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

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).

Shandong Jinnai International Trade Co.,Ltd. is one of the professional manufactures which specialize in the

steel ball,like stainless steel ball (201, 304, 316, 420,420C,440C,430),chrome steel ball (AISI52100,100CR6,GCR15),

carbon steel ball(1015,1010,1045,1085), copper brass balls, hollow steel balls ,half steel ball ,plastic ball,glass ball,

Tungsten carbide ball, media ball,ceramic ball,Aluminum ball ,drilled steel ball,ball cages and other kinds of material ball.

We have two companies,one is in Shandong province,other one is in Hong Kong .

After 15 years' effort and development, now we have become one of the leading steel ball suppliers in China.

We are always keeping very kind relationship with many strong ball factories and research institutes in China,

we have been enjoying high reputation in pesticide market domestically and internationally.

We have passed the ISO9001:2008 and our products got SGS,RHOS Certificates.

We have the ability to provide many kinds of steel ball with the accuracy range G5-G2000,size 0.1mm-1000mm.

We are capable of supplying our balls in various kinds of packaging according to customer's specific requirements.

We use perfect equipment to detect the roundness, libration size and the quality of the surface of steel balls.

Welcome to visit our factory and looking forwarder to cooperate with you !