Forged Steel AISI 4140 Alloy Steel Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 500000 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
Forged Steel AISI 4140 Alloy Steel Bars
Product Details:
1.Materail:Alloy Steel, Carbon Steel, Stainless Steel,etc
2.Length≤12m
3.OD≤Φ100~Φ1200
4.Ground and chrome plated
5.ISO9001:2008
6.competitive price
7.excellent service.
8.Strict quality control
9.Prompt delivery
Chemical Composition:
C | Si | Mn | Cr | Ni | Mo |
Equal or less than | |||||
0.37-0.45 | 0.17~0.37 | 0.90-1.20 | 0.90-1.20 | 0.20-0.30 | 0.20-0.30 |
Features:
1) Outer diameter: 15 - 80mm
2) Tube wall thickness: 1 - 8mm
3) Outer diameter: ± 0.01 mm
4) Inside diameter: ± 0.01mm
Delivery status: NBK(+N) BK(+C) BKW+(LC) BKS(SR)
Application:
AISI 4140 is a grade of steel an excellent material for such uses as gears, piston pins, crankshafts,and shafts.It is commonly used for a variety of applications in the oil and gas industry. Examples of applications for 4140 steel also include structural tubing,connection rods, stem assemblies, tool holders,tubes for transportation of pressurized gases.4140 Alloy Steel/SAE 4140 Steel Price is engineering steel supplied in quenched and tempered conditions. Very good machinability. High toughness. High creep strength. Repeated impact resistant capability.
Product Show:
- Q:How does special steel contribute to sustainable construction?
- Special steel contributes to sustainable construction in several ways. Firstly, special steel is highly durable and has a longer lifespan compared to traditional building materials. This means that structures built with special steel require less maintenance and repairs over time, reducing the overall environmental impact. Secondly, special steel is often made from recycled materials, such as scrap metal, which helps to conserve natural resources and reduce waste. The recycling process also requires less energy compared to producing new steel, further reducing the carbon footprint. Additionally, special steel offers high strength-to-weight ratio, allowing for lighter and more efficient construction designs. This leads to reduced material consumption and transportation costs, as well as minimizing the load on the foundation and infrastructure. Lastly, special steel is highly resistant to corrosion and can withstand extreme weather conditions. This resilience ensures the longevity of the structures, reducing the need for replacements and minimizing construction waste. Overall, special steel's durability, recyclability, lightweight nature, and resistance to corrosion contribute significantly to sustainable construction practices by minimizing environmental impact, conserving resources, and promoting long-lasting structures.
- Q:How does special steel resist wear and abrasion?
- Special steel resists wear and abrasion due to its unique composition and manufacturing process. It is typically made from alloys with high levels of carbon, chromium, and other elements that enhance its hardness and strength. The addition of these elements creates a microstructure within the steel that is highly resistant to wear and abrasion. Additionally, special steel can be heat-treated to further increase its hardness and toughness, making it more resilient against the forces that cause wear and abrasion. Overall, the combination of alloying elements and heat treatment gives special steel its exceptional ability to resist wear and abrasion in various applications.
- Q:What are the different methods of preventing intergranular corrosion in special steel?
- Some of the different methods of preventing intergranular corrosion in special steel include: alloying the steel with elements like chromium or molybdenum to form a protective oxide layer on the surface, controlling the heat treatment process to avoid formation of susceptible phases, using low carbon content to minimize carbide precipitation, employing proper welding techniques and filler materials to prevent sensitization, and applying corrosion-resistant coatings or inhibitors to the steel surface.
- Q:What are the different surface finishing techniques for special steel?
- Some of the different surface finishing techniques for special steel include electroplating, powder coating, passivation, etching, and polishing.
- Q:What are the corrosion resistance properties of special steel?
- Special steel, also known as stainless steel, exhibits excellent corrosion resistance properties. This is primarily due to the presence of chromium, which forms a protective layer on the surface of the steel, preventing oxidation and corrosion. Additionally, special steel alloys may contain other elements such as nickel, molybdenum, and titanium, further enhancing their corrosion resistance. These properties make special steel highly suitable for various applications in industries such as construction, automotive, and aerospace, where resistance to corrosion is essential for long-term durability and performance.
- Q:What are the different methods of preventing stress relaxation in special steel?
- There are several methods of preventing stress relaxation in special steel. One method is through heat treatment, specifically through the process of annealing. Annealing involves heating the steel to a specific temperature and then slowly cooling it down. This process helps to relieve internal stresses within the steel and prevent stress relaxation. Another method is through the use of stress relieving techniques. These techniques involve applying controlled amounts of stress to the steel, typically through cold working or mechanical deformation. By doing so, the steel is able to release any built-up stress and prevent relaxation over time. Additionally, the use of alloying elements can also help prevent stress relaxation in special steel. Certain alloying elements, such as molybdenum and chromium, can improve the steel's resistance to stress relaxation by enhancing its strength and stability. Lastly, proper design and engineering of components can also play a role in preventing stress relaxation. By considering factors such as load distribution, material thickness, and stress concentration points, engineers can minimize the risk of stress relaxation in special steel applications. Overall, a combination of heat treatment, stress relieving techniques, alloying elements, and thoughtful design can be employed to prevent stress relaxation in special steel.
- Q:How does stainless steel contribute to the automotive industry?
- Stainless steel contributes to the automotive industry by providing durability, corrosion resistance, and aesthetic appeal to various parts and components. It is commonly used in exhaust systems, engine components, body panels, and trim pieces, ensuring longevity and maintaining the integrity of vehicles even in harsh conditions.
- Q:How does special steel contribute to the aerospace structural industry?
- Special steel plays a crucial role in the aerospace structural industry by providing a range of important attributes that are necessary for the construction of aircraft components. Firstly, special steel offers exceptional strength and durability, allowing it to withstand the extreme conditions and stresses experienced during flight. This is particularly important for critical components such as landing gear, engine parts, and wing structures which are subjected to high temperatures, pressure, and vibrations. Furthermore, special steel possesses excellent corrosion resistance, which is vital for ensuring the longevity and reliability of aerospace structures. Aircraft are constantly exposed to harsh environments, including high humidity, saltwater, and chemicals, which can lead to corrosion and degradation if not properly protected. The use of special steel helps to prevent these issues, ensuring the structural integrity of the aircraft throughout its lifespan. In addition to its strength and corrosion resistance, special steel also offers other desirable properties such as heat resistance, fatigue resistance, and weldability. These characteristics make it suitable for a wide range of aerospace applications, including the construction of fuselage frames, engine mounts, fasteners, and hydraulic systems. By utilizing special steel in these components, aerospace manufacturers can achieve lightweight designs without compromising on strength and safety. Moreover, special steel enables engineers to push the boundaries of aircraft performance by facilitating the development of advanced technologies. For instance, the use of special steel alloys in turbine blades allows for higher operating temperatures, which in turn improves engine efficiency and reduces fuel consumption. This contributes to the overall sustainability and environmental friendliness of the aerospace industry. In summary, special steel is a vital material in the aerospace structural industry as it provides the necessary strength, durability, corrosion resistance, and other essential properties required for the construction of aircraft components. Its contribution allows for the development of safer, more efficient, and technologically advanced aircraft, ultimately benefiting the aerospace industry as a whole.
- Q:How does the heat treatment process affect the properties of special steel?
- The heat treatment process has a significant impact on the properties of special steel. This process involves heating and cooling the steel in a controlled manner to alter its microstructure and, consequently, its mechanical properties. Firstly, heat treatment can enhance the hardness of special steel. By heating the steel to a specific temperature, followed by rapid cooling, a process known as quenching, the steel undergoes a phase transformation that increases its hardness. This is particularly beneficial for applications that require high strength and wear resistance, such as cutting tools or bearings. Additionally, heat treatment can improve the toughness of special steel. By tempering the quenched steel at a lower temperature, the brittleness caused by the rapid cooling can be reduced, leading to improved toughness and impact resistance. This is crucial for applications where the steel needs to withstand sudden shocks or impacts, such as in automotive or aerospace components. Moreover, heat treatment can also enhance the overall strength of special steel. Through a combination of heating, cooling, and tempering processes, the steel's grain structure can be refined, resulting in improved strength and resistance to deformation. This is particularly important for structural applications, where the steel needs to withstand heavy loads or extreme conditions. Furthermore, the heat treatment process can also influence the corrosion resistance of special steel. By subjecting the steel to specific heat treatment cycles, the formation of certain phases or chemical compounds can be promoted, leading to improved resistance against corrosion or oxidation. This is essential for applications exposed to harsh environments or corrosive substances, such as in marine or chemical industries. In conclusion, the heat treatment process plays a vital role in altering the properties of special steel. By carefully controlling the heating, cooling, and tempering cycles, the hardness, toughness, strength, and corrosion resistance of the steel can be significantly enhanced. This allows for the production of special steel with tailored properties to meet the specific requirements of various industrial applications.
- Q:How is wear-resistant tool steel used in the production of cutting tools?
- Wear-resistant tool steel is used in the production of cutting tools because of its high hardness, toughness, and resistance to wear. This type of steel can withstand the high pressures and temperatures generated during cutting processes, ensuring that the cutting tools maintain their sharpness and durability for extended periods. The wear-resistant tool steel is typically used to make the cutting edges or inserts of tools such as drills, milling cutters, saw blades, and lathe tools. It helps in improving the tool's performance, reducing tool wear, and increasing productivity in various manufacturing industries.
1. Manufacturer Overview |
|
|---|---|
| Location | |
| Year Established | |
| Annual Output Value | |
| Main Markets | |
| Company Certifications | |
2. Manufacturer Certificates |
|
|---|---|
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
|
|---|---|
| a)Trade Capacity | |
| Nearest Port | |
| Export Percentage | |
| No.of Employees in Trade Department | |
| Language Spoken: | |
| b)Factory Information | |
| Factory Size: | |
| No. of Production Lines | |
| Contract Manufacturing | |
| Product Price Range | |
Send your message to us
Forged Steel AISI 4140 Alloy Steel Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 500000 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
