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Material grades and equivalents: Stellit 6; UNS R3006; AMS 5387C-2001

2020-03-31

Introduction:

STELLITE 6 is the most widely used of the wear resistant cobalt-based alloys and exhibits good all-round performance. It is regarded as the industry standard for general-purpose wear resistance applications.

Stellite 6 Chemical components

C	Cr	Si	W	Fe	Mo	Ni	Mn	B	Co
1.2	28	1.1	4.5	3		3	1		bal
The chemical composition shown above is an outline only,and should not be taken as a full specification. Note that cored wire may have higher Fe contents than other product forms.

Stellit 6 Physical property (Room Temp.)

Density (lb/in³)	Specific Gravity	Solidus	Liquidus	Specific heat (J/kg·K)	Magnetic Permeability	Electrode Potential	Electrical Conductivity	Electrical Resistivity
0.305	8.46	2340°F	2540°F	0.101°F Btu/lb-	<1.2@200 Oersteds	-0.25 Volts	1.9%IACS (Int. Annealed Copper Std.)	41.73 microhms-inch

Stellite 6 Thermal Properties-Conductivity & Expansion

Thermal Expansion Coefficient				Thermal Conductivity by Temperature
°F	Microinch/ inch-°F	°C	Microns/ m-°C	°F	Btu/ft2/in/ hr/°F	°C	W/mk
212	6.3	100	11.34	70	102.7	21.11	14.82

Next: Microstructure and tribological properties of cobalt-based Stellite 6 alloy coating by electro-spark deposition