Nimonic 90 (UNS N07090 / W.Nr. 2.4632)

Nimonic 90 (UNS N07090 / W.Nr. 2.4632) is a precipitation hardenable nickel-chromium-cobalt alloy strengthened by the addition of Titanium and Aluminium. Alloy 90 has a high stress rupture strength and creep-resistant at temperatures to 920°C.

Equivalent Grades

TrademarkGBGOSTASTMUNSDINW.Nr.NFBSJISSS
Nimonic 90GH4090Nimonic 90N07090NiCr20Co18Ti2.4632NC20TNiCr20Ti
HR 5

Chemical Composition, %

AlloyCSiMnPSCrNiCoAlTiCuFe
Nimonic 90≤0.13≤1.00≤1.00≤0.020≤0.01518.0-21.0Bal15.0-20.01.0-2.02.0-3.0≤0.20Bal

Typical Physical and Mechanical Properties (RT, Annealed)

Density, g/cm3Melting Point, ℃Tensile Strength, MPaYield Strength, MPaELongation, %Hardness, HRB
8.181310-1370≥1080≥690≥20/

Available Products and Specifications

Rod, Bar, Wire and ForgingsBS HR2, HR501, HR503, AMS 5829
Plate, Sheet and StripBS HR 202
Pipe and TubeBS HR 402
Welding Product
Others

Features

Nimonic 90 has a high stress rupture strength and creep-resistant at temperatures to 920°C.

Applications

Nimonic 90 is typically used in extreme stress applications such as turbine blades, hot working tools, exhaust reheaters, disc and high-temperature springs.