Metal powder in cobalt alloys

Cobalt alloy metal powder

Osprey™ metal powder

Sandvik's range of Osprey™ metal powder includes a wide variety of cobalt alloy metal powder used in processes, such as:

Cobalt alloys used in a wide range of applications.

Selected cobalt alloys incl. chemical composition (nominal), %
Alloy (UNS)	Description	Co	Fe	C	Cr	Ni	Mo	Si	Mn	W	V
CO212	-	Bal.	0.75	0.02^*	28.5	≤1.0	6.0	≤1.0	≤1.0	-	-
CO502	Wear resistant alloy, hardness Rc 41-45.	Bal.	≤3.0	2.0	29.0	≤3.0	-	≤2.0	≤1.0	8.5	-
CO90	-	Bal.	≤3.0	0.1	20.0	10.0	-	≤0.4	1.5	15.0	-
Co49Fe2V	Soft magnetic alloy	Bal.	49.0	≤0.05	-	-	-	≤1.0	≤1.0	-	2.0

* A range of different carbon levels are available.

Other cobalt alloys are also available. Contact us to discuss Sandvik's full range of metal powder alloys.

Cobalt alloy suitable for use as filler metal for brazing applications.

Selected cobalt brazing alloys incl. chemical composition (nominal), %
Alloy	EN 1044	Melting range, ºC	Co	Ni	Cr	Si	Fe	C	P	Other
HTN 12	CO 101	1120–1150^*	Bal.	17.0	10.0	8.0	1.0	≤0.4	≤0.02	W 0.4

* Approximate values

Other cobalt brazing alloys are also available. Contact us to discuss Sandvik's full range of metal powder alloys.

The Osprey range of cobalt thermal spray alloys includes:

Self fluxing alloys
Non self fluxing alloys

Self fluxing cobalt alloys

Self fluxing cobalt alloy formulations giving a wide compositional variation that will produce coatings with optimum wear resistance. Alloy selection depends upon the application requirements, including wear resistance characteristics and the working environment. The metal powder is supplied to suit all thermal spraying and welding systems.

Selected self fluxing cobalt alloys incl. chemical composition (nominal), %
Alloy	Hardness, Rc	Co	C	Cr	Si	B	Fe	Ni	W
Co 201	58–62	Bal.	1.5	19.0	3.0	-	3.0^*	13.0	15.0
Co 441	42–47	Bal.	0.75	19.0	3.0	1.75	3.0^*	13.0	8.0
Co 501	48–52	Bal.	1.0	19.0	3.0	2.0	3.0^*	13.0	10.5
Co 551	50–55	Bal.	1.35	19.0	3.0	2.5	3.0^*	13.0	13.0

* Maximum value

Non self fluxing cobalt alloys

Non self fluxing cobalt alloys formulated to produce high-integrity coatings using plasma and high-velocity thermal spray systems. The alloys are selected to give a wide range of wear resistance properties for abrasion, corrosion and erosion at elevated temperatures.

Selected non self fluxing cobalt alloys incl. chemical composition (nominal), %
Alloy	Hardness, Rc	Co	C	Cr	Ni	Mo	Fe	Si	W	Mn
Co 212	26–30	Bal.	0.25	27.0	1.0	6.0	2.0^*	2.0^*	-	≤1.0
Co 222	26–30	Bal.	0.25	27.0	1.0	6.0	1.0^*	2.0^*	-	≤1.0
Co 310	38–42	Bal.	0.5	25.0	10.0	-	1.5^*	2.0^*	7.0	≤1.0
Co 400	51–58	Bal.	0.08	8.5	3.0	28.5	1.0^*	2.6^*	-	≤1.0
Co 452	38–42	Bal.	1.0	29.0	3.0^*	-	3.0^*	2.0^*	5.0	≤1.0
Co 502	41–45	Bal.	1.5	29.0	3.0^*	-	3.0^*	2.0^*	8.0	≤1.0
Co 552	50–54	Bal.	2.5	30.0	3.0^*	-	3.0^*	2.0^*	13.0	≤1.0
Co 800	54–62	Bal.	0.08	17.5	3.0	28.5	1.0^*	3.4^*	-	≤1.0
Co F01	40–44	Bal.	1.5	25.0	22.0	-	1.0^*	2.0^*	12.0	≤1.0

* Maximum value

Other cobalt thermal spray alloys are also available. Contact us to discuss Sandvik's full range of metal powder alloys.