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Alloy Multimet N155 (AMS 5532 / AMS 5769)
Technical Data Sheet
Multimet N155 is a Nickel-Chromium-Cobalt alloy with additions of Molybdenum and Tungsten used typically in parts requiring high strength up to 1350°F and oxidation resistance up to 1800°F. Its high-temperature properties are inherent in the as-supplied condition (solution treated at 2150°F) and are not dependent on age-hardening. Multimet N155 is used in a number of aerospace applications such as tailpipes and tail cones, turbine blades, shafts and rotors, afterburner components and high-temperature bolts.
| Chemical Composition Limits | |||||||||||||
| Weight % | C | Mn | Si | P | S | Cr | Ni | Co | Mo | W | Nb | N | Fe |
| Multimet N155 | 0.08-0.16 | 1.00-2.00 | 1.00 max | 0.040 max | 0.030 max | 20.00-22.50 | 19.00-21.00 | 18.50-21.00 | 2.50-3.50 | 2.00-3.00 | 0.75-1.25 | 0.10-0.20 | Bal |
Typical Mechanical Properties
| Material | Form | Ultimate Tensile Strength ksi | Elongation in 2" (min) | Hardness Hb |
| Multimet N155 | Bar (AMS 5769) | 156-217 | ||
| Multimet N155 | Sheet / Plate (AMS 5532) | 110-140 | 40 | - |
Availability
Multimet N155 is available in Bar, Sheet, Plate and Welding Wire. For all stock availability contact Sales.
Specifications
AMS 5532 Sheet, Plate and Strip
AMS 5769 Bars, Rings and Forgings
AMS 5794 Welding Wire
AMS 5795 Coated Electrodes
UNS R30155
