Alloy Steel Cr40,Steel Material,40cr Steel Specification
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- 30 m.t.
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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. | |||||||||
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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 applications of special steel in the oil and gas industry?
- Special steel is widely used in the oil and gas industry for various applications. It is commonly utilized in the construction of pipelines, as it possesses high strength and corrosion resistance, which ensures the safe and efficient transportation of oil and gas. Special steel is also employed in the manufacturing of drilling equipment, such as drill bits, casing, and tubing, as it can withstand extreme conditions, including high pressure and temperature. Furthermore, special steel is utilized in the fabrication of storage tanks and offshore platforms, providing durability and resistance to harsh environmental factors. Overall, the applications of special steel in the oil and gas industry contribute to the reliability and longevity of the infrastructure and equipment involved in the extraction, processing, and transportation of oil and gas.
- Q: How does special steel perform in extreme heat conditions?
- Special steel performs exceptionally well in extreme heat conditions. It has excellent heat resistance properties, enabling it to maintain its strength and structural integrity even at high temperatures. This makes it highly suitable for applications that involve exposure to extreme heat, such as in industrial furnaces, jet engines, and power plants. Its ability to resist thermal deformation and retain its mechanical properties ensures optimal performance and safety in such demanding environments.
- Q: How is special steel used in the production of turbine blades?
- Special steel is used in the production of turbine blades due to its exceptional strength, heat resistance, and corrosion resistance properties. These blades have to withstand high temperatures, extreme pressures, and rotational forces, making special steel an ideal material choice. Its exceptional qualities ensure the blades can efficiently convert the energy of steam or gas into mechanical energy, enabling turbines to generate power in various applications such as power plants, aircraft engines, and gas turbines.
- Q: What are the main advantages of using special steel in the construction industry?
- The main advantages of using special steel in the construction industry are its high strength, durability, and resistance to corrosion. Special steel has superior mechanical properties compared to regular steel, allowing for the construction of stronger and more robust structures. It can withstand heavy loads, extreme weather conditions, and natural disasters, ensuring the safety and longevity of buildings. Additionally, its corrosion resistance properties reduce maintenance costs and extend the lifespan of structures, making it a cost-effective choice in the long run.
- Q: How does special steel contribute to the aerospace material weight reduction?
- Special steel contributes to aerospace material weight reduction through its unique properties and characteristics. Special steel alloys such as stainless steel, titanium alloys, and high-strength low-alloy steel offer superior strength-to-weight ratios, allowing for the construction of lightweight yet robust components and structures in aircraft. These steel alloys possess excellent mechanical properties, including high tensile strength, hardness, and corrosion resistance, which enables them to withstand extreme conditions and reduce the need for additional material reinforcement. By utilizing special steel, aerospace manufacturers can design and fabricate lighter aircraft, resulting in improved fuel efficiency, increased payload capacity, and enhanced overall performance.
- Q: How does special steel perform in abrasive wear applications?
- Special steel performs well in abrasive wear applications due to its high hardness, toughness, and resistance to deformation. It can withstand the constant friction and impact caused by abrasive particles, resulting in minimal wear and extended longevity of the material. Additionally, special steel often has excellent heat resistance, corrosion resistance, and good dimensional stability, making it a reliable choice for abrasive wear applications.
- Q: What are the requirements for special steel used in surgical instruments?
- Meeting the stringent requirements for special steel used in surgical instruments is crucial due to their critical role in medical procedures. Above all else, the steel must exhibit exceptional corrosion resistance to endure repeated exposure to body fluids and sterilization chemicals. This guarantees that the instruments remain durable, hygienic, and safe for use. Another indispensable requirement is high strength and hardness, enabling surgical instruments to withstand the forces exerted during procedures without bending, breaking, or losing sharpness. Moreover, the steel should possess outstanding wear resistance, maintaining its cutting edge for an extended period and minimizing the need for frequent sharpening or replacement. Biocompatibility is also a pivotal factor for surgical instruments. The steel must not elicit adverse reactions when in contact with living tissue or fluids, thus reducing the risk of infection or complications for patients. This necessitates the absence of harmful elements or impurities that could trigger allergic responses or toxicity. Furthermore, the steel used in surgical instruments must be highly sterilizable. It should withstand high temperatures during autoclaving or other sterilization methods without significant alterations to its physical or mechanical properties. Lastly, the steel should be easily workable, facilitating precision manufacturing processes like forging, machining, and polishing to create intricate instrument designs. This guarantees that surgical instruments possess the necessary shape, size, and surface finish to effectively perform specific tasks. Overall, the requirements for special steel used in surgical instruments encompass corrosion resistance, strength, hardness, wear resistance, biocompatibility, sterilizability, and workability to ensure the instruments meet the exacting standards of the medical field.
- Q: What industries rely on special steel?
- The exceptional properties and outstanding performance of special steel make it indispensable in several industries. The automotive sector, for instance, heavily relies on special steel for the manufacturing of engine components, suspension systems, gears, and various other parts. Similarly, the aerospace industry extensively utilizes special steel due to its ability to withstand high temperatures, extreme pressure, and provide exceptional corrosion resistance. In the construction industry, special steel plays a crucial role in the production of high-rise buildings, bridges, and infrastructure projects, where strength, durability, and resistance to environmental factors are of utmost importance. The energy sector, including oil and gas, heavily depends on special steel for the production of pipelines, drilling equipment, and storage tanks, as it possesses remarkable mechanical properties and can endure harsh operating conditions. Additionally, special steel is widely used in manufacturing, machinery, defense, and tooling industries for various applications such as molds, cutting tools, and machine components. In summary, special steel is extensively utilized in industries that prioritize superior performance, durability, and reliability in their products and equipment.
- Q: How does special steel contribute to the manufacturing of hydraulic components?
- Special steel plays a crucial role in the manufacturing of hydraulic components by providing the required strength, durability, and corrosion resistance necessary for these components to perform optimally. The unique properties of special steel, such as high tensile strength and excellent machinability, ensure that hydraulic components can withstand high pressure and repetitive movements without deformation or failure. Additionally, the corrosion resistance of special steel helps protect hydraulic components from the harsh operating environments they often encounter, extending their lifespan and reducing maintenance requirements.
- Q: What are the different corrosion-resistant special steel alloys?
- Various industries commonly utilize several corrosion-resistant special steel alloys. Among the most popular are stainless steel, duplex stainless steel, super duplex stainless steel, and nickel-based alloys. Stainless steel, which contains a minimum of 10.5% chromium, is a widely used corrosion-resistant alloy. It forms a protective layer of chromium oxide on its surface, effectively preventing further corrosion. This alloy exhibits high resistance to rust, staining, and pitting, making it suitable for applications in the food processing, chemical, and marine industries. Duplex stainless steel, a combination of austenitic and ferritic stainless steels, offers excellent corrosion resistance, particularly in environments with high chloride ion concentrations. It finds common use in the oil and gas, chemical, and desalination industries. Super duplex stainless steel, being a stronger variation of duplex stainless steel, provides enhanced corrosion resistance and mechanical properties. This makes it ideal for applications in harsh environments like offshore oil and gas platforms, chemical processing plants, and seawater desalination systems. Nickel-based alloys, including Inconel and Hastelloy, are renowned for their exceptional resistance to corrosion and high-temperature environments. These alloys find widespread use in industries such as aerospace, chemical processing, and power generation, where both corrosion and heat resistance are critical. These corrosion-resistant special steel alloys offer a range of options for industries seeking materials with superior durability and resistance to corrosive environments. The choice of alloy depends on the specific application, operating conditions, and desired performance characteristics.
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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
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