Incoloy 901 / UNS N90901 /

Incoloy® 901, NIMONIC® 901, Alloy 901, AISI 681, AISI 682, PWA 1002, PWA 1003, SPS M259, UNS N90901, AMS 5660, AMS 5661, B50A30628, DIN, 84B, 84B。

Incoloy901 Product description：

Incoloy901 is a solid solution-hardening deformed superalloy based on Fe-Ni-Cr, with metastable γ”Ni(Ti, Al) phase for aging strengthening, a trace of aluminum can inhibit the conversion of γ” to η-Ni3Ti phase. The alloy has high yield strength and lasting strength below 650℃, good oxidation resistance below 760℃, long-term use of stable structure. The alloy has a high yield strength below 650℃

Alloy 901 Chemical composition:

%	Ni	Cu	Al	Fe	Ti	Co	Mn	S	C	Si	P	Cr	Mo	B
Min.	40				2.35							11	5	0.01
Max.	45	0.5	0.35	Rest	3.1	1	1	0.03	0.1	0.6	0.03	14	7	0.02

Alloy901 Physical properties:

Density	8.14 g/cm3
Melting point	1280-1345℃

Alloy 901 minimum mechanical properties in the room temperature:

Status	Tensile strength	Yield strength	Elongation
Status	Rm N/mm2	RP0.2N/mm2	A5 %
Alloy901	1034	689	12

Specifications：

bar	AMS 5661/AMS 5660
forging/ring	AMS 5661
wire	AMS 5830

Incoloy 901 alloy application：

The alloy is used in components in aircraft and gas turbines, such as turbine rotors, compressor discs, hubs and shafts, with a maximum operating temperature of about 1100ºF (595ºC).