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:Does special steel have any magnetic properties?: Yes, special steel can have magnetic properties. The magnetic properties of special steel depend on its composition and processing. Some types of special steel are specifically designed to be magnetic, while others may have low magnetic permeability.

Q:What are the different surface coatings available for special steel?: There are several different surface coatings available for special steel, including galvanizing, electroplating, powder coating, and thermal spraying. These coatings help to enhance the steel's corrosion resistance, durability, and aesthetic appearance.

Q:What are the common challenges in welding special steel?: Some common challenges in welding special steel include controlling heat input, preventing distortion and cracking, ensuring proper fusion, and managing the formation of undesirable microstructures. Special steels often have specific alloy compositions and properties that make them more sensitive to heat and more prone to cracking. Therefore, precise control of welding parameters, preheating, and post-weld heat treatment are crucial to overcome these challenges and achieve high-quality welds in special steel.

Q:How does special steel contribute to the safety of infrastructure?: Special steel contributes to the safety of infrastructure by providing enhanced strength, durability, and resistance to corrosion. This type of steel is specifically designed and manufactured to withstand extreme conditions and load-bearing requirements, making it ideal for critical infrastructure components such as bridges, buildings, and pipelines. The use of special steel ensures that these structures can withstand natural disasters, heavy traffic, and other potential threats, reducing the risk of collapse or failure and enhancing overall safety for users and communities.

Q:What are the effects of different heat treatment processes on special steel?: Different heat treatment processes can have significant effects on the properties and performance of special steel. These processes are designed to alter the microstructure of the steel, thereby influencing its hardness, strength, toughness, and other mechanical properties. One commonly used heat treatment process is annealing, which involves heating the steel to a specific temperature and then slowly cooling it down. Annealing helps to relieve internal stresses, improve machinability, and enhance the ductility of the steel. It also refines the grain structure, making the steel more uniform and reducing the risk of cracks or other defects. Another heat treatment process is quenching, where the steel is heated to a high temperature and then rapidly cooled by immersing it in a quenching medium such as oil or water. This process results in the formation of a hardened microstructure, increasing the steel's hardness and wear resistance. However, quenching can also make the steel brittle, so it is often followed by a tempering process. Tempering involves reheating the quenched steel to a lower temperature and holding it there for a specific duration. This process helps to reduce the brittleness caused by quenching and improve the steel's toughness and ductility. The resulting microstructure is a balance between hardness and toughness, making the steel suitable for applications that require both strength and impact resistance. Other heat treatment processes, such as normalizing and stress relieving, can also be used to achieve specific properties in special steel. Normalizing involves heating the steel to a temperature above its critical point and then allowing it to cool in still air. This process refines the grain structure and improves the steel's strength and machinability. Stress relieving, on the other hand, aims to remove residual stresses from the steel by heating it to a temperature below its critical point and then slowly cooling it. In summary, the effects of different heat treatment processes on special steel are manifold. These processes can modify the steel's microstructure, resulting in changes in hardness, strength, toughness, and other mechanical properties. By selecting the appropriate heat treatment process, manufacturers can tailor the steel's characteristics to suit specific applications, ensuring optimal performance and longevity.

Q:What is the role of heat treatment in special steel?: The role of heat treatment in special steel is to enhance its mechanical properties and improve its performance by altering its microstructure through controlled heating and cooling processes. This helps to achieve desired properties such as increased hardness, strength, toughness, and ductility, as well as improved wear resistance and corrosion resistance. Heat treatment also allows for the refinement of grain structure, elimination of internal stresses, and modification of the steel's crystalline structure, which ultimately improves the overall quality and usability of special steel in various applications.

Q:What are the different methods of surface finishing for special steel?: Some different methods of surface finishing for special steel include electroplating, powder coating, hot-dip galvanizing, and passivation.

Q:What are the main characteristics of corrosion-resistant steel?: Corrosion-resistant steel, also known as stainless steel, is a type of steel alloy that possesses unique characteristics that make it highly resistant to corrosion. Here are the main characteristics of corrosion-resistant steel: 1. High resistance to corrosion: One of the primary characteristics of corrosion-resistant steel is its ability to resist corrosion. This is achieved through the addition of specific alloying elements, such as chromium, nickel, and molybdenum, which form a protective layer on the surface of the steel. This protective layer, known as the passive layer, prevents the underlying steel from coming into contact with corrosive substances, such as moisture, chemicals, and acids. 2. Excellent durability: Corrosion-resistant steel exhibits exceptional durability, making it suitable for various applications in harsh environments. It can withstand exposure to extreme temperatures, high humidity levels, and corrosive chemicals without deteriorating or losing its structural integrity. This durability ensures that structures made from corrosion-resistant steel have a long service life, reducing the need for frequent maintenance and replacements. 3. Aesthetic appeal: In addition to its functional properties, corrosion-resistant steel also offers aesthetic appeal. Its smooth and polished surface gives it a visually pleasing appearance, making it a popular choice for architectural applications, interior design, and decorative elements. The ability to maintain its appearance over time, without rusting or discoloration, adds to its desirability in both industrial and domestic settings. 4. High strength: Corrosion-resistant steel is known for its high strength and toughness. It retains its mechanical properties even in corrosive environments, allowing it to withstand heavy loads, impacts, and other external forces. This strength makes it suitable for applications where structural integrity and safety are crucial, such as bridges, buildings, marine equipment, and automotive components. 5. Versatility: Corrosion-resistant steel offers versatility in terms of its applications. It can be easily fabricated, welded, machined, and formed into various shapes and sizes, allowing for customization and adaptability. This versatility makes it ideal for a wide range of industries, including construction, aerospace, automotive, chemical processing, and marine. 6. Hygienic properties: Another important characteristic of corrosion-resistant steel is its hygienic properties. Its non-porous surface prevents the growth of bacteria, making it suitable for applications in the food and beverage industry, healthcare facilities, and pharmaceutical manufacturing. The ease of cleaning and maintenance further enhances its hygiene standards. Overall, corrosion-resistant steel combines excellent resistance to corrosion with durability, strength, versatility, and aesthetic appeal. These characteristics make it a reliable and cost-effective material for various industries, ensuring long-term performance and protection against the damaging effects of corrosion.

Q:Can special steel be used in the production of cutting tools?: Yes, special steel can be used in the production of cutting tools.

Q:How does special steel contribute to the flexibility of products?: There are multiple ways in which special steel contributes to the flexibility of products. Firstly, its high strength and durability are well-known, enabling manufacturers to create products that can withstand heavy loads or extreme conditions. This allows for the production of flexible products suitable for various applications, ranging from automotive parts to construction materials. Furthermore, special steel possesses exceptional ductility and malleability, meaning it can be easily shaped, bent, or molded into different forms without compromising its structural integrity. This flexibility in design empowers manufacturers to produce products with intricate details and complex shapes, meeting specific customer demands or industry standards. Moreover, special steel's resistance to corrosion and wear guarantees that products made with this material have a longer lifespan and can endure harsh environments. This enhances the flexibility of products by minimizing the need for frequent replacements or repairs, ultimately saving time and costs for both manufacturers and end-users. Additionally, special steel's ability to maintain its mechanical properties at high temperatures makes it suitable for applications where thermal stability is vital. This enables the production of products that can function reliably in extreme heat or cold conditions, expanding their potential uses in industries such as aerospace, energy, or manufacturing. To summarize, special steel's high strength, ductility, corrosion resistance, and thermal stability all contribute to the flexibility of products. By providing a versatile and dependable material, special steel facilitates the production of products that can adapt to diverse requirements and environments, offering improved performance and longevity.

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