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Nickel-Chromium-Cobalt alloy 

Chemial Composition

Grade	%	Ni	Co	Cr	Fe	Zr	B	C	Mn	Si	S	P	Cu	Al	Ti
Nimonic 90	Min	Rest	15.0	18.0										1.0	2.0
	Max		21.0	21.0	1.5	0.15	0.02	0.13	0.4	0.8	0.015	0.02	0.2	2.0	3.0

 

Mechanical properties

Heat treatment	Tensile Strength(σb/MPa)	Yield Strength(σp0.2/MPa)	Elongation(σ5 /%)
Solution treatment	820	590	8

 

Nimonic 90 is a wrought Nickel-Chromium-Cobalt base alloy being precipitationhardenab, having highing stress rupture strength and creaep resistance at high temperatures up to about 950°C (1740 °F ).

Usage: This alloy is used for turbing blades, discs, forgings, ring sections, hot-working tools and high-temperature springs.