Cobalt-Based Alloy Powder

AA-3321 is a cobalt-based alloy powder with excellent wear resistance and high-temperature oxidation resistance. It is composed of cobalt, chromium, tungsten, nickel, silicon, and carbon, and may also contain small amounts of aluminum, niobium, tantalum, and other alloy elements.

Particle Size: AA-3321 has a particle size range of -140 to +325 mesh, which makes it suitable for various applications where a fine particle size is required.

Type: AA-3321 is a gas atomized powder, which means it is produced by melting the alloy and then atomizing it with high-pressure gas. This results in a spherical powder shape, which provides good flowability and packing density.

Composition: AA-3321 is a cobalt-based alloy powder that contains a high percentage of cobalt, which gives it excellent wear resistance. The addition of chromium and tungsten further improves its wear resistance and high-temperature oxidation resistance. Nickel, silicon, and carbon provide additional strength and corrosion resistance to the alloy.

AA-3321 is a versatile alloy powder that can be used in various industries for applications that require excellent wear resistance and high-temperature oxidation resistance. Some common applications include:

High-temperature pressure valves: AA -3321's high-temperature oxidation resistance makes it an ideal material for high-temperature pressure valves.

Saw teeth:AA-3321's wear resistance and toughness make it suitable for use in saw teeth, which require a hard material that can withstand the stress and strain of cutting.

Extrusion screws: AA-3321's wear resistance and high-temperature oxidation resistance make it a good choice for use in extrusion screws, which require a material that can withstand the high temperatures and pressures of the extrusion process.

Similar to St12: AA-3321 has similar properties to St12, a low carbon steel commonly used in the automotive industry. However, AA-3321 has much better wear resistance and high-temperature oxidation resistance than St12, making it a superior choice for applications that require high wear resistance and high-temperature stability.

Overall, AA-3321 is a high-performance alloy powder that offers excellent wear resistance and high-temperature oxidation resistance. Its versatile properties make it suitable for a wide range of applications in various industries.

Brand	Product Name	AMPERIT	METCO/AMDRY	WOKA	PRAXAIR	PAC
AA-331	CoCrMoSi	340	66 / 3002		CO109 / 1247	T400
AA-333	CoCrMoSi	342	68 / 3001 / 4800		CO111 / 1248	T800
AA-332	CoCrWCNiSi
AA -3321	CoCrWCNiSi
AA-3322	CoCrWCNiSi	Similar to 344	4060		CO106    1256	6     46
AA-3323	CoCrWCNiSi
AA-3324	CoCrWCNiSi	344	45    x40		CO105 / CO285	90
AA-3325	CoCrWCNiSi

Brand	Product Name	Chemistry (wt%)								Hardness	Temperature	Properties & Application
		Cr	W	C	Ni	Si	B	Mo	Co
AA -331	CoCrMoSi	8				2.6		28	Bal.	HRC 54	≤ 840ºC	•Wear resistance, scratch resistance •Corrosion resistance •Bearings, brake valves, bushings, cams, blades
AA-333	CoCrMoSi	17.5				3.4		35	Bal.	HRC53	≤ 840ºC	•Wear resistance, scratch resistance •Corrosion resistance •Bearings, brake valves, bushings, cams, blades
AA-332	CoCrWCNiSi	25	7.5	0.8	10	1			Bal.	HRC 30	≤ 840ºC	•Valve seat •Bearing •Blade •Similar to St1
AA-3321	CoCrWCNiSi	30	4	1.5	3	1.4		4	Bal.	HRC45	≤ 840ºC	•PTA, APS, HVOF, laser cladding,  spherical •High temperature pressure valves, saw teeth, extrusion screws •Similar to St12 •Good wear resistance in high temperature
AA-3322	CoCrWCNiSi	30	4.5	1	3	1.4			Bal.	HRC 40	≤ 840ºC	•PTA, APS, HVOF, laser cladding,  spherical •Engine valves, high temperature pressure values, turbo engine blades •Similar to St6 •Good wear resistance in high temperature
AA-3323	CoCrWCNiSi	28		0.25	3	1		5.5	Bal.	HRC55	≤ 840ºC	•Turbine blades •Fluid valves •Valve seat •Similar to St21
AA-3324	CoCrWCNiSi	25.5	7.5	0.5	10.5	1			Bal.	HRC 30	≤ 840ºC	•Extrusion molds •Gas turbine blades •Similar to St31
AA-3325	CoCrWCNiSi	21.0	5	0.1	1	1.6	2.4		Bal.	HRC50	≤ 840ºC	•PTA, APS, HVOF, laser cladding,  spherical •High temperature wear resistance •Motorcycle valves •Similar to C050 •Self-fluxing •Good wear resistance in high temperature