Grade SAE 5140 alloy steel round bars Hot Rolled
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3 m.t.
- Supply Capability:
- 10000 m.t./month
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Specification
Type:
Alloy Steel
Shape:
Steel Round Bar
Product Description:
OKorder is offering Grade 5140 alloy steel round bar at great prices with worldwide shipping. Our supplier is a quality manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American,African and Asian markets..etd. We will quote you our most competitive prices within 24 hours after received the inquiry and guarantee the quality.
Product Applications:
Grade SAE51200/ GCr15 / 100cr6 Bearing Steel are ideal for structural applications and are widely used in the
Gear, Sleevesspool,Shaft, Crankshaft, Pin
Product Advantages:
OKorder's Grade SAE5140 alloy steel are durable, strong, and resist corrosion.
Chemical Composition
Grade | C | Si | Mn | Cr | Ni | Cu | P | S |
40Cr | 0.37-0.44 | 0.17-0.37 | 0.50-0.80 | 0.80-1.10 | ≤0.30 | ≤0030 | ≤0.035 | ≤0.035 |
41Cr4 | 0.38-0.45 | ≤0.40 | 0.60-0.90 | 0.90-1.20 | ≤0.030 | ≤0.030 | ≤0.035 | ≤0.035 |
5140 | 0.38-0.43 | 0.17-0.37 | 0.70-0.90 | 0.70-0.90 | ≤0.030 | ≤0.030 | ≤0.040 | ≤0.035 |
Mechanical Properties
Grade | Tensile Strengthσb (MPa) | Yield Strength | Elongation | Reduction of Area ψ (%) | Impact Akv(J) | Hardness |
|
| |||||
σs (MPa) | δ5 (%) | |||||
5140 | ≥980(100) | ≥785(80) | ≥9 | ≥45 | ≥47 | ≤207HB |
Packaging & Delivery
Standard seaworthy packing or as customer required
Leadtime
Delivery time: Within 30 days after order is confirmed.
- Q: How is special steel used in the production of heat exchangers?
- Special steel, with its unique properties, finds extensive application in the production of heat exchangers. These devices are designed to transfer heat between different mediums, and special steel offers several advantages in this process. To begin with, the thermal conductivity of special steel is exceptional, allowing for efficient heat transfer between fluids. This characteristic is vital for heat exchangers as it enables the rapid and effective exchange of thermal energy. Moreover, special steel exhibits high resistance to corrosion, making it highly suitable for heat exchanger applications. Since heat exchangers often come into contact with corrosive fluids or gases, regular steel may deteriorate over time. However, special steel is specifically engineered to resist corrosion, ensuring the durability and reliability of the heat exchanger. Furthermore, special steel possesses remarkable strength and durability, enabling heat exchangers to withstand high pressures and temperatures. Given that heat exchangers frequently operate in challenging environments, special steel can endure these harsh conditions without compromising its structural integrity. Additionally, special steel offers excellent weldability and formability, simplifying the manufacturing of intricate heat exchanger designs. Its versatility allows for the production of heat exchangers in various shapes and sizes, catering to the specific requirements of different industries. In conclusion, special steel is an ideal material for heat exchanger applications due to its high thermal conductivity, corrosion resistance, strength, durability, weldability, and formability. These properties ensure efficient heat transfer, resistance to corrosion, and the ability to withstand harsh operating conditions.
- Q: Can special steel be used for making power generation equipment?
- Yes, special steel can be used for making power generation equipment. Special steel is known for its high strength, durability, and resistance to corrosion, making it an ideal choice for manufacturing components such as turbines, generators, and boilers that are used in power generation processes.
- Q: How does special steel contribute to reducing product downtime?
- Special steel contributes to reducing product downtime by offering enhanced mechanical properties such as increased strength, hardness, and wear resistance. This allows components made from special steel to withstand harsh operating conditions, reducing the likelihood of breakdowns or failures. Additionally, special steel can be tailored to specific applications, ensuring optimal performance and longevity. By using special steel in the manufacturing process, products are more reliable, have longer service lives, and require less frequent maintenance, leading to reduced downtime and improved productivity.
- Q: What are the main applications of special steel in the packaging machinery?
- Special steel is widely used in packaging machinery due to its outstanding properties such as high strength, corrosion resistance, and durability. It is primarily utilized in the construction of machine components like blades, dies, and molds, ensuring efficient and precise cutting, shaping, and forming of packaging materials. Additionally, special steel's ability to withstand high temperatures and extreme pressures make it suitable for applications requiring heat sealing or sterilization of packaging. Overall, special steel plays a crucial role in enhancing the performance, reliability, and longevity of packaging machinery.
- Q: What are the different heat-resistant grades of special steel?
- There are several heat-resistant grades of special steel, including stainless steels like 304H, 310H, and 347H, as well as nickel alloys like Inconel 600, Inconel 625, and Hastelloy C276. These grades are specifically designed to withstand high temperatures and maintain their strength and corrosion resistance even in extreme heat environments.
- Q: Can special steel be used in the jewelry industry?
- Yes, special steel can be used in the jewelry industry. It is commonly used to make durable and versatile jewelry pieces, especially in the production of contemporary and industrial style jewelry. Special steel offers unique design options and can be combined with other materials to create stunning and long-lasting jewelry pieces.
- Q: What are the different methods for controlling the grain size in special steel?
- Special steel can be controlled for grain size using various methods. One method is heat treatment, where the steel is subjected to specific temperatures and cooling rates. By controlling the rate of nucleation and growth of new grains, the grain size can be refined. For example, slow cooling encourages the formation of larger grains, while rapid cooling results in smaller grain sizes. Alloying elements can also influence grain size. Elements like vanadium, niobium, and titanium can form carbides, acting as nucleation sites and leading to finer grain sizes. Conversely, elements like aluminum and silicon promote the formation of larger grains. Mechanical deformation, such as rolling or forging, can also affect grain size. These processes break up larger grains into smaller ones, thereby refining the grain size. Techniques like equal-channel angular pressing can even produce ultrafine grains in special steel. Certain elements, like boron and zirconium, can act as grain growth inhibitors during heat treatment. By controlling the concentration of these inhibitors, grain growth can be prevented, maintaining a desired grain size. Controlling the cooling rate during solidification and heat treatment is another method for controlling grain size. By carefully managing the cooling rate, a specific grain size or desired distribution of grain sizes can be achieved. It is important to consider the specific application and desired properties of the steel when choosing a method for controlling grain size. Different methods may be combined to achieve the desired grain size and optimize the performance of the steel for its intended use.
- Q: Is special steel recyclable?
- Yes, special steel is recyclable.
- Q: What are the thermal conductivity properties of special steel?
- Special steel, also known as alloy steel, exhibits high thermal conductivity properties. This is due to the presence of various alloying elements, such as chromium, nickel, and manganese, which enhance heat transfer. The specific thermal conductivity value of special steel depends on its composition and can vary, but it generally has good heat transfer capabilities.
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Grade SAE 5140 alloy steel round bars Hot Rolled
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3 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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