance, and provide a decorative or protective coating. 5. Passivation: Passivation is a chemical process that involves treating the surface of the steel with an acid solution to remove any impurities and create a passive, corrosion-resistant layer. This method is often used to improve the corrosion resistance of stainless steel and other alloys. 6. Coating: Coating is the process of applying a protective layer or coating onto the surface of the steel. This can include paints, lacquers, enamels, or other types of protective coatings that help to prevent corrosion, improve durability, or provide a specific aesthetic finish. It is important to note that the choice of surface finishing method for special steel depends on the desired outcome, such as aesthetics, corrosion resistance, or functionality. Additionally, the specific characteristics of the steel, such as its composition, hardness, and intended application, also play a significant role in determining the most suitable surface finishing method.
- Q: What are the properties of ultra-high-strength alloy steel?
- Ultra-high-strength alloy steel possesses exceptional strength and durability due to its unique composition. It typically contains a combination of various metals, such as chromium, nickel, and molybdenum, which contribute to its enhanced mechanical properties. This type of steel exhibits superior tensile strength, allowing it to withstand extremely high loads and resist deformation. Additionally, it offers excellent toughness, meaning it can absorb energy without fracturing. Ultra-high-strength alloy steel also exhibits good corrosion resistance, making it suitable for applications in harsh environments. Overall, its remarkable properties make it an ideal choice for demanding engineering and structural applications.
- Q: How is special steel used in the production of aircraft landing gear?
- Special steel is used in the production of aircraft landing gear due to its high strength, durability, and resistance to fatigue. It helps ensure the landing gear can withstand the stress and impact forces experienced during takeoff, landing, and taxiing. Additionally, special steel alloys are used to create components with precise dimensions and superior corrosion resistance, ensuring the landing gear performs reliably in various environmental conditions.
- Q: How does special steel perform in surface hardening applications?
- Special steel performs exceptionally well in surface hardening applications. Due to its unique composition and properties, it can undergo various surface hardening processes like carburizing or nitriding, resulting in enhanced surface hardness, wear resistance, and overall durability. This makes special steel an ideal choice for applications where high strength and improved surface properties are required, such as in automotive components, cutting tools, or industrial machinery.
- Q: How does special steel perform in hydrogen embrittlement conditions?
- Special steel, known by other names like high-strength steel or alloy steel, possesses remarkable resistance to conditions that cause hydrogen embrittlement. Hydrogen embrittlement occurs when hydrogen atoms infiltrate the metallic lattice structure, causing it to become brittle and prone to fractures when subjected to stress. Given their distinct composition and microstructure, special steels are engineered to endure harsh environments, including those susceptible to hydrogen embrittlement. These steels often contain alloying elements such as nickel, chromium, and molybdenum, which enhance their ability to withstand cracking induced by hydrogen. The presence of these alloying elements in special steel facilitates the development of protective oxide layers on the steel's surface. These layers act as a barrier, preventing hydrogen atoms from diffusing into the metal matrix. Moreover, these elements can capture and bind hydrogen atoms, reducing their mobility and minimizing their negative impact on the steel's mechanical properties. Furthermore, special steels frequently undergo diverse heat treatments and processing techniques, like quenching and tempering, to further enhance their resistance to hydrogen embrittlement. These processes refine the steel's microstructure, enhancing its strength, toughness, and ductility while minimizing the risk of hydrogen-induced cracking. In general, special steel outperforms standard steels in hydrogen embrittlement conditions. Its unique composition, microstructure, and processing techniques make it highly resilient to the detrimental effects of hydrogen atoms. As a result, special steel ensures the structural integrity and reliability of components and structures operating in hydrogen-rich environments.
- Q: How is special steel used in the production of automotive springs?
- Automotive springs, including suspension springs and valve springs, require special steel due to its unique properties that make it perfect for this purpose. Special steel, also called alloy steel, is specifically designed to have superior mechanical properties compared to regular steel. By adding alloying elements like chromium, nickel, or molybdenum, its strength, hardness, and resistance to wear and fatigue are improved. When it comes to producing automotive springs, special steel is used to create springs capable of withstanding the demanding conditions of the vehicle's suspension system. These springs must not only absorb and distribute the vehicle's weight but also provide a smooth and comfortable ride. The exceptional strength of special steel allows automotive springs to handle heavy loads without deforming or breaking. This is crucial for maintaining vehicle stability and safety, especially on rough roads or when carrying heavy loads. Furthermore, special steel's fatigue resistance is vital in the production of automotive springs. Over the vehicle's lifespan, these springs undergo millions of compression and expansion cycles. The fatigue resistance of special steel ensures that the springs can maintain their performance and reliability over an extended period. Moreover, special steel's resistance to wear and corrosion is highly advantageous in automotive applications. Springs are exposed to various environmental elements like moisture, dirt, and chemicals, which can cause corrosion and deterioration. The corrosion resistance of special steel helps prolong the lifespan of automotive springs and maintains their functionality. In conclusion, the use of special steel in manufacturing automotive springs guarantees that these crucial components can endure heavy loads, repetitive stress, and high temperatures. Its superior mechanical properties, including strength, fatigue resistance, and corrosion resistance, make it the ideal material for automotive springs, enhancing the overall performance and durability of vehicles.
- Q: How does special steel perform in high-temperature oxidation resistance?
- Special steel is specifically designed to have excellent high-temperature oxidation resistance. This type of steel contains alloying elements such as chromium, aluminum, and silicon, which form a protective oxide layer on the surface when exposed to high temperatures. This oxide layer acts as a barrier, preventing further oxidation and corrosion of the steel. The high-temperature oxidation resistance of special steel is crucial in applications where the material is exposed to extreme heat and oxidation, such as in gas turbines, heat exchangers, and furnaces. The protective oxide layer helps to maintain the integrity and strength of the steel, even under harsh conditions. Furthermore, special steel also exhibits excellent creep resistance at high temperatures. Creep refers to the gradual deformation of a material under a constant load and elevated temperatures. The unique composition of special steel provides it with the ability to resist creep deformation, enhancing its overall performance and reliability in high-temperature environments. In conclusion, special steel performs exceptionally well in high-temperature oxidation resistance due to its alloying elements and the formation of a protective oxide layer. Its ability to resist oxidation and maintain its structural integrity at elevated temperatures makes it a preferred choice for various industrial applications.
- Q: How is special steel used in the textile supply chain?
- Special steel is used in various ways in the textile supply chain. It is commonly utilized in the production of textile machinery such as spinning frames, looms, and knitting machines. Special steel components are crucial for ensuring the smooth operation and durability of these machines, allowing for efficient and high-quality textile production. Additionally, special steel is used in the manufacturing of textile cutting tools, needles, and other accessories, which play an important role in the fabric cutting and sewing processes. Overall, special steel's strength, resilience, and precision make it an essential material in the textile supply chain.
- Q: How does special steel perform in corrosive environments?
- Special steel is specifically designed to perform well in corrosive environments. It is made with a higher content of alloying elements such as chromium, which forms a protective oxide layer on the surface of the steel. This oxide layer acts as a barrier, preventing the steel from coming into direct contact with the corrosive elements in the environment. Additionally, special steel may also contain other alloying elements such as molybdenum, nickel, or copper, which further enhance its resistance to corrosion. These elements help to increase the steel's ability to withstand pitting, crevice corrosion, and stress corrosion cracking, which are common types of corrosion that occur in corrosive environments. Furthermore, special steel is often treated with various surface coatings or finishes that provide additional protection against corrosion. These coatings can include zinc, epoxy, or polymeric materials, which create an additional barrier between the steel and the corrosive elements. In summary, special steel performs exceptionally well in corrosive environments due to its high content of alloying elements, protective oxide layer, and additional surface coatings. It offers excellent resistance to various forms of corrosion and ensures the longevity and reliability of structures or equipment operating in such environments.
- Q: What are the different carburizing techniques used for special steel?
- There are several carburizing techniques used for special steel, including pack carburizing, gas carburizing, and vacuum carburizing. Pack carburizing involves placing the steel in a container with a carbon-rich material, such as charcoal or coke, and heating it to high temperatures. Gas carburizing involves introducing a carbon-rich gas, such as methane or propane, into a furnace where the steel is heated. Vacuum carburizing utilizes a low-pressure atmosphere to introduce carbon into the steel at high temperatures. Each technique has its own advantages and is chosen based on factors such as desired depth of carburization, time constraints, and the type of steel being treated.
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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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