Hot rolled High Quality Bearing Special Steel Bar
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 500 m.t./month
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Product Description:
OKorder is offering Hot rolled Bearing Special Steel Bar at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
Our products have been used in all kinds of areas, such as aviation, aerospace, navigation, nuclear, energy, chemical industry, electronic information, petrochemical, automotive, instrument and meter, Communication ,transportation, and medical instruments, etc. Bearing ring,steel rolling mill ,machinery, 100Cr6 bearing steel ball is widely used in high-speed and low-noise bearing, bicycle, motorcycle, automobile, bags, electronics.
Product Advantages:
OKorder's Hot rolled Bearing Special Steel Bar are durable, strong, and resist corrosion.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Corrosion resistance
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Product Specifications:
Specifications of Bearing Steel
1. Dimensional sizes: Thickness: 14~100mm.Length:3000~5800mm,Diameter :14-500mm
2.Chemical composition:
C | Si | Mn | Cr | Ni | Cu |
Equal or less than | |||||
0.95-1.05 | 0.15-0.35 | 0.20-0.40 | Cr:1.30-1.65 | 0.30 | 0.25 |
3. Grade: SAE51200/ GCr15 / 100cr6
4. Heat Treatment:
Soft annealing: heat to 680-720°C, cool slowly.
Hardness after annealing: Max. 241 HB
Hardening: 820 - 850 °C
Normalizing temperature: 840-880°C
Tempering: 540-680°C
5. Surface requirements: Black, grinding, bright, polish
6. Characters:
1) Comprehensive properties
2) Good performance in cutting and processing after spheroids annealing
3) High hardness and homogenization after quenching and tempering
4) High abrasive resistance and fatigue resistance
7. Payment terms: T/T or L/C at sight
Packaging & Delivery of Bearing Steel
Mark: Heat No. will be cold stamped and Steel grade, diameter (mm), length (mm), and the manufacturer LOGO and weight (kg) is painted.
Standard seaworthy packing or as customer required
Delivery time: Within 30 days after order is confirmed.
Note:
1. According to national standard (GB) for our products, if not, supply according to national standards (GB) or agreement.
2. We can not only provide electric furnace +LF+VD and electro-slag re-melting (ESR)steel forging materials, but also forging products of piece, bar, etc.
3. Our company is equipped with roll equipment and can provide our customers with roll billets or finished.
4. Please send us your detailed specifications when inquire. We will reply to you ASAP.
FAQ:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q2: How do we guarantee the quality of our products?
A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
Q3: How soon can we receive the product after purchase?
A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.
- Q: What are the common quality control measures for special steel?
- Some common quality control measures for special steel include performing chemical composition analysis, conducting mechanical property testing, inspecting surface defects, ensuring dimensional accuracy, and conducting non-destructive testing such as ultrasonic or magnetic particle inspection. Additionally, the use of standardized quality control systems, such as ISO 9001, can aid in ensuring consistent and reliable production of special steel.
- Q: Are there any international standards for special steel?
- Yes, there are international standards for special steel. These standards are developed and maintained by various organizations such as the International Organization for Standardization (ISO) and the American Society for Testing and Materials (ASTM). These standards ensure that the special steel products meet specific criteria for their composition, properties, and performance, enabling global consistency and compatibility in the industry.
- Q: What are the main advantages of using special steel in the oil and gas industry?
- The main advantages of using special steel in the oil and gas industry include its high strength, corrosion resistance, and ability to withstand extreme temperatures and pressures. Special steel is specifically designed and manufactured to meet the demanding requirements of the industry, ensuring reliable performance and longevity. It also offers excellent weldability, which is crucial for constructing pipelines and equipment used in oil and gas operations. Additionally, special steel's durability and resistance to fatigue make it ideal for withstanding the harsh conditions and environments encountered in the oil and gas sector.
- Q: What are the different types of mold steel?
- There are several different types of mold steel, including P20, H13, S7, and 420 stainless steel. Each type has its own unique properties and is used for specific applications in mold making and injection molding processes. P20 is a versatile mold steel that offers good machinability and wear resistance. H13 is a hot work tool steel known for its high heat resistance and toughness. S7 is a shock-resistant mold steel suitable for applications requiring high impact resistance. 420 stainless steel is corrosion resistant and commonly used for molds that require good polishing and texturing.
- Q: How is leaded steel used in machining operations?
- Leaded steel is commonly used in machining operations due to its improved machinability. The addition of lead to the steel composition enhances its ability to be cut, drilled, and shaped with ease, reducing tool wear and improving surface finish. This type of steel is particularly useful in high-speed machining applications, where efficiency and precision are crucial.
- Q: What are the main advantages of using special steel in the food processing industry?
- The main advantages of using special steel in the food processing industry are its high corrosion resistance, durability, and hygienic properties. Special steel is resistant to rust and corrosion, ensuring that it does not contaminate the food being processed. It also possesses excellent strength and durability, making it suitable for handling heavy loads and withstanding harsh operating conditions. Furthermore, special steel is easy to clean and maintain, promoting a higher level of hygiene in food processing facilities.
- Q: What are the different methods of preventing galvanic corrosion in special steel?
- There are several methods available to prevent galvanic corrosion in special steel: 1. Coating: Applying a protective coating to the surface of the steel can prevent direct contact between the steel and the corrosive environment. This can be done using various types of coatings such as paints, epoxy, or polyurethane. The coating acts as a barrier and prevents the formation of galvanic cells. 2. Cathodic protection: This method involves making the steel the cathode in a galvanic cell, which prevents corrosion. This can be achieved through two techniques: sacrificial anode cathodic protection and impressed current cathodic protection. Sacrificial anode cathodic protection involves connecting a more reactive metal, such as zinc or magnesium, to the steel. The sacrificial anode corrodes instead of the steel, protecting it. Impressed current cathodic protection involves applying a low-level direct current to the steel, which prevents the formation of galvanic cells. 3. Isolation: By physically separating the special steel from other metals that are more reactive, galvanic corrosion can be prevented. This can be done by using insulating materials, such as plastic or rubber, between the steel and other metals. 4. Alloying: The addition of certain alloying elements to the special steel can improve its resistance to galvanic corrosion. For example, adding chromium to steel forms a passive oxide layer on the surface, which acts as a barrier against corrosion. 5. Design considerations: Proper design and engineering can also help prevent galvanic corrosion. For example, avoiding the use of dissimilar metals in close proximity can minimize the potential for galvanic corrosion. Additionally, designing structures to allow for proper drainage and ventilation can prevent the accumulation of moisture, which can accelerate galvanic corrosion. It is important to note that the selection of the most appropriate method for preventing galvanic corrosion in special steel depends on various factors such as the specific environment, cost considerations, and the desired lifespan of the steel.
- Q: What are the different methods of strengthening special steel?
- Special steel can be strengthened in various ways, each with its own benefits and uses. Heat treatment is a common method, involving heating the steel to a specific temperature and then cooling it rapidly or slowly, depending on the desired result. This can involve processes such as quenching, tempering, and annealing, which change the steel's microstructure to enhance its mechanical properties. Another method is alloying, where different elements are added to the steel to improve its strength. For instance, adding elements like chromium, nickel, or molybdenum can enhance the steel's resistance to corrosion, while vanadium or tungsten can increase its hardness and wear resistance. Cold working is another technique used to strengthen special steel, involving deforming the steel at room temperature through rolling, forging, or drawing. This aligns the steel's crystalline structure, boosting its strength and hardness. Moreover, surface treatments can be employed to enhance the strength of special steel. Techniques like carburizing, nitriding, or plating can introduce a hardened layer or coating on the steel's surface, improving its wear resistance and durability. Each method has its own advantages and can be customized to meet specific requirements and applications. By combining different strengthening techniques, special steel can be tailored to fulfill a wide range of industrial needs, making it a reliable and versatile material.
- Q: Can special steel be used in the wood manufacturing industry?
- Yes, special steel can be used in the wood manufacturing industry. Special steel, such as high-speed steel or tool steel, is often used in the production of cutting tools like saw blades or drill bits, which are essential in wood processing. These types of steel offer superior hardness, durability, and resistance to wear, allowing for efficient and precise cutting of wood. Additionally, special steel can also be used in the production of machinery or equipment used in wood manufacturing processes, providing strength and reliability.
- Q: What are the requirements for special steel used in wind turbines?
- The requirements for special steel used in wind turbines are crucial for ensuring the reliability, efficiency, and durability of these large-scale renewable energy systems. Here are some of the key requirements: 1. Strength and Durability: Special steel for wind turbines must possess high strength and durability to withstand the harsh operating conditions, including strong winds, vibrations, and extreme temperature variations. It should have a high fatigue resistance to endure cyclic loading over the turbine's operational life, which can be up to 20-25 years. 2. Corrosion Resistance: Wind turbines are often installed in coastal or offshore environments, where they are exposed to corrosive saltwater and salt-laden air. Therefore, the special steel used in wind turbines must have excellent corrosion resistance to prevent degradation and ensure long-term performance. 3. Weldability: The steel used in wind turbines should be suitable for welding processes to facilitate the fabrication and assembly of the turbine components. Good weldability allows for efficient construction and maintenance, reducing downtime and associated costs. 4. Low Temperature Toughness: Wind turbines are often located in regions with low temperatures, such as arctic or mountainous areas. Special steel used in these turbines should possess good low-temperature toughness, ensuring its mechanical properties remain intact even in cold climates. 5. Magnetic Properties: Wind turbines employ various electrical components, such as generators and transformers, where electromagnetic fields are present. Special steel used in these components should have specific magnetic properties to minimize energy losses and maximize the efficiency of the electrical system. 6. Cost-effectiveness: While meeting all the above requirements, the special steel used in wind turbines should also be cost-effective. It should offer a good balance between performance and cost to ensure the economic viability of wind energy projects. Meeting these requirements is essential to ensure the long-term operation and sustainability of wind turbines, enabling them to generate clean and renewable energy efficiently.
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Hot rolled High Quality Bearing Special Steel Bar
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 500 m.t./month
OKorder Service Pledge
OKorder Financial Service
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