100Cr bearing steel

100Cr bearing steel has comprehensive mechanical properties and is a widely used high-performance steel. Its excellent physical, chemical and mechanical properties make it particularly suitable for manufacturing key components such as inner and outer rings, rolling elements and transmission components of rolling bearings.

The chemical composition of 100Cr bearing steel has been carefully designed to meet its use requirements in high-stress, high-wear environments.

Its chemical composition mainly includes:

Carbon (C): 0.93% - 1.05%

Silicon (Si): 0.15% - 0.35%

Manganese (Mn): 0.25% - 0.45%

Phosphorus (P): maximum 0.025%

Sulfur (S): 0.015% maximum

Chromium (Cr): 1.40% - 1.65%

Copper (Cu): maximum 0.30%

Aluminum (Al): maximum 0.05%

Oxygen (O): Max. 0.0015%

100Cr bearing steel material characteristics:

1. High strength and hardness: 100Cr bearing steel has high strength and hardness, can withstand high stress and high wear environments, and maintain stable performance. The common hardness is 60-66HRC.

2. Excellent wear resistance: The steel has high surface hardness and can effectively resist the cutting and erosion effects of abrasive particles, thereby maintaining the integrity and performance stability of the material.

3. Good toughness: Even under extreme conditions, such as low temperature or high-speed impact, 100Cr6 bearing steel can maintain its structural integrity and effectively resist damage caused by impact and vibration.

4. Excellent corrosion resistance and oxidation resistance: Because it contains a certain amount of chromium, 100Cr6 bearing steel has excellent corrosion resistance and oxidation resistance, and can maintain stable performance in harsh environments.

5. Good dimensional stability: It has good dimensional stability after heat treatment, which is crucial for the accuracy and life of the bearing.

6. Excellent cutting performance: means it can be easily processed into bearing parts of various shapes and sizes, which is very important for production and manufacturers, making the production process more efficient and precise.

7. Reliable high-temperature performance: It can maintain stable performance in high-temperature environments and is suitable for bearing requirements that bear heavy loads and high speeds in high-temperature applications, such as power stations, metallurgy, and mining.

The manufacturing process of 100Cr6 bearing steel includes smelting, forging, heat treatment and other links. During the smelting process, the chemical composition and impurity content need to be strictly controlled to ensure the quality of the steel. The forging process can improve the internal structure of steel and increase its strength and toughness. Heat treatment is a key link in the manufacturing process of 100Cr6 bearing steel. Through reasonable heat treatment process, the performance of the steel can be further optimized and its wear resistance and fatigue strength can be improved.

Application areas:

Due to its excellent performance and wide adaptability to application scenarios, 100Cr6 bearing steel is widely used in many fields such as machinery manufacturing, automobile manufacturing, aerospace, petrochemical industry, etc.In the field of machinery manufacturing, this steel is often used to manufacture high-precision, high-load bearings, such as machine tool spindle bearings, gearbox bearings, etc.In the field of automobile manufacturing, 100Cr6 bearing steel is often used to manufacture key components such as engine bearings and transmission system bearings. In addition, it can also be used to manufacture steel balls, rollers and bushings on transmission shafts of internal combustion engines, electric locomotives, tractors, steel rolling equipment, drilling rigs, railway vehicles, mining machinery, etc., as well as tools such as molds and measuring tools.

100Cr6 bearing steel has shown great application potential in many application scenarios due to its excellent physical, chemical and mechanical properties.

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