Alloy Steel Cr40,Steel Material,40cr Steel Specification
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 30 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
You Might Also Like
Specification
Type:
Alloy Steel
Shape:
Steel Round Bar
Alloy Steel Cr40,Steel Material,40cr Steel Specification
Product information:
| Alloy Steel Cr40,Steel Material,40cr Steel Specification | |||||||||
| 1.Specifications of 40Cr Steel | |||||||||
| Round bar | Diameter(mm) | Length (mm) | |||||||
| 20~800 | 3000~5800 | ||||||||
| Plate | Thickness(mm) | Width (mm) | Length (mm) | ||||||
| Max:800 | 205~800 | 2000~4000 | |||||||
| The specification can be customized. | |||||||||
| 2.Chemical compositon(%) of 40Cr Steel | |||||||||
| Standard | C | Mn | Si | Cr | Mo | P | S | ||
| Number | Ni | ||||||||
| GB | 42CrMo | 0.38~0.45 | 0.50~0.8 | 0.17~0.37 | 0.9~1.2 | 0.15~0.25 | ≤0.035 | ≤0.035 | ≤0.3 |
| AISI | 4140 | 0.40~0.45 | 0.75~1.0 | 0.15~0.35 | 0.8~1.1 | 0.15~0.25 | ≤0.035 | ≤0.040 | |
| JIS | SCM440 | 0.38~0.43 | 0.60~0.9 | 0.15~0.35 | 0.9~1.2 | 0.15~0.30 | ≤0.030 | ≤0.030 | ≤0.25 |
| EN (DIN) | 1.7225 | 0.38~0.45 | 0.60~0.9 | ≤0.40 | 0.9~1.2 | 0.15~0.30 | ≤0.025 | ≤0.035 | |
| 4.Heat treatment of 40Cr Steel | |||||||||
| Forging:1100~900°C | |||||||||
| Normalization:860~880°C | |||||||||
| Subcritical annealing:680~720°C | |||||||||
| Isothermal annealing:830~900 670x3h°C | |||||||||
| Hardening:830~860 oil | |||||||||
| Tempering:550~650°C | |||||||||
| 5.Machanical Properties | |||||||||
| Tensile str. (N/mm2):1080 | |||||||||
| Yield point (N/mm2):930 | |||||||||
| Elongation (%):12 | |||||||||
| Contraction (%):45 | |||||||||
| Impack work (J/cm2):63 | |||||||||
| Hardness (HB):217 | |||||||||
| 5.Characteristic of 40Cr Steel | |||||||||
| Chromium molybdenum high tensile steel with yield strength of 550N/mm2. | |||||||||
| Chromium renders steel oil hardenable and increase hardenability. | |||||||||
| Weldability suffers with increasing chromium content. | |||||||||
| High temperature strength and high pressure hydrogenation properties are | |||||||||
| promoted by chromium and molybdenum. | |||||||||
| Molybdenum significantly reduces temper brittleness. | |||||||||
Product show
Workshop show
Our service:
-High manufacturing accuracy
-High strength
-Small inertia resistance
-Strong heat dissipation ability
-Good visual effect
-Reasonable price
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer's trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.
40Cr steel, is a high quality alloy structural steel. The main components are 0.37-0.44 Si 0.17-0.37 Mn 0.50-0.80 Cr 0.80-1.10 C.
40Cr steel is used as a mechanical part and a variety of engineering components and contains one or more of the alloy elements of a certain amount of steel.This kind of steel is suitable for the heat treatment of metal, and the microstructure is uniform, bainite, or very fine pearlite after heat treatment.
So the 40Cr steel with wear consumption, chemical corrosion resistance, tensile strength, high elasticity, high pressure load, wear-resistant high strength, ceiling shock resistance, tear resistance, radiation resistance, high load and shock absorption, good performance.
Import of 40 Cr steel has better elastic recovery performance and better hardness and toughness, wear resistance, machinability is superior.
Used in metallurgy, mines, petroleum, automobile, building materials, sports, heavy machinery, large stamping equipment shock absorbing cushion, cushion block, a spring and a metal plate, pipe punching material mold, general machinery and equipment and other accessories cushion or damping effect is ideal material for mould spring.
- Q: What are the main characteristics of high-speed steel?
- High-speed steel (HSS) is a type of tool steel that is widely used in machining applications due to its exceptional properties. The main characteristics of high-speed steel include: 1. Superior Hardness: HSS is known for its remarkable hardness, which allows it to withstand high temperatures and resist wear. This hardness is achieved through the addition of various alloying elements like tungsten, molybdenum, cobalt, vanadium, and chromium. 2. Excellent Heat Resistance: High-speed steel has exceptional heat resistance, enabling it to maintain its hardness and strength even at elevated temperatures. This property is crucial in applications where the tool needs to withstand high cutting speeds and generate significant amounts of heat. 3. Good Toughness: HSS possesses good toughness, which means it can resist cracking and chipping under heavy loads or impact. This characteristic ensures that the tool can endure demanding cutting conditions without premature failure. 4. High Wear Resistance: HSS exhibits high wear resistance, making it suitable for cutting, drilling, and milling operations. It can withstand prolonged usage without losing its sharpness or performance, resulting in extended tool life. 5. Versatility: High-speed steel is highly versatile and can be used for a wide range of applications, including cutting, shaping, and forming various materials such as metals, plastics, and wood. Its versatility makes it a popular choice in industries like manufacturing, automotive, aerospace, and construction. 6. Ease of Machining: HSS can be easily machined and shaped into different tool designs, which allows for customization and optimization based on specific applications. This characteristic makes it a preferred material for manufacturing cutting tools like drills, end mills, taps, and saw blades. 7. Cost-Effective: Compared to other high-performance tool materials like carbide, high-speed steel is relatively more cost-effective. It provides a balance between performance and affordability, making it a cost-efficient choice for many machining applications. In conclusion, high-speed steel is valued for its exceptional hardness, heat resistance, toughness, wear resistance, versatility, ease of machining, and cost-effectiveness. These characteristics make it a preferred material for a wide range of cutting tools, ensuring efficient and reliable machining operations.
- Q: What are the different shapes and forms in which special steel is available?
- Various shapes and forms of special steel are available to satisfy the diverse industrial and engineering needs. Some examples of special steel include: 1. Bars: Bars of special steel find extensive usage in the construction, automotive, and machinery sectors. They come in round, square, hexagonal, and flat shapes, providing design flexibility and ease of machining. 2. Sheets and Plates: Special steel sheets and plates are utilized in the production of robust components and structures. These sheets and plates are obtainable in different sizes and thicknesses, ensuring suitability for a wide range of applications. 3. Tubes and Pipes: Special steel tubes and pipes are commonly employed in industries like oil and gas, construction, and automotive. These tubes and pipes are available in various dimensions and can be either seamless or welded to meet specific requirements. 4. Wire: Special steel wire is extensively used for manufacturing springs, cables, fasteners, and other products that demand high tensile strength and corrosion resistance. It is available in different diameters and can undergo further processing techniques like drawing or annealing. 5. Forgings: Special steel can also be acquired in the form of forgings, which are shaped through controlled heating and mechanical pressure. Forgings possess exceptional strength and toughness, making them ideal for critical components in aerospace, power generation, and heavy machinery industries. 6. Castings: Special steel castings are produced by melting the steel and pouring it into molds. This casting process allows for the creation of intricate shapes and details, rendering castings suitable for applications in the automotive, energy, and mining sectors. 7. Profiles: Special steel profiles are tailor-made shapes that are specifically designed to fulfill unique engineering requirements. These profiles can be extruded, rolled, or cold-drawn, and are widely utilized in construction, transportation, and manufacturing industries. These examples merely scratch the surface of the diverse range of shapes and forms in which special steel is available. The selection of the most appropriate shape and form depends on the specific application and the desired mechanical properties required for the final product.
- Q: What are the properties of martensitic steel?
- Martensitic steel is a type of stainless steel known for its high strength, hardness, and resistance to corrosion. It is characterized by a unique microstructure, formed through rapid cooling or quenching from high temperatures, which results in a hard, brittle material. Martensitic steel typically exhibits excellent wear resistance, making it suitable for applications such as cutlery, knives, and industrial tools. However, it may have reduced toughness and lower ductility compared to other stainless steel types.
- Q: How does special steel perform in cryogenic environments?
- Special steel performs well in cryogenic environments due to its high strength, toughness, and resistance to embrittlement. It can withstand extremely low temperatures without losing its mechanical properties, making it suitable for various applications in industries such as aerospace, energy, and medical.
- Q: What are the main alloying elements used in special steel?
- The main alloying elements used in special steel include chromium, nickel, molybdenum, vanadium, and tungsten.
- Q: What are the factors that can affect the machinability of special steel?
- There are several factors that can affect the machinability of special steel. One of the main factors is the composition of the steel. The presence of certain elements such as carbon, chromium, and nickel can greatly influence the machinability. For example, high carbon content can result in increased hardness and brittleness, making the steel more difficult to machine. On the other hand, the addition of elements like sulfur and lead can improve machinability by enhancing chip formation and reducing friction. The heat treatment of the steel also plays a significant role in machinability. Different heat treatments, such as annealing or quenching, can alter the microstructure of the steel, affecting its hardness and toughness. Heat-treated steels may be more difficult to machine due to their increased hardness or the presence of residual stresses. The mechanical properties of special steel, such as hardness and tensile strength, can also impact machinability. Harder steels require more cutting force and may result in increased tool wear or vibration during machining. Similarly, steels with high tensile strength may pose challenges in terms of chip formation and tool life. The cutting conditions and machining parameters used also affect machinability. Factors such as cutting speed, feed rate, and depth of cut can significantly impact the process. High cutting speeds can result in increased temperatures and tool wear, while low cutting speeds may lead to poor surface finish. Additionally, the choice of cutting tools, their geometry, and their coatings can also influence the machinability of special steel. Finally, the presence of impurities or contaminants in the steel, such as non-metallic inclusions or surface defects, can negatively affect machinability. These impurities can cause tool wear, poor surface finish, or even tool breakage. Therefore, the quality and cleanliness of the steel are crucial for achieving good machinability. In summary, the factors that can affect the machinability of special steel include its composition, heat treatment, mechanical properties, cutting conditions, and the presence of impurities. Understanding and optimizing these factors can help improve the machinability and overall performance of special steel during machining operations.
- Q: Can special steel be used in high-pressure applications?
- Indeed, high-pressure applications can utilize special steel. These steels, also referred to as alloy steels, are intentionally designed to possess improved mechanical properties, including high strength, ductility, and resistance to corrosion. These characteristics make them suitable for enduring high-pressure settings. Industries such as oil and gas, aerospace, automotive, and power generation often employ special steels due to their high-pressure applications. In the oil and gas sector, for instance, special steels are utilized in the production of high-pressure pipelines, valves, and pressure vessels that can withstand the intense pressure conditions during processes like oil drilling, transportation, and refining. The exceptional strength of special steel enables it to withstand the internal pressure exerted by fluids or gases without any deformation or failure. Additionally, its corrosion resistance ensures that the steel remains intact and undamaged even in the demanding operating conditions frequently encountered in high-pressure applications. Furthermore, special steels can be customized to meet specific requirements by adjusting their chemical composition and heat treatment processes. This customization allows the steel to exhibit even greater strength, toughness, and fatigue resistance, thereby making it an ideal choice for applications in high-pressure environments. To summarize, special steel can be utilized in high-pressure applications owing to its enhanced mechanical properties and resistance to corrosion. Its ability to endure extreme pressures makes it a dependable option for numerous industries that encounter high-pressure conditions.
- Q: What are the main advantages of using special steel in the power generation industry?
- Special steel offers several key advantages in the power generation industry. Firstly, its exceptional strength and durability make it highly resistant to the harsh operating conditions of power plants, ensuring long-lasting performance and reducing maintenance costs. Additionally, special steel's excellent heat resistance properties allow it to withstand high temperatures and pressure, crucial for power generation processes. Moreover, its corrosion resistance minimizes the risk of degradation and potential failure, enhancing overall safety and reliability. Lastly, special steel's unique composition enables it to maintain its mechanical properties at extreme temperatures, enabling efficient energy conversion and improving power plant efficiency.
- Q: Can special steel be used in the wood manufacturing industry?
- Yes, special steel can be used in the wood manufacturing industry. Special steel, such as high-speed steel or tool steel, can be utilized in the production of cutting tools, saw blades, or other machinery components used in wood processing. These types of steel offer enhanced durability, hardness, and resistance to wear, making them suitable for various wood manufacturing applications.
- Q: How does special steel contribute to the manufacturing of cutting blades?
- Special steel is crucial in the manufacturing of cutting blades as it offers exceptional hardness, durability, and resistance to wear and corrosion. These properties allow cutting blades to maintain sharpness for longer periods of time, resulting in more efficient and precise cutting operations. Additionally, special steel can be tailored to specific requirements, enabling the production of cutting blades suitable for different applications, such as those used in industries like automotive, aerospace, or construction.
Send your message to us
Alloy Steel Cr40,Steel Material,40cr Steel Specification
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 30 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
Similar products
Hot products
Hot Searches
Related keywords
