1)Material: High chrome steel ball :

Austenitic unhardened stainless steel: SUS302. SUS304, SUS316. 2)SIS316L, SUS420C, SUS440, SUS440C

3)Diameter: 0.10mm~200.0mm (accounting to the request of customer)

4)Hardness: 58~66 HRC (accounting to the request of customer)

5)Standard: Complies with the China GB308-2002 and USA BA1989 standard.

More details about stainless steel balls:

We are Manufacturer of stainless precision steel balls ,which is the unique manufacture in China ,which possesses the most advanced production line .The company facilities Heat-Treatment Furnace, High Speed Heading Machine and Machine for Flashing, Grinding, Lapping and Cleaning ,are all imported from German companies SMS, Specification of miniature steel ball include sizes ranging between 0.5mm dia. to &90mm bore dia. Steel Ball materials include high carbon chromium steel & martensitic stainless steel & carbon steel ball. Miniature balls are available for use in applications including medical devices, aerospace products, power tools, machine tools, auxiliary power supplies, blowers, actuators, gyros, generators, vacuum pumps, food processing, robotics, x-ray machines, dental drills, centerfuges, paristaltic pumps, slot cars, attvs, linear motion devices, yoyo bearings, go carts, fishing reels, snow mobiles, dental products, AC/DC motors, automotive, marine applications, rotary encoders & semi conductor manufacturing equipment.