Special Steel NAK80 Steel Round Bar Alloy Steel
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 10000 m.t./month
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Specification
Type:
Alloy Steel
Shape:
Steel Round Bar
Special Steel NAK80 Steel Round Bar Alloy Steel
Product Information:
1. Hardness:Hardened hardness: HRC=37~43
2.Size specification
l Thickness: 20~300MM
l Width: 205~2000MM
l Length: 2000~5800MM
l Round bar: 30~350MM
And we can also provide the size as you required.
3. Surface condition: Black surface / Grinding / Polishing / Milling / Machined……
4. shape:flat / round bar / square bar / sheet / plate ……
5. Process: EAF + LF + VD + HOT ROLLED + Heat Treatment (optional)
6. Heat treatment: Normalized / Annealed / Quenched / tempered
7. Technical Data: According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing
8. Inspection: Ultrasonic test according to SEP 1921-84 Gr3, Class C/c or D/d
9. Delivery condition:
l Hot rolled or forging
l Black surface / Grinding / Polishing / Milling / Machined
l Hardened & tempering & annealing
l EAF or ESR material
10. Payment terms:
30% advance by T\T; Balance pay before the shipment against shipping documents or irrevocable LC at sight
11. Delivery time: 3-15 days after advanced payment
12. Material character:
l Low alloy separate out induration steel
l Good mechanical property after the heat-treatment
l High quenching
l The heat-treatment technology is very simple
l Small distortion and nice mirror process under the heat-treatment
l Good nitrogenated capacity, electronic capacity, welding capacity
l Strong good flower pattern engraving capacity and so on
Product Overviews:
| Product Name | Typical Grades | Diameter(mm) | Standard adopted |
| Carbon Steel | 20 (1020/S20C/C22) | Ø16-Ø300 | GB/SAE/JIS/DIN |
| 40 (1040/S40C/C40) | |||
| 45 (1045/S45C/C45) | |||
| Bearing Steel | GCr9 (51100/SUJ1) | Ø12-Ø250 | |
| GCr15 (52100/SUJ2/100Gr6) | |||
| GCr9SiMn (A485-Gr.1/SUJ3) | |||
| Cr-Mo Steel | 20Cr (5120/SCr420H/20Cr4) | Ø12-Ø250 | |
| 40Cr (5140/SCr440/41Cr4) | |||
| 42CrMo(4140/SCM440/42CrMo4) | |||
| Gear Steel | 20CrNiMo | Ø16-Ø600 | |
| 20CrMn(5115/SMnC420/20MnCr5) | |||
| 20CrNiMo(8620/SNCM220/20CrMiMo2) |
Product Show:
Our Advantages:
· Industry experience over 20 years.
· Shipment of goods -More than 70 countries worldwide.
· The most convenient transport and prompt delivery.
· Competitive price with best service.
· High technical production line with top quality products.
· High reputation based on best quality products.
With our experienced, enthusiastic and dynamic staffs, we assure to bring you the products with best quality, reasonable prices and good after-sales services under the motto: Friends First, Business After.
Communication, Experience, Expertise and Best efforts are our Promises to you.
- Q: What are the requirements for special steel used in robotic applications?
- Optimal performance and reliability of robotic applications necessitates special steel that meets specific key requirements. These requirements encompass: 1. Exceptional strength: The steel utilized in robotic applications must possess outstanding strength properties to endure the stresses and loads encountered during robotic operations. It should exhibit superior tensile and yield strength to ensure structural integrity and prevent failure when subjected to heavy loads. 2. Resistance to wear: The steel employed in robotic applications should demonstrate high resistance to wear, enabling it to withstand repetitive motions, sliding, and abrasive contact with different surfaces. This characteristic minimizes wear and tear, thereby extending the lifespan of robotic components. 3. Protection against corrosion: Robotic applications often involve exposure to diverse environments, including moisture, chemicals, and other corrosive agents. Consequently, the special steel employed must possess excellent corrosion resistance to prevent degradation and maintain optimal performance over time. 4. Toughness: Good toughness is essential for special steel, allowing it to absorb energy and resist fracture or cracking. This attribute is crucial to ensure that the steel can withstand sudden shocks or impacts without catastrophic failure, thereby enhancing the safety and reliability of the robotic system. 5. Machinability: Robotic components often necessitate intricate shapes and precise dimensions. Therefore, the special steel used must exhibit good machinability, enabling easy cutting, shaping, and forming without excessive tool wear or manufacturing difficulties. 6. Heat resistance: Some robotic applications involve exposure to high temperatures, such as in welding or metalworking processes. Hence, it is imperative for the special steel to possess good heat resistance, maintaining its mechanical properties and structural integrity even under elevated temperatures. 7. Magnetic properties: Certain robotic applications may require non-magnetic steel to prevent interference with electromagnetic sensors or systems. Consequently, special steel with low magnetic permeability is often preferred for such applications. By fulfilling these requirements, special steel employed in robotic applications can deliver the necessary strength, durability, and performance essential for efficient and reliable robotic operations across various industries, including manufacturing, healthcare, and exploration.
- Q: What are the main factors affecting the strength of special steel?
- The main factors affecting the strength of special steel include the composition of the steel, heat treatment processes, and the presence of impurities and defects in the material. Additionally, factors such as grain size, crystal structure, and the presence of alloying elements also play a significant role in determining the strength of special steel.
- Q: How is special steel used in the production of aircraft landing gear?
- Due to its outstanding mechanical properties and durability, special steel is extensively utilized in the manufacturing of aircraft landing gear. The landing gear, a critical component responsible for supporting the weight of an aircraft during takeoff, landing, and ground operations, must endure tremendous forces, impact loads, and harsh environmental conditions. Special steel, including high-strength low-alloy (HSLA) steel or alloy steel, is carefully chosen for its remarkable strength-to-weight ratio, high resistance to fatigue, and excellent ability to resist corrosion. These characteristics are essential in ensuring that the landing gear can withstand the extreme forces and stresses encountered during aircraft operations. The utilization of special steel in the production of landing gear offers multiple advantages. Firstly, it enables the landing gear to be lighter in weight, contributing to an overall reduction in the aircraft's weight. This results in improved fuel efficiency and increased capacity for carrying cargo, which are crucial factors in enhancing the performance of modern aircraft and reducing operating costs. Secondly, the high fatigue resistance of special steel ensures that the landing gear can endure repeated loading cycles without experiencing significant degradation in performance. This is of utmost importance since the landing gear is subjected to substantial stress during each landing and takeoff. It must be capable of withstanding these forces over a long operational lifespan. Furthermore, the excellent corrosion resistance properties of special steel guarantee that the landing gear remains protected from environmental elements such as moisture, salt, and other corrosive substances. Corrosion can weaken the structure of the landing gear, compromising its integrity and safety. Therefore, the use of special steel helps to ensure the longevity and reliability of the landing gear, reducing the need for maintenance and associated costs. To summarize, special steel plays a vital role in the manufacturing of aircraft landing gear due to its exceptional strength, fatigue resistance, and corrosion resistance. Its incorporation allows for the production of lighter and more durable landing gear, resulting in improved aircraft performance, enhanced efficiency, and increased safety.
- Q: How is special steel used in the medical industry?
- Special steel is used in the medical industry for various applications, including the manufacturing of surgical instruments, implants, and medical devices. It possesses unique properties such as high strength, corrosion resistance, and biocompatibility, making it ideal for these applications. Additionally, special steel is used in the production of high-quality tools and equipment used in medical research and laboratory settings.
- Q: What are the common challenges in welding special steel?
- When welding special steel, there are several challenges that differ from welding regular carbon steel. Some common challenges in welding special steel include the following: 1. High carbon content: Special steels often have a high carbon content, which can increase hardness and brittleness. Achieving a proper weld without cracks or defects can be more difficult. 2. High alloy content: Special steels often contain various alloying elements like chromium, nickel, or molybdenum, which can affect weldability. These elements can introduce complexities, such as increased susceptibility to heat-affected zone (HAZ) cracking or the formation of brittle phases. 3. Heat sensitivity: Special steels are often more sensitive to heat during welding. Excessive heat can cause grain growth, reduced mechanical properties, or distortion of the welded structure. Therefore, careful control of heat input and preheating techniques may be necessary. 4. Pre-weld and post-weld treatments: Specific pre-weld and post-weld treatments may be required for special steels to ensure proper weld quality and performance. These treatments can include preheating, stress relieving, or post-weld heat treatment. Failure to follow these procedures can result in residual stresses or reduced mechanical properties. 5. Joint design and fit-up: The design and fit-up of the weld joint can also present challenges. Special steels may require specific joint configurations, such as a double-V or double-U groove, to ensure adequate penetration and fusion. Additionally, tight tolerances may be necessary to maintain desired mechanical properties. 6. Welding process selection: The choice of welding process can greatly impact the success of welding special steel. TIG or laser welding may be more suitable for high-alloy steels, while MIG or submerged arc welding may be better for specific applications. Selecting the appropriate welding process is crucial for achieving a sound weld with desired properties. To overcome these challenges, it is essential to thoroughly understand the specific type of special steel being welded and follow proper welding procedures and techniques. This may involve conducting pre-weld qualification tests, using suitable welding consumables, and ensuring proper heat control throughout the welding process. Additionally, working with experienced welders and seeking guidance from experts in special steel welding can effectively overcome these challenges.
- Q: What are the different molding grades of special steel?
- There are several different molding grades of special steel that are used in various industries and applications. Some of the commonly known molding grades include: 1. P20: This grade is widely used in the production of plastic injection molds, die casting, and extrusion dies. It offers excellent machinability, high hardness, and good polishability, making it suitable for high-precision molding. 2. H13: This grade is a hot work tool steel that is primarily used for die casting and forging applications. It offers high toughness, good heat resistance, and excellent wear resistance, making it suitable for high-temperature molding processes. 3. S7: This grade is a shock-resistant tool steel that is commonly used for molding applications where high impact resistance is required. It offers good hardness, toughness, and machinability, making it suitable for applications such as shear blades and hammer dies. 4. NAK80: This grade is a pre-hardened mold steel that is often used for high-quality mirror surface molds and precision molding applications. It offers high polishability, excellent dimensional stability, and good wear resistance, making it suitable for producing parts with high surface finish requirements. 5. 420SS: This grade is a stainless steel that is commonly used for molding applications where corrosion resistance is required. It offers good hardness, moderate strength, and excellent corrosion resistance, making it suitable for applications such as medical devices and food processing equipment. These are just a few examples of the different molding grades of special steel available in the market. Each grade has its own specific properties and characteristics, which make them suitable for various molding applications. It is important to select the appropriate grade based on the specific requirements of the molding process to ensure optimal performance and durability.
- Q: What are the properties of magnetic alloy steel?
- Magnetic alloy steel possesses a combination of magnetic and mechanical properties that make it suitable for various applications. It exhibits high magnetic permeability, allowing it to attract and retain magnetic fields efficiently. Additionally, it boasts excellent strength, hardness, and wear resistance, making it ideal for manufacturing components in electrical transformers, motors, generators, and magnetic cores. Its properties can be further enhanced through heat treatment processes, ensuring optimal performance in magnetic applications.
- Q: How does the demand for special steel vary across different regions?
- The demand for special steel can differ greatly in various regions due to multiple factors. One of the main drivers of demand fluctuation is the level of industrialization in a specific region. Developed regions like North America, Europe, and East Asia, which have strong manufacturing sectors, heavily rely on special steel for various industrial applications, resulting in higher demand. Another factor that affects demand variation is the presence of specific industries or sectors within a region. Regions with significant automotive or aerospace industries require high-performance materials like special steel for the production of vehicles or aircraft, leading to increased demand. Furthermore, the demand for special steel is influenced by the construction industry. Regions experiencing rapid urbanization and infrastructure development, such as Southeast Asia, the Middle East, and parts of Africa, have a higher demand for special steel to construct buildings, bridges, and other infrastructure projects. Moreover, the availability of raw materials and production capabilities within a region can impact the demand for special steel. Regions with abundant access to iron ore, coal, and other essential resources for steel production may experience higher demand as they can efficiently produce special steel. Lastly, economic trends and government policies also play a role in shaping the demand for special steel. Regions with stable economic growth and favorable policies for industries utilizing special steel are likely to have higher demand. Conversely, regions facing economic downturns or restrictive trade policies may witness a decline in demand. In conclusion, various factors, including industrialization levels, specific industries present, construction activities, availability of raw materials, and economic trends, contribute to the variation in demand for special steel across different regions. Understanding these variations is crucial for steel manufacturers and suppliers to effectively target and meet the diverse needs of different regions.
- Q: How does special steel contribute to the automotive parts industry?
- Enhanced strength, durability, and performance are crucial attributes that special steel brings to the automotive parts industry. This unique material plays a pivotal role in improving the overall safety, reliability, and efficiency of vehicles. One of the primary benefits of special steel in the automotive parts industry is its ability to withstand extreme conditions, high temperatures, and pressures. This exceptional characteristic makes it perfect for manufacturing vital engine parts like crankshafts, camshafts, and connecting rods, which endure intense mechanical stress and heat. By utilizing special steel, these critical components can withstand the demanding conditions of combustion engines, resulting in enhanced engine performance and longevity. Another significant advantage of special steel is its resistance to corrosion. Automotive parts are exposed to various corrosive elements such as moisture, chemicals, and road salt. With the use of special steel, manufacturers can produce corrosion-resistant parts like exhaust systems, suspension components, and brake rotors, which play a crucial role in maintaining the structural integrity and safety of vehicles over time. Furthermore, special steel offers exceptional formability and weldability, enabling the production of complex automotive parts with precision and ease. This versatility allows manufacturers to create lightweight yet robust components like chassis, body panels, and suspension arms. These components contribute to fuel efficiency, handling, and overall vehicle performance. Additionally, the high tensile strength and toughness of special steel contribute to the safety of vehicles by ensuring the structural integrity of safety-critical parts like steering columns, seat frames, and roll bars. These components play a vital role in protecting occupants during accidents and collisions, making special steel an indispensable material for enhancing overall vehicle safety. In conclusion, the unique properties and characteristics of special steel have a significant impact on the automotive parts industry. Its strength, durability, corrosion resistance, formability, and weldability make it an ideal material for manufacturing critical components in automobiles. By incorporating special steel into various parts, vehicles can achieve improved performance, safety, and reliability while meeting the demands of modern automotive standards.
- Q: What are the different methods of improving the toughness of special steel?
- There are several methods of improving the toughness of special steel. One common method is through heat treatment, such as quenching and tempering, which involves rapidly cooling the steel to increase its hardness and then reheating it to improve its toughness. Another method is alloying, where elements like nickel, chromium, and molybdenum are added to the steel to enhance its toughness. Additionally, refining the steel's microstructure through processes like grain-size control and precipitation hardening can also improve its toughness.
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Special Steel NAK80 Steel Round Bar Alloy Steel
- 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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