5950

High-Temp Steel

5950

Oxidation-resistant low-expansion alloy. (AMS; equiv UNS N07783 / AMS 5950). Nominal values—confirm mill certificate.

Chemical Composition (%)

NI26
CR2.5
CO32
NB2.5

Mechanical Properties

Tensile:≥1310 MPa;Yield:≥930 MPa

Chinese Standard

AMS 5950

Equivalent Standards

AMS 5950

Applications

抗氧化低膨胀合金。,Bar

Available Forms

Cobalt alloy with exceptional wear, galling and high-temperature corrosion resistance. Used in cutting tools, valve seats, dental and orthopaedic implants, gas-turbine parts.

Uses

Solution treated and aged (≈650–800 °C) for wear alloys; many Stellite-type grades are used as-cast or hardfaced.

Heat Treatment

Very abrasive to tooling when hardfaced; machine in annealed condition where possible. Excellent galling resistance reduces need for lubrication.

Precautions

UNS N07783

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