High Quality Hot rolled Bearing Steel Bar
- Ref Price:
-
- Loading Port:
- China main port
- 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:
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
Usage & Applications of Bearing Steel
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.
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.
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: How does special steel perform in terms of corrosion resistance in acidic environments?
- Special steel, also known as stainless steel, is highly regarded for its exceptional corrosion resistance in various environments, including acidic conditions. It contains a minimum of 10.5% chromium, which forms a protective layer on the surface of the steel known as a passive film. This passive film acts as a barrier, preventing the steel from coming into direct contact with the corrosive elements present in acidic environments. The chromium content in special steel enables it to react with oxygen in the atmosphere, creating a thin and transparent oxide layer. This oxide layer is highly stable and self-healing, making stainless steel highly resistant to corrosion caused by acids. The presence of other alloying elements such as nickel and molybdenum further enhances its resistance to acidic corrosion. In acidic environments, special steel exhibits excellent resistance to both general corrosion and localized corrosion, such as pitting and crevice corrosion. It can withstand a wide range of acid concentrations and temperatures, making it suitable for applications in industries such as chemical processing, pharmaceuticals, and marine environments where exposure to acidic solutions is common. It is important to note that the performance of special steel in acidic environments may vary depending on the specific grade and composition of the steel. Different grades of stainless steel have varying levels of alloying elements, which can influence their corrosion resistance properties. Therefore, it is essential to select the appropriate grade of special steel that matches the specific acidic environment to ensure optimal performance and longevity.
- Q: What are the challenges in forging special steel?
- Forging special steel poses several challenges due to its unique composition and properties. Firstly, special steels often have high carbon content, making them harder to forge compared to lower carbon steels. The high carbon content increases the risk of cracking and requires careful temperature control during the forging process to prevent metallurgical issues. Secondly, special steels may contain alloying elements like chromium, molybdenum, or nickel, which enhance their specific properties. However, these alloying elements can also contribute to increased hardness and brittleness, making the forging process more challenging. Special attention must be given to heat treatment procedures to achieve the desired balance of strength and toughness. Furthermore, the complex internal structure of special steels, including the presence of inclusions and segregation, can further complicate the forging process. These internal defects can lead to uneven deformation, inadequate mechanical properties, or even failure during forging, necessitating meticulous quality control measures. Lastly, the cost of special steel materials is generally higher than that of regular steels, making any errors or wasted materials during the forging process more significant. The need for specialized equipment, skilled labor, and stringent quality assurance further adds to the challenges associated with forging special steel. Overall, forging special steel demands expertise, precision, and meticulous control of various parameters to ensure the desired mechanical properties and quality of the final product.
- Q: What are the future trends in special steel manufacturing?
- Some of the future trends in special steel manufacturing include advancements in technology and automation, increased focus on sustainability and environmental impact, development of new alloys and materials with enhanced properties, and growing demand for specialized steels in industries like aerospace, automotive, and renewable energy. Additionally, there is a shift towards customization and tailored solutions to meet specific customer requirements, as well as an emphasis on research and development to drive innovation in the field.
- Q: What are the challenges in casting special steel?
- Some of the challenges in casting special steel include achieving the desired chemical composition and metallurgical properties, ensuring proper fluidity and mold filling, controlling shrinkage and porosity, dealing with high melting temperatures, and managing the presence of alloying elements and impurities. Additionally, the complex and intricate designs of special steel components can pose challenges in achieving accurate and defect-free casting.
- Q: How does special steel contribute to the mining industry?
- Special steel contributes to the mining industry by offering enhanced durability, high strength, and resistance to extreme conditions. It is used in various mining equipment and machinery, such as drills, excavators, and crushers, to withstand the harsh environment and increase efficiency. Additionally, special steel alloys with specific properties are utilized in mining processes like ore extraction and mineral processing, ensuring optimum performance and reducing downtime.
- Q: Can special steel be used for making defense industry components?
- Indeed, the utilization of special steel in the production of defense industry components is possible. Special steel pertains to a classification of steel that has been deliberately designed and engineered to possess superior attributes and qualities when compared to standard steel grades. These attributes comprise high strength, exceptional toughness, resistance to corrosion, heat resistance, and wear resistance. Within defense industries, the materials utilized for components like armor plates, military vehicles, weapons systems, aircraft structures, and naval vessels must be able to endure extreme conditions while delivering optimal performance. Special steel, with its extraordinary attributes, fulfills these requirements and is frequently employed in the manufacturing of defense industry components. For instance, armor plates employed in military vehicles and personal body armor are commonly constructed from special steel alloys that can withstand ballistic impacts and safeguard personnel. Similarly, aircraft structures and naval vessels necessitate steel that can endure high stresses, corrosion caused by saltwater, and extreme temperatures, all of which can be accomplished through the use of special steel. Furthermore, the ease with which special steel can be machined, welded, and fabricated also contributes to its application in the production of defense industry components. This facilitates efficient production and assembly of intricate defense equipment. Overall, special steel is an essential material within the defense industry as it presents exceptional strength, durability, and performance attributes, rendering it an ideal selection for the production of defense components that must withstand rigorous and demanding conditions.
- Q: Can special steel be used in the production of fasteners?
- Yes, special steel can be used in the production of fasteners. Special steel, such as alloy steel or stainless steel, offers enhanced strength, corrosion resistance, and durability, making it suitable for various fastening applications. Its unique properties ensure reliable and long-lasting connections in industries like automotive, construction, and aerospace.
- Q: What are the different carburizing techniques used for special steel?
- There are several carburizing techniques used for special steel, including gas carburizing, pack carburizing, liquid carburizing, and vacuum carburizing. Each technique involves introducing carbon into the surface of the steel to enhance its hardness and wear resistance. Gas carburizing involves heating the steel in a controlled atmosphere of carbon-rich gas, while pack carburizing entails surrounding the steel with a mixture of carbon-rich material and heating it. Liquid carburizing involves immersing the steel in a bath of molten salts or other carbon-rich liquid, and vacuum carburizing utilizes a low-pressure environment to introduce carbon into the steel's surface. These techniques are chosen based on the specific requirements of the steel and the desired end properties.
- Q: How does special steel contribute to improving product functionality?
- Special steel contributes to improving product functionality in several ways. Firstly, special steel has enhanced strength and durability compared to regular steel, making it suitable for applications where high load-bearing capacity is required. This increased strength allows for the production of lighter and more compact products without sacrificing performance or safety. Additionally, special steel often exhibits excellent corrosion resistance, which is crucial in industries such as automotive, aerospace, and marine, where products are exposed to harsh environments. This corrosion resistance prolongs the lifespan of the product, reducing maintenance costs and enhancing reliability. Furthermore, special steel can be tailored to have specific properties, such as high temperature resistance or magnetic properties, which are essential for various industries. For example, in the energy sector, special steel is used in turbine blades that operate at extremely high temperatures, improving energy efficiency and power generation. In summary, special steel's superior strength, durability, corrosion resistance, and customizable properties contribute significantly to enhancing product functionality across a wide range of industries.
- Q: What are the casting methods for special steel?
- There are several casting methods used for special steel, including investment casting, sand casting, and centrifugal casting. Investment casting involves creating a wax pattern of the desired shape, which is then coated in ceramic and melted away, leaving a cavity that is filled with molten steel. Sand casting involves making a mold from a mixture of sand and a binder, and pouring molten steel into the mold cavity. Centrifugal casting utilizes centrifugal force to distribute molten steel into a mold, resulting in a more uniform casting with fewer defects.
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High Quality Hot rolled Bearing Steel Bar
- Ref Price:
-
- Loading Port:
- China main port
- 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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