轴承钢球性能及材质成份英文表示方法，其他材质表示方法，请联系中山红润泰钢球Lisa：hrt8@chnsteelball.com

SpecificationAISI 52100, 100Cr6, 1.3505, SUJ2, EN31B

DescriptionA low alloy chrome steel specifically formulated for use in bearings.

Material Composition:
Carbon (C) 0.98% to 1.1%
Chrome (Cr) 1.45%
Silicon (Si) 0.23%
Manganese (Mn) 0.35%
Posphorous (P) < 0.025%
Sulphur (S) < 0.025%

Mechanical Properties:
Density: 7.81 g cm-1
Hardness: 58 to 66 HRC
Modulus of Elasticity: 210GPa
Shear Modulus: 80GPa
Poissons Ratio: 0.3

Electrical PropertiesElectrical resistivity: 2.19 ?Ohm mm；

Thermal PropertiesCoefficient of thermal expansion @20-300C: 12.00x10-6 K-1

Thermal conductivity 46.6 W m-1 K-1

Corrosion Resistance Low resistence to corrosion, and particularly prone to pitting in damp atmosphereric conditions.
Care must be taken to avoid moisture in both use and storage.

Available Sizes 0.5mm (1/64") to 150mm (2") although availability of sizes above 2" is limited

Available Grades
AFBMA Std 10: 3, 5, 10, 15, 20, 25, 28, 50, 100, 200, 500, 1000, 2000
ISO 3790: 3, 5, 10, 15, 20, 25, 28, 50, 100, 200, 500, 1000, 2000
DIN 5401:Class I, Class II, Class III, Class IV, Class V, Class VI

Applications Ball Bearings, Valves, Measuring Equipment, Ball Screws,

General Information By far the most used ball material, Chrome steel balls provide the most cost effective solution for the vast majority of applications.