Hot Rolled High Quality 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:
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
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.
Q4: What makes stainless steel stainless?
A4: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.
- Q:How does the availability of raw materials affect the production of special steel?
- The availability of raw materials significantly impacts the production of special steel. Raw materials, such as iron ore, coal, and various alloys, are crucial components in the steel manufacturing process. A limited supply or increased cost of these materials can hinder production and result in higher production costs. Additionally, the quality and consistency of raw materials influence the final product's properties and performance. Therefore, the availability of raw materials directly affects the overall production capacity, cost-effectiveness, and quality of special steel.
- Q:What are the different surface treatments used for special steel?
- Special steel can undergo different surface treatments to meet specific requirements and achieve desired properties. Some commonly used treatments include: 1. Nitriding: By diffusing nitrogen into the steel surface, a hardened layer is formed, improving surface hardness, wear resistance, and fatigue strength. 2. Carburizing: Carbon is introduced into the steel surface, creating a hard and wear-resistant layer. This treatment enhances surface hardness and improves resistance to wear and fatigue. 3. Coating: A thin layer of protective material, such as zinc, chrome, or ceramic, is applied to the steel surface. Coatings provide corrosion resistance, improved aesthetics, and enhanced durability. 4. Shot peening: Small metallic or ceramic particles are bombarded onto the steel surface, inducing compressive stresses that enhance fatigue strength and resistance to cracking. 5. Electroplating: Through an electrical current, a thin layer of metal is deposited onto the steel surface. This treatment improves corrosion resistance and enhances appearance. 6. Passivation: The steel surface is treated with a chemical solution to remove impurities and create a protective oxide layer. This process improves corrosion resistance and enhances surface finish. 7. Anodizing: Although commonly used for aluminum, anodizing can also be applied to special steel. It involves creating an oxide layer on the steel surface through an electrolytic process. This treatment improves corrosion resistance, provides an aesthetic finish, and can be used for coloring. These surface treatments offer various benefits and are chosen based on specific application requirements, such as corrosion resistance, wear resistance, hardness, aesthetics, or improved mechanical properties.
- Q:How is silicon steel used in electrical transformers?
- Silicon steel is used in electrical transformers as it possesses high magnetic permeability and low electrical conductivity, making it an ideal choice for the core material. The silicon content in the steel increases its resistivity and reduces the energy losses caused by eddy currents. This allows for efficient energy transfer and minimizes heat generation within the transformer.
- Q:What are the requirements for special steel used in high-performance racing cars?
- The requirements for special steel used in high-performance racing cars include high strength and durability, excellent fatigue resistance, good thermal conductivity, and the ability to withstand high temperatures and extreme conditions. Additionally, it should have low weight and high stiffness to enhance the car's performance and maintain its structural integrity under intense stress and vibration.
- Q:What are the different types of high-speed steel?
- There are several different types of high-speed steel, including M1, M2, M42, and T1. These variations have different compositions and properties, such as varying levels of tungsten, molybdenum, and vanadium, which affect their hardness, toughness, and heat resistance.
- Q:What are the advantages of using special steel in the marine sector?
- Special steel has several advantages when used in the marine sector. Firstly, special steel is highly resistant to corrosion, which is crucial in a marine environment where constant exposure to saltwater can cause regular steel to rust and deteriorate. This corrosion resistance extends the lifespan of structures and components, reducing maintenance costs and increasing safety. Secondly, special steel offers excellent strength and toughness, making it suitable for the demanding conditions of the marine sector. It can withstand high stress, impact, and vibration, ensuring the integrity of the structures even in rough seas or extreme weather conditions. Moreover, special steel can be fabricated into various shapes and sizes, allowing for customization and optimization of marine components. This versatility enables the production of lightweight yet robust structures, improving fuel efficiency, and reducing the overall weight of the vessel. Additionally, special steel can withstand low temperatures, making it suitable for marine applications in colder climates or polar regions. It retains its mechanical properties even in sub-zero temperatures, ensuring the safety and reliability of marine operations. In summary, the advantages of using special steel in the marine sector include corrosion resistance, high strength and toughness, versatility in fabrication, and low-temperature resistance. These qualities enhance the durability, safety, and efficiency of marine structures and components.
- Q:What are the main applications of special steel in the mining processing?
- Special steel is widely used in mining processing due to its superior strength, durability, and resistance to extreme conditions. It is primarily used in the manufacturing of mining equipment such as crushers, conveyors, and drilling machines. Special steel is also utilized in the construction of mining infrastructure, including tunnels, shafts, and support structures. Additionally, it is employed in the production of wear-resistant components, such as grinding balls and liners, which are crucial for efficient ore processing. Overall, special steel plays a vital role in enhancing the productivity, efficiency, and safety of mining operations.
- Q:Can special steel be used for structural applications?
- Yes, special steel can be used for structural applications. Special steels, such as high-strength and corrosion-resistant alloys, are often used in various structural applications where exceptional strength, durability, and reliability are required. These steels offer superior properties compared to regular carbon steels, making them suitable for demanding structural projects in industries like construction, automotive, aerospace, and offshore.
- Q:How does special steel contribute to reducing product weight?
- Special steel contributes to reducing product weight through its unique properties. Special steel is known for its high strength-to-weight ratio, allowing manufacturers to use thinner and lighter steel components without compromising on strength and durability. This means that products made with special steel can be designed with reduced material thickness, resulting in overall weight reduction. Additionally, special steel's excellent corrosion resistance properties can eliminate the need for additional protective coatings, further reducing the product's weight.
- Q:How does special steel contribute to national security?
- Special steel contributes to national security in several ways. Firstly, it is used in the manufacturing of weapons and defense equipment, providing the military with advanced and high-performance materials for their operations. This includes the production of armored vehicles, submarines, aircraft carriers, and missile systems, enhancing a country's defense capabilities. Additionally, special steel is essential in the construction of critical infrastructure, such as bridges, power plants, and communication networks, which are vital for national security. Overall, special steel plays a crucial role in strengthening a nation's defense industry and infrastructure, thereby contributing significantly to national security.
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Hot Rolled High Quality 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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