List of Alloys & profiles

List of Alloys & profiles

Alloy Wire International

Datasheet: Nimonic® 90

Nimonic® 90

A Nickel-Chromium-Cobalt alloy being precipitation hardenable, having high stress-rupture strength and creep resistance at high temperatures up to about 950°C (1740°F). It is widely used and a well proven alloy in high temperature conditions.

Nimonic® 90 is also known as Superimphy 90, Pyromet 90, and Udimet 90.

Available in all profile options

alloy featured image inconel Nimonic® 90

Key Features

High stress rupture strength and high creep resistance at high temperatures
Good resistance to high-temperature corrosion and oxidation
Age hardenable
High temperature dynamic applications^^

Typical Applications

Aerospace fasteners


Designations

W.Nr 2.4632
W.Nr 2.4969
UNS N07090
AWS 030

Specifications

AMS 5829
BS HR 501
BS HR 502
BS HR 503
BS 3075 NA 19
ISO 15156
(NACE MR 0175)
NCK 20TA

Chemical Composition

ElementMin %Max %
Nibal
Cr18.0021.00
Fe1.50
Ti2.003.00
Mn1.0
Si1.0
C0.13
Al1.002.00
Co15.0021.00
S0.015
Cu0.20
B0.02
Pb0.002
Zr0.15
Ag0.0005
Bi0.0001

Alloy Details

DensityMelting PointCoefficient of ExpansionModulus of RigidityModulus of Elasticity
8.19 g/cm³1370 °C12.7 μm/m °C (20 – 100 °C)82.5 kN/mm²213 kN/mm²
227 / 240 kN/mm²
0.296 lb/in³2500 °F7.1 x 10-6 in/in °F (70 – 212 °F)11966 ksi30894 ksi
32924 / 34810 ksi

Heat treatment of finished parts

Condition as supplied by AWITypeTemperatureTimeCooling
AnnealedAge Harden750 °C (1380 °F)4 HrAir
Spring TemperAge Harden650 °C (1200 °F)4 HrAir
Spring TemperAge Harden600 °C (1110 °F)16 HrAir

Properties

Annealed
Approx. tensile strength<1000 N/mm²<145 ksi
Approx. operating temperature depending on load** and environment
Annealed + Aged
Approx. tensile strength1200 – 1400 N/mm²174 – 203 ksi
Approx. operating temperature depending on load** and environment up to 550 °Cup to 1020 °F
Spring Temper
Approx. tensile strength1200 – 1500 N/mm²175 – 218 ksi
Approx. operating temperature depending on load** and environment
Spring Temper + Aged
Approx. tensile strength1500 – 1800 N/mm²218 – 261 ksi
Approx. operating temperature depending on load** and environment up to 350 °Cup to 660 °F

The above tensile strength ranges are typical. If you require different please ask.

*Trade name of Special Metals Group of Companies ^^ Dynamic applications = active / lively / changing