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
You Might Also Like
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: What are the main factors affecting the formability of special steel?
- The main factors affecting the formability of special steel include the composition of the steel, its microstructure, temperature, strain rate, and the presence of impurities or defects. These factors influence the ability of the steel to deform without cracking or fracturing during the forming process. Additionally, the mechanical properties, such as the yield strength and ductility, also play a significant role in determining the formability of special steel.
- Q: How is case-hardening steel used in the production of gears and camshafts?
- Case-hardening steel is used in the production of gears and camshafts to enhance their strength and durability. This process involves heating the steel to a high temperature and then rapidly cooling it, creating a hard outer layer while maintaining a softer, more ductile core. This hardened surface layer provides resistance to wear, abrasion, and fatigue, ensuring the gears and camshafts can handle the demands of their respective applications.
- Q: What are the main characteristics of heat-resistant steel forgings?
- High-temperature applications can benefit from the use of heat-resistant steel forgings due to their distinct characteristics. Firstly, these forgings possess exceptional resistance to oxidation and corrosion, enabling them to maintain their mechanical properties even under elevated temperatures. This resistance is achieved by incorporating alloying elements such as chromium, nickel, and molybdenum, which form a protective oxide layer on the steel's surface. Secondly, heat-resistant steel forgings demonstrate remarkable strength and toughness when exposed to high temperatures. This is crucial for applications that subject the material to mechanical stress and thermal cycling, such as gas turbines, power plants, and aerospace engines. The combination of high strength and toughness ensures that the forgings can endure harsh operating conditions without deformation or failure. Another significant characteristic of heat-resistant steel forgings is their ability to retain hardness and dimensional stability even after prolonged exposure to high temperatures. This is accomplished through meticulous alloying and heat treatment processes, optimizing the steel's microstructure. As a result, the material possesses a fine grain structure and high uniformity, enhancing its resistance to thermal fatigue and creep. Moreover, heat-resistant steel forgings exhibit good thermal conductivity, facilitating efficient heat transfer and dissipation. This is particularly important in applications where heat generation needs effective management to prevent overheating and damage to surrounding components. Lastly, heat-resistant steel forgings can be easily machined and fabricated into intricate shapes, making them versatile and suitable for various applications. They can be forged, machined, and welded without significant loss of mechanical properties, making them ideal for manufacturing components with complex designs and high precision requirements. In conclusion, the main characteristics of heat-resistant steel forgings include excellent resistance to oxidation and corrosion, high strength and toughness at high temperatures, dimensional stability and hardness retention, good thermal conductivity, and ease of machining and fabrication. These characteristics make heat-resistant steel forgings indispensable in industries that require reliable and durable materials in extreme heat conditions.
- Q: What are the factors that determine the cost of special steel?
- The cost of special steel is determined by several factors, including the type and grade of steel, the manufacturing process involved, the quantity and availability of raw materials, market demand and competition, transportation and logistics costs, and any additional customization or special specifications required by the customer.
- 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. This high-quality steel allows turbine blades to withstand the extreme conditions within a turbine, including high temperatures and rotational speeds. Additionally, the unique composition of special steel enables the blades to maintain their shape and structural integrity, ensuring optimal performance and longevity in power generation applications.
- Q: What are the limitations of using special steel?
- Some limitations of using special steel include its high cost compared to regular steel, limited availability due to specific alloy compositions, and the need for specialized knowledge and equipment to work with it. Additionally, special steel may have lower ductility and toughness compared to other materials, making it less suitable for certain applications that require high impact resistance or flexibility.
- Q: What are the main applications of special steel in the power transmission industry?
- Special steel is used in various applications within the power transmission industry. Some of the main applications include manufacturing of power transmission line towers, transmission line conductors, and high-voltage insulators. Special steel is also used in the production of power transmission cables, transformers, and other critical components, ensuring efficient and reliable electricity transmission.
- Q: How is tool and die steel used in the manufacturing of molds and dies?
- Tool and die steel is essential in the manufacturing of molds and dies as it provides the required strength, hardness, and durability to withstand the high pressures and temperatures involved in the molding process. It is used to create the core and cavity sections of molds as well as the various components of dies. The steel is carefully selected based on its specific properties to ensure optimal performance and longevity in the production of molds and dies.
- Q: How is special steel used in the packaging industry?
- Special steel is used in the packaging industry to create durable, corrosion-resistant, and high-strength packaging materials. It is commonly used for manufacturing metal cans, drums, containers, and closures, ensuring the safe storage and transportation of various products, including food, chemicals, and hazardous materials. The unique properties of special steel make it an ideal choice for packaging applications as it enhances the strength, longevity, and protection of the packaging, ultimately ensuring the quality and integrity of the goods being packaged.
- Q: What are the thermal conductivity properties of special steel?
- The thermal conductivity properties of special steels, also known as alloy steels, can differ based on their composition and specific heat treatment. The range of thermal conductivity for special steel is generally between 10 and 50 W/mK. The carbon content, alloying elements, and microstructure primarily influence the thermal conductivity of steel. Carbon acts as a thermal conductor, thus increasing the thermal conductivity of steel. However, alloying elements like chromium, nickel, and molybdenum have lower thermal conductivity than iron, which can reduce the thermal conductivity of steel. Furthermore, the microstructure of special steel plays a crucial role in determining its thermal conductivity. Heat treatments like quenching and tempering can modify the microstructure, thereby affecting the thermal conductivity. For instance, steels with higher carbon content and a martensitic microstructure generally have higher thermal conductivity compared to steels with lower carbon content and a ferritic or pearlitic microstructure. It is important to consider that factors such as impurities, grain size, and the presence of defects can also influence the thermal conductivity of special steel, either enhancing or reducing it. In conclusion, the thermal conductivity properties of special steel can vary depending on its composition, heat treatment, and microstructure. Therefore, it is crucial to take these factors into account when evaluating the thermal conductivity of special steel for specific applications.
Send your message to us
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
Similar products
Hot products
Hot Searches
Related keywords
