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With Fe-43Ni-12Cr  as the basis, the austenite aging hardening alloy with titanium, aluminum and  equal strengthening elements is added, and contains trace amounts of boron and  lower carbon.

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Nimonic 901 Chemical Performance
C	Cr	Ni	Mo	Al	Ti	Fe	B
0.02~0.06	11.0~14.0	40.0~45.0	5.0~6.5	=0.30	2.8~3.1	remainder	0.01~0.02
Mn	Si	P	S	Cu	Bi	Pb	Ag
=0.50	0.40	0.020	0.008	0.20	0.0001	0.001	0.0005

Product Description

Nimonic 901 characteristics:
 The alloy has a  high yield strength and lasting strength below 650?, good oxidation  resistance under 760? and stable long-term use. The alloy is an more mature alloy of the  early development, widely used in the manufacture of under 650? work of  aviation and ground gas turbine engine rotating disc (turbine and compressor  disk, journal, etc.) turbine outer ring and the static structure and fasteners  and other components.

 

Heat treating Regime: 1090?±10?,2~3h, water-cooling or oil cooling +775?±5?,4h, air cooling+700?~720?,24h, air cooling

Variety specification and status: We can supply all kinds of forging parts, ring parts, bars and  other forgings. The supply state can be delivered by heat treatment or without  heat treatment.

Smelting and casting process: The alloy adopts vacuum induction and vacuum arc remelting process,  and vacuum induction and electroslag remelting process can be used.

 

Product Application

Nimonic 901 Application:

The alloy is  widely used abroad for the rotating parts and fasteners of the aircraft engine  and ground gas turbine at 650 degrees. The service life is longer. It is also  used in aviation engines, and is a mature alloy that has been tested.
 Alloy forging,  if the process parameter is selected or operated not right, its performance  will show the obvious direction, and may cause the notch sensitivity, but as  long as the strict process, this phenomenon will not occur. The expansion  coefficient of the alloy is close to the iron alloy steel, so that the two  materials can face the hot rise without special provisions.

 

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