General Description

Nimonic 90 (UNS N07090/W. Nr. 2.4632) is a precipitation hardenable nickel-chromium-cobalt alloy strengthened by the addition of titanium and aluminium. Nimonic 90 has a high stress rupture strength and creep-resistant at temperatures to about 920°C. Nimonic 90 is better suited for extremely high temperatures than Inconel X 750 (or Inconel 718).

Chemical Composition

Grade Ni% Cr% Co% C% Si% Cu% Fe% Mn% Ti% Al% B% S% Zr%
Nimonic 90 Rem. 18-21 15-21 Max 0.13 Max 1.0 Max 0.2 Max 1.5 Max 1.0 2.0-3.0 1.0-2.0 Max 0.02 Max 0.015 Max 0.15

Specifications

Grade UNS Werkstoff Nr.
Nimonic 90 N07090 2.4632

Physical Properties

Grade Density Melting Point Thermal Conductio Linear Expansibility
Nimonic 90 8.2 g/cm3 1400 °C 21.76(100℃) λ/(W/m•℃) 12.7(20~100℃) a/10-6℃-1

Mechanical Properties (20°C Min )

Condition Tensile Strength Yield Strength σp0.2/MPa
Solution Treatment 820 Mpa 590 Mpa

Size Range

Nimonic 90 Wire: ¢0.1mm-¢9mm
Nimonic 90 Bar: ¢11mm-¢200mm
Strip&Sheet also available per request.

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