Multimet N155

Nickel

Multimet N155 nickel alloy

Multimet N155 supplied by Shanxi Youte Steel (jlhsteel.net).

Chemical Composition (%)

NI	18
CR	20
CO	18
MO	2.5
W	2

Chinese Standard

AMS 5533

Equivalent Standards

R30556

Applications

Aerospace, chemical processing, marine, nuclear, heat resistance.

Available Forms

Bar, Plate, Sheet, Tube, Wire, Forging, Pipe

Uses

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

Heat Treatment

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

Precautions

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

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