stainless steel ball

440	420	320/304	316
Give maximum hardness with good corrosion resistance to fresh water, steam, crude oil, and gasoline, perspiration, alcohol, and blood and food environment.	Offer good hardness and surface finish	Offers excellent corrosion resistance in organic, acid, oxidizing, food environment, etc	With the addition of molybdenum improves corrosion resistance particularly to sculpture acid compounds
HRC 58 to 65.	HRC 52-57	Non-annealed hardness: Rockwell "C" 25 to 39 Annealed hardness: "B" 75 to 90.	Non-annealed hardness: Rockwell "C" 25 to 39. Annealed hardness: Rockwell "B" 75 to 90.
2 ～ 25mm	2 ～ 25mm	2 ～ 25mm	2 ～ 25mm
G20 - G1000	G20 - G1000	G20 - G1000	G20 - G1000
Castors, conveyors, roller skates, drawer slides, seat slides, bicycles, etc.	Castors, conveyors, roller skates, drawer slides, seat slides, bicycles, etc.	Most of Chemical application: valves, aerosol, finger pumps, etc.	For the application of Inks, photographic chemicals, bleaches, dyes and nitric acids industry.