Stainless steel ball aisi 440c Material:;aisi 440c stainless steel Size: 0.5mm-50.8mm Grade: g5-g1000 Hardness:hrc58-65. Certificate:iso9001, ts16949, iso14001 Feature: good wear-resisting property and corrosion resistance, with higher rust resistance and hardness than aisi420. Application: bearing which require corrosion resistance, such as hydraulic parts, grinding machines, petrochemical industry, and etc.
