AISI420 SS420C Round Steel Balls Bearings 1/2" 12.7MM 5/8" 15.875MM G1000

Product Description

AISI420 SS420C Stainless Steel Balls For Ball Bearings 1/2" 12.7MM 5/8" 15.875MM G1000
 

 
Applications
 
Special bearings, anti-friction bearings, special pumps, recirculating balls, lighters, pens,
 
automotive seatbelts & components.
 
Chemical composition

Physical / mechanical / thermal / electric / magnetic properties

 

Property	Symbol	U.o.M.	Type	Notes	Values
Density	δ	[g/cm3]	Physical	Room temp.	7.75
Young's modulus	E	[GPa]	Mechanical	-	205
Specific heat	c	[J/kg-K]	Thermal	Room temp.	450
Coefficient of linear thermal expansion	α	[10^-6/ºC]	Thermal	(ΔT=0-100°C)	10.4
Thermal conductivity	λ	[W/(m·K)]	Thermal	Room temp.	27.6
Electric resistivity	ρ	[Ω*m*10^-9]	Electric	-	720
Relative magnetic permeability	µ	-	Magnetic	Not hardened	> 600

 

Grade

 

Corrosion Resistance
Good corrosion resistance in industrial atmosphere, freshwater, steam, alcool, ammonium, several oilfield products and organic compounds, dairy products, mild acid environments. Fairish in foodstuff and alkaline solutions. Fair in salt atmosphere. It does not resist in contact with sea water and strong acids (even if diluted).