High Quality Bearing Steel

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Loading Port:: Guangzhou

Payment Terms:: TT or LC

Min Order Qty:: 25MT m.t.

Supply Capability:: 600000 Tons/Year m.t./month

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Specifications of High Quality Bearing Steel

Grade	bearing steel EN-31
Dimensions	Diameter: 20-280mm Length: 2000-5800mm
Shape	Round Bar
Type	High chromium bearing steel
HBS	<220
Standard	AISI
Technique	Hot Rolled

Usage and Applications of High Quality Bearing Steel

High Quality Bearing steel is used for manufacturing ball, roller bearing steel and rings. Bearing in work is under great pressure and friction, so have high demands bearing steel and hardness and resistance, and high elastic limit.

Bearing steels are used for ball and roller bearing applications and are comprised of low carbon steels and high carbon through harden able steel.

For example, bearing ring, steel rolling mill, machinery, 100Cr6 bearing steel ball is widely used in high-speed and low-noise bearing, bicycle, motorcycle, automobile, bags electronically.

Packaging & Delivery of High Quality Bearing Steel

Packaging Detail: Standard seaworthy packing or as customer required.

Delivery Detail: 45 days

Trade terms: FOB, CFR, CIF

MOQ: 25 tons or at customer's demands

We have some characteristics as below:

1. High quality

2. Competitive price

3. On-time delivery

4. Excellent after-sales service

5. Large stocks

Chemical Composition of High Quality Bearing Steel

C	S	P	Si	Mn
0.95-1.05	≤0.025	≤0.025	0.15-0.35	0.25-0.45
Cr	Mo	Ni	Cu	Ni+Cu
1.40-1.65	≤0.10	≤0.30	≤0.25	≤0.50

Note of High Quality Bearing Steel

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 electros lag 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. The materials that we purchase are all accord with International General Standard; you could check it out on the Material Quality Sheet.

5. We are the creator of the “seven-step inspect method” in China.

6. The technical workers we employed are the ones with many years’ working experience, who know the technology procedures very well.

7. We will strictly inspect our production that we sold according to the customer’s request.

8. Our steel reaches international quality standards. Besides, our company is equipped with large-sized vertical saw machines, horizontal saw machines, milling machines, grinding machines and other advanced equipment. All our products are carried out hardness tests, such as the ultrasonic flaw detection before shipment. Therefore, there is no quality problem. With more competitive price than other suppliers, our steel has good sales in the markets of North America, South America, East Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia and West Europe.

Bearing Steel High Quality Mark of Bearing Steel

Q: How is stainless tool steel used in the manufacturing of surgical instruments?: Stainless tool steel is commonly used in the manufacturing of surgical instruments due to its exceptional properties such as corrosion resistance, high strength, and durability. This type of steel ensures that surgical instruments can withstand frequent sterilization processes without corroding or deteriorating. Additionally, stainless tool steel allows for precise shaping and sharpening of surgical instruments, ensuring their effectiveness and longevity in medical procedures.

Q: How does special steel resist oxidation at high temperatures?: Special steel resists oxidation at high temperatures due to the presence of specific alloying elements and a carefully controlled manufacturing process. These alloying elements, such as chromium, nickel, and aluminum, form a protective oxide layer on the surface of the steel when exposed to oxygen in the air. This oxide layer acts as a barrier, preventing further oxidation of the steel. Chromium is particularly effective in forming a stable and dense chromium oxide layer, which acts as a self-healing mechanism. This means that if the oxide layer is damaged or scratched, it will quickly regenerate and continue to protect the steel from further oxidation. Furthermore, the manufacturing process of special steel involves precise control of the composition and heat treatment. This ensures that the steel has a fine and uniform microstructure, minimizing the presence of impurities or defects that could accelerate oxidation. Additionally, the steel is often subjected to various heat treatments, such as annealing or quenching, which further enhance its resistance to oxidation. Overall, the combination of alloying elements, controlled composition, and specific manufacturing processes enable special steel to resist oxidation at high temperatures, making it ideal for applications in industries such as aerospace, power generation, and petrochemical.

Q: How does special steel contribute to the energy aftermarket industry?: The energy aftermarket industry heavily relies on special steel for the production and maintenance of various energy equipment and infrastructure. This type of steel is crucial as it provides durable and high-quality materials. One important application of special steel is in the manufacturing of turbine components like blades, rotors, and casings. These components are essential for power generation, especially in thermal, hydro, and wind energy systems. Special steel possesses exceptional strength, corrosion resistance, and high-temperature stability, ensuring the efficient and reliable operation of turbines even in harsh environments. Moreover, special steel plays a vital role in the construction and upkeep of oil and gas pipelines. These pipelines are responsible for transporting energy resources over long distances and require materials that can withstand extreme pressures, temperatures, and corrosive environments. Special steel grades with enhanced mechanical properties and corrosion resistance are utilized to maintain the integrity and safety of these pipelines, ultimately improving the efficiency and reliability of the energy aftermarket industry. Furthermore, special steel is used in the production of storage tanks, heat exchangers, and various other components employed in the oil, gas, and renewable energy sectors. These components are crucial for storing and processing energy resources and necessitate materials that can endure high pressures, temperature changes, and aggressive chemicals. Special steel grades provide the necessary mechanical properties and corrosion resistance, enabling safe and efficient energy storage and processing. Apart from its material properties, special steel also enables advanced manufacturing techniques like precision machining and welding. These techniques are crucial for producing complex energy equipment and components, ensuring high accuracy, reliability, and efficiency in the production process. This, in turn, leads to high-quality end products that meet the demanding requirements of the energy aftermarket industry. Overall, special steel significantly contributes to the energy aftermarket industry by providing materials with exceptional strength, corrosion resistance, and high-temperature stability. Its utilization in the manufacturing and maintenance of energy equipment and infrastructure enhances efficiency, reliability, and safety, ultimately supporting the growth and sustainability of the industry.

Q: What are the main factors affecting the corrosion resistance of special steel?: The main factors affecting the corrosion resistance of special steel are the composition of the steel, the presence of alloying elements, the surface condition, the exposure environment, and the presence of protective coatings or treatments.

Q: Can special steel be used for making defense industry components?: Yes, special steel can be used for making defense industry components. Special steel refers to a category of steel that is specifically designed and engineered to possess superior properties and characteristics compared to standard steel grades. These properties include high strength, excellent toughness, corrosion resistance, heat resistance, and wear resistance. In defense industries, components such as armor plates, military vehicles, weapons systems, aircraft structures, and naval vessels require materials that can withstand extreme conditions and provide optimal performance. Special steel, due to its exceptional properties, meets these requirements and is commonly used in the production of defense industry components. For example, armor plates used in military vehicles and personal body armor are often made from special steel alloys that can withstand ballistic impacts and provide protection to the personnel. Similarly, aircraft structures and naval vessels require steel that can withstand high stresses, corrosion from saltwater, and extreme temperatures, all of which can be achieved with special steel. Additionally, special steel is also used in the manufacturing of defense industry components due to its ability to be machined, welded, and fabricated easily. This allows for efficient production and assembly of complex defense equipment. Overall, special steel is a crucial material in the defense industry as it offers exceptional strength, durability, and performance characteristics, making it an ideal choice for manufacturing defense components that need to withstand rigorous and demanding conditions.

Q: What are the specific requirements for special steel used in the aerospace fastener industry?: The aerospace fastener industry requires special steel that meets specific requirements in order to ensure the safety, reliability, and performance of aircraft components. These requirements include: 1. High strength: Special steel used in aerospace fasteners must have exceptional strength to withstand the extreme forces and stresses experienced during flight. This is crucial for maintaining the structural integrity of aircraft components. 2. Corrosion resistance: Aerospace fasteners are exposed to various environmental conditions, including moisture, high temperatures, and chemicals. Therefore, the steel used must possess excellent corrosion resistance properties to prevent degradation and maintain the longevity of the fasteners. 3. Fatigue resistance: As aircraft components undergo repeated loading and unloading cycles during their lifetime, the special steel used in aerospace fasteners must exhibit exceptional fatigue resistance. This ensures that the fasteners can withstand the cyclic loading without fracturing or experiencing any structural failures. 4. Temperature resistance: Aerospace fasteners are subject to extreme temperature variations, ranging from sub-zero temperatures at high altitudes to elevated temperatures near engines. The steel used should have excellent temperature resistance to maintain its mechanical properties under these conditions. 5. Lightweight: In the aerospace industry, weight reduction is crucial to improve fuel efficiency and increase the payload capacity of aircraft. Therefore, special steel used in aerospace fasteners should be lightweight without compromising on strength and other necessary properties. 6. Non-magnetic properties: Some aerospace applications require non-magnetic fasteners to prevent interference with sensitive electronic equipment, such as avionics and navigation systems. Therefore, the special steel used in such cases must exhibit non-magnetic properties. 7. Compliance with industry standards: Special steel used in the aerospace fastener industry must meet the stringent standards and specifications set by regulatory bodies, such as the International Organization for Standardization (ISO) and the National Aerospace and Defense Contractors Accreditation Program (NADCAP). Compliance with these standards ensures the quality and reliability of the fasteners. Overall, the specific requirements for special steel used in the aerospace fastener industry encompass high strength, corrosion resistance, fatigue resistance, temperature resistance, lightweight properties, non-magnetic characteristics, and compliance with industry standards. Meeting these requirements is essential to ensure the safety and performance of aircraft components.

Q: What are the main advantages of using special steel in the power generation industry?: Special steel offers several key advantages in the power generation industry. Firstly, its exceptional strength and durability make it highly resistant to the harsh operating conditions of power plants, ensuring long-lasting performance and reducing maintenance costs. Additionally, special steel's excellent heat resistance properties allow it to withstand high temperatures and pressure, crucial for power generation processes. Moreover, its corrosion resistance minimizes the risk of degradation and potential failure, enhancing overall safety and reliability. Lastly, special steel's unique composition enables it to maintain its mechanical properties at extreme temperatures, enabling efficient energy conversion and improving power plant efficiency.

Q: How is alloy steel used in the manufacturing of gears and shafts?: Alloy steel is commonly used in the manufacturing of gears and shafts due to its superior strength, durability, and resistance to wear and tear. Its unique properties make it ideal for withstanding high torque and heavy loads, ensuring smooth and efficient operation of gears and shafts in various industrial applications.

Q: How does special steel contribute to the defense aftermarket industry?: Special steel plays a crucial role in the defense aftermarket industry by providing enhanced strength, durability, and resistance against extreme conditions. This allows for the manufacturing of high-performance components and equipment, such as armored vehicles, aircraft, and naval vessels. Special steel's unique properties enable the production of advanced weaponry and protective gear, ensuring the safety and effectiveness of defense operations. Additionally, its ability to withstand intense heat and pressure makes it ideal for critical applications like missile guidance systems and nuclear reactors. Overall, special steel is an essential material that drives innovation and strengthens the capabilities of the defense aftermarket industry.

Q: What are the requirements for special steel used in high-strength applications?: To ensure the performance and durability of special steel used in high-strength applications, specific requirements must be met. These requirements encompass various factors: 1. High tensile strength is crucial in withstanding heavy loads and resisting deformation. It enables the steel to endure greater stresses without failure. 2. Excellent toughness is essential as it allows the steel to absorb energy and resist fracture. This prevents sudden and catastrophic failure under impact or dynamic loading conditions. 3. Superior hardness is necessary to resist wear, abrasion, and indentation. It ensures that the material maintains its structural integrity and performance even in extreme conditions. 4. Good ductility is important alongside high tensile strength. It allows the steel to undergo plastic deformation without fracturing, making it suitable for forming or shaping during manufacturing. 5. Resistance to corrosion is vital to prevent degradation caused by moisture, chemicals, or harsh environments. This ensures the longevity and reliability of the steel in various conditions. 6. Heat resistance is required for applications involving high temperatures. It allows the steel to maintain its mechanical properties and structural stability under elevated temperatures. 7. Controlled alloying elements, such as chromium, molybdenum, nickel, or vanadium, are often added to enhance the steel's strength, toughness, hardness, and other desired properties. 8. Precise composition and microstructure are necessary to ensure consistent and predictable mechanical properties. This can be achieved through precise manufacturing processes like controlled cooling rates or heat treatments. By meeting these requirements, special steel used in high-strength applications can endure the demanding conditions it faces, providing reliable performance, longevity, and safety.

FORWARD is specialized in special steel, die steel, including: plastic die steel, hot work steel, cold work steel, alloy structural steel, bearing steel, high speed tool steel, carbon steel, stainless steel and so on with different specification. We sincerely provide high quality and favourite price. Our company keeps the principle of “reputation is fisrt, customer is our god”. Honest, pragmatic spirit are directing our production and sale, in order to serve our valued customer with convenient, top speed and best from here.

1. Manufacturer Overview

Location	Guangdong, China
Year Established	2005
Annual Output Value	Above US$ 100 Million
Main Markets	korea, India, Malaysia, Brazil, Germany, Belgium, Middle East
Company Certifications

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port	Guangzhou
Export Percentage	50%-80%
No.of Employees in Trade Department	21-100 People
Language Spoken:	English; Chinese
b) Factory Information
Factory Size:	23,000 square meters
No. of Production Lines	1
Contract Manufacturing	OEM servise offered
Product Price Range	high; average