Grade AISI 5120 CNBM Alloy Steel Round Bar Made in China
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3 m.t.
- Supply Capability:
- 10000 m.t./month
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Specification
Product Description
1. Diameter: 8mm-250mm rou
2. Length: 2m, 3m, 5.8m, 6m or customized
3. Standard: GB, ASTM, AISI, SAE, DIN, JIS, EN
4. Produce Process: smelt iron - EAF smelt billet - ESR smelt billet -hot rolled or forged -steel round bar and plate
5. Heat Treatment: annealing, normalizing, tempering, quenching
6. Surface Treatment: Black, Polished, Galvanized
7. Quality Assurance: We accept third party inspection for all orders.
You can ask testing organizations such as SGS, BV, etc. to test our products before shipping.
Chemical Composition
Grade | Dia.(mm) | C | Si | Mn | Cr | P | S | Ni | Cu |
5120 | 16-85 | 0.18-0.24 | 0.17-0.37 | 0.50-0.80 | 0.70-1.00 | ≤0.035 | ≤0.035 | ≤0.03 | ≤0.03 |
5140 | 16-400 | 0.37-0.44 | 0.17-0.37 | 0.50-0.80 | 0.80-1.10 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.03 |
4135 | 13-230 | 0.32-0.40 | 0.17-0.37 | 0.40-0.70 | 0.80-1.10 | ≤0.035 | ≤0.035 | ≤0.03 | ≤0.03 |
4140 | 13-360 | 0.38-0.45 | 0.17-0.37 | 0.50-0.80 | 0.90-1.20 | ≤0.035 | ≤0.035 | ≤0.03 | ≤0.03 |
Application:
Mechanism & Fasteners gear, Stressed components for vehicles
Engines and machines, Parts of larger cross-section
Company Information:
CNBM International Corporation is the most important trading platform of CNBM group.
Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.
Packing & Delivery
1. Packaging: seaworthy package or as required
2. Delivery: 35-45 days or based on quantity
Products Show
FAQ:
1.Your advantages?
Professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent
customer solution proposale
2. Test & Certificate?
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem
3. Factory or Trading Company?
CNBM is a trading company but we have so many protocol factories and CNBM works as a trading department
of these factories. Also CNBM is the holding company of many factories.
4. Payment Terms?
30% TT as deposit and 70% before delivery.
Irrevocable L/C at sight.
5. Trading Terms?
EXW, FOB, CIF, FFR, CNF
6. After-sale Service?
CNBM provides the services and support you need for every step of our cooperation. We're the business
partner you can trust.
For any problem, please kindly contact us at any your convenient time.
We'll reply you in our first priority within 24 hours.
- Q: How is special steel used in the aerospace industry?
- Special steel is used in the aerospace industry for various applications, including the manufacturing of critical components such as jet engines, landing gear, and airframe structures. Due to its exceptional strength, corrosion resistance, and heat resistance properties, special steel ensures the safety, durability, and performance of aircraft while operating under extreme conditions.
- Q: What are the main elements in special steel alloys?
- The main elements in special steel alloys vary depending on the specific alloy, but commonly include elements such as chromium, nickel, molybdenum, and vanadium. These elements are added to enhance the properties of steel, such as corrosion resistance, strength, hardness, or heat resistance, making them suitable for specific applications in industries such as aerospace, automotive, and construction.
- Q: How is case-hardening steel used in the production of gears and shafts?
- Case-hardening steel is used in the production of gears and shafts to enhance their surface hardness and wear resistance. By subjecting the steel to a specialized heat treatment process, such as carburizing, the outer layer of the metal becomes hardened, while the core remains tough and durable. This case-hardening process ensures that the gears and shafts can withstand the high stresses and loads they experience during operation, resulting in improved performance and longevity.
- Q: What are the common challenges in machining titanium alloys?
- Successful and efficient results in machining titanium alloys require addressing several common challenges. One primary challenge is the inherent strength and hardness of the material. Titanium alloys are renowned for their excellent strength-to-weight ratio, making them ideal for various applications. However, this same strength makes them difficult to machine. The high strength of titanium alloys increases the cutting forces needed during machining, resulting in faster tool wear and reduced tool life. This necessitates the use of robust cutting tools made from carbide or ceramic, capable of withstanding demanding conditions and maintaining cutting performance. Another challenge in machining titanium alloys is their poor thermal conductivity. This characteristic leads to rapid heat buildup during cutting, causing localized high temperatures. These high temperatures can cause thermal damage to both the cutting tool and the workpiece, reducing dimensional accuracy and surface finish. To overcome this challenge, implementing effective cooling and lubrication techniques, such as using coolant or high-pressure air, is crucial to dissipate heat and prevent overheating. Furthermore, machining titanium alloys often results in the generation of built-up edge (BUE). BUE refers to the accumulation of workpiece material on the cutting tool, leading to poor chip evacuation, increased cutting forces, and surface finish issues. To mitigate BUE formation, it is recommended to use appropriate cutting speeds and feed rates, as well as cutting fluids that aid in chip evacuation and prevent material adhesion on the tool. Additionally, titanium alloys react strongly with oxygen, causing the formation of a stubborn oxide layer on the surface during machining. This oxide layer can cause tool chipping and premature wear. To combat this, it is necessary to employ suitable cutting speeds and feeds that efficiently remove material while minimizing prolonged exposure to the reactive nature of titanium alloys. Lastly, the low thermal expansion coefficient of titanium alloys can result in workpiece distortion and dimensional inaccuracies. To address this challenge, it is important to ensure proper fixturing and clamping techniques that minimize workpiece movement during machining. In conclusion, machining titanium alloys presents challenges such as high cutting forces, poor thermal conductivity, built-up edge formation, reactive oxide layer, and workpiece distortion. These challenges can be overcome by using appropriate cutting tools, effective cooling and lubrication techniques, proper cutting parameters, and careful workpiece handling.
- Q: What are the corrosion resistance properties of special steel?
- Special steel has excellent corrosion resistance properties due to the addition of specific alloying elements such as chromium, nickel, and molybdenum. These alloying elements create a protective layer on the surface of the steel, preventing the material from reacting with its surrounding environment. This makes special steel highly resistant to corrosion, even in harsh conditions such as exposure to chemicals, moisture, and high temperatures. Additionally, special steel can retain its corrosion resistance properties over long periods, making it a reliable choice for various applications in industries such as construction, automotive, and aerospace.
- Q: Can special steel be used in the medical device manufacturing industry?
- Yes, special steel can be used in the medical device manufacturing industry. Special steel alloys, such as stainless steel, are commonly used in the production of medical devices due to their excellent corrosion resistance, biocompatibility, and mechanical properties. These materials provide durability, sterilization compatibility, and are suitable for various medical applications, including implants, surgical instruments, and diagnostic equipment.
- Q: How is electrical steel used in the production of transformers and motors?
- Electrical steel is commonly used in the production of transformers and motors due to its unique magnetic properties. It is used to construct the cores of transformers and the stators and rotors of motors. The high magnetic permeability and low electrical resistance of electrical steel help in efficiently transferring and converting electrical energy. Additionally, its low core losses and hysteresis make it ideal for reducing energy wastage and enhancing the overall performance of these electrical devices.
- Q: How is special steel used in the power generation industry?
- Special steel is used in the power generation industry for various applications such as turbine blades, generator rotors, and boiler components. These steels possess exceptional strength, corrosion resistance, and heat resistance properties, making them suitable for withstanding high temperatures and pressures in power plants. They help improve the efficiency and reliability of power generation equipment, ensuring safe and uninterrupted electricity production.
- Q: Can special steel be used in the chemical processing equipment manufacturing industry?
- Yes, special steel can be used in the chemical processing equipment manufacturing industry. Special steel is often used in this industry due to its superior corrosion resistance, high temperature resistance, and excellent mechanical properties. It can withstand the harsh chemical environments and extreme operating conditions typically found in chemical processing equipment.
- Q: What are the different corrosion-resistant coatings for special steel?
- There are several corrosion-resistant coatings available for special steel, including zinc coatings, aluminum coatings, stainless steel coatings, and ceramic coatings. These coatings provide a protective barrier that prevents the steel from coming into contact with corrosive elements, thus extending its lifespan and maintaining its structural integrity.
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Grade AISI 5120 CNBM Alloy Steel Round Bar Made in China
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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