Stainless Steel ball for bearing AISI304

Basic Information
Material	201 304 316 420C 440C
Metric Size	0.4mm - 50mm
Inch Size	1/64" - 2"
Grade	G100 G200 G500 G1000

 

Chemical Composition
	201	304	316	420C	440C
%C	0.150 Max	0.080 Max	0.080 Max	0.43 - 0.50	0.95 - 1.20
%Si	1.00 Max	0.75 Max	1.00 Max	1.00 Max	1.00 Max
%Mn	5.50 - 7.50	2.00 Max	2.00 Max	1.00 Max	1.00 Max
%P	0.060 Max	0.045 Max	0.045 Max	0.040 Max	0.040 Max
%S	0.030 Max	0.030 Max	0.030 Max	0.030 Max	0.030 Max
%Cr	16.00 - 18.00	18.00 - 20.00	16.00 - 18.00	12.50 - 14.50	16.00 - 18.00
%Ni	3.50 - 5.50	8.00 - 10.50	10.00 - 14.00	-	-
%N	0.250 Max	0.100 Max	-	-	-
%Mo	-	-	2.00 - 3.00	-	0.75 Max

 

Mechanical Properties
	201	304	316	420C	440C
Density	7.85 g/m3	7.95 g/m3	7.95 g/m3	7.70 g/m3	7.75 g/m3
Hardness	25 - 39 HRC	10- 39 HRC	10 - 39 HRC	52 - 60 HRC	57 - 65 HRC
Tensile Strength	100 - 180 PSI×103	72 - 188 PSI×103	80 - 180 PSI×103	250 -  275 PSI×103	275 - 290  PSI×103
Young's Modulus	200 GPa	200 GPa	200 GPa	205 GPa	210 GPa

 










 

Application

 

201: Special bearings, automotive components, switches, die casting devices. They are widely used in the electronic industry.


 

304: Special bearings and pumps, aerosol pumps, gardening and household sprayers, perfume miniature pumps, seams, medical application valves, agricultural backpack sprayers. They are used in foodstuff, aerospace and military industry.


 

316: Special bearings, pumps and valves, aerosol and dispenser sprayers. Utilised in the foodstuff, paper, chemical, rubber, military, textile industry. Applications in photographic devices, medical instruments, quick couplings, recirculating balls, ink cartridges, jewels.


 

420C: Special bearings, anti-friction bearings, special pumps, recirculating balls, lighters, pens, automotive seatbelts & components.


 

440C: Precision bearings, anti-friction bearings, special valves, conveyor belts and rollers, ballpoint pens. They are used in foodstuff, medical instruments, quick couplings, recirculating ball bearings, knotting devices, oil refinery devices.