Bearing Steel Round Bar

Bearing Steel Round Bar is the steel used to manufacture rolling bearings such as balls, rollers and sleeves, belongs to the superior steel, can also be used to make precision gauges, cold punching molds, machine tool screws and diesel oil pumps precision coupling parts.

Advantages of bearing steel round bar
1. High-strength bearing steel round bar has high strength, can withstand large loads and impact. This enables the bearings to maintain stable performance in high-speed operation and heavy load conditions, prolonging the service life.
2. good wear resistance bearing steel round bar has good wear resistance, can resist friction and wear, reduce energy loss and equipment maintenance times. This enables the bearings to maintain stable performance under severe working conditions.
3. good corrosion resistance bearing steel round bar has good corrosion resistance, can resist acid, alkali, salt and other corrosive media erosion, prolong service life. This enables the bearings to work in harsh environments, such as high temperature, high humidity, corrosive gases.
4. thermal stability bearing steel round bar has good thermal stability, can maintain stable performance in high temperature environment. This enables the bearings to work in high temperature working conditions, such as engines, furnaces, etc.

The use of bearing steel round bar
1. Mechanical Manufacturing Bearing steel is one of the indispensable materials in mechanical manufacturing. In mechanical equipment, bearings are widely used in transmission systems to support and rotate shafts, bushings and other components. The high strength, high hardness and good wear resistance of bearing steel make the bearings have a long service life and reliable performance.
2. automotive industry bearing steel plays an important role in the automotive industry. It is used in the manufacture of automobile engines, transmissions, steering systems and other key components. The high-temperature strength and wear resistance of bearing steel enable automobiles to operate in harsh conditions and provide stable power output.
3. The aerospace sector has extremely high material requirements, and bearing steel is one of the ideal materials to meet these requirements. It is widely used in aircraft engines, aircraft structures and other critical components. The high strength, high temperature strength and corrosion resistance of bearing steel make aerospace equipment more safe and reliable.
4. Energy field on bearing steel demand is also very large. For example, in the field of wind power generation, bearing steel is used to manufacture the main bearings and gearbox bearings of wind turbines to ensure the efficient operation of wind power generation equipment. In the field of nuclear energy, bearing steel is also used in the core equipment of nuclear power plants to ensure the safe and stable operation of nuclear power plants.

Bearing steel round bar has a wide range of uses, with advantages such as high strength, good wear resistance, corrosion resistance and thermal stability. It plays an important role in machinery, automobile, aerospace, energy and other fields, providing reliable support for the development of various industries. With the progress of science and technology and industrial development, the application prospect of bearing steel round bar will be more broad.

Bearing steel round bar has different standards in each country. The following are common national standards:

Chinese standard:
GB/T 18254 “High-carbon chromium bearing steel” is a specification for bearing steel in China's national standard, which includes the chemical composition, mechanical properties, and dimensional tolerances of different types of bearing steel.

British Standard:
BS ISO 683-17 is a British standard, which is an international standard on bearing steel, which includes the chemical composition, mechanical properties and other requirements of different types of bearing steel.

American standard:
ASTM A295 is a standard issued by the American Society for Testing and Materials (ASTM), which regulates the chemical composition and mechanical properties of high-load bearing steel.

Japanese standard:
JIS G4805 is a specification for high-carbon chromium bearing steel in Japanese Industrial Standards (JIS for short), which includes the chemical composition and mechanical properties of different types of bearing steel.

The normal length of steel shall meet the following requirements:
The length of hot rolled round bar is 3000mm~8 000mm;
The length of forged round bar is 2000 mm~6 000 mm;
The length of cold-drawn round bar is 3000mm~6000mm.
The steel products shall be delivered in full length within the specified length range, and the length difference between the longest and shortest steel products in each bundle shall not exceed 1000 mm.