Overview
Severe corrosion and heat resistant alloy with high strength resistance. It has good oxidation resistance at high temperature. In addition, it is fairly resistant to sulfuric and nitric acid.
Typical Uses
Turbine engine parts, exhaust manifolds, and furnace components.
MetalTek Grade
MTEK N155
Similar Specifications
Cast UNS: R30155
Wrought UNS: R30155
Cast Grade:
Military/AMS: AMS 5376
* AMS specifying investment casting.
Typical Chemical Composition (% by wt.)
Aluminum: n/a
Carbon: 0.2
Chromium: 20.0-22.5
Manganese: 1-2
Iron: n/a
Copper: n/a
Nickel: 19-21
Lead: n/a
Tin: n/a
Silicon: 1
Zinc: n/a
Other: Co 18.5-21.0; Mo 2.5-3.5; W 2-3; Nb
Minimum Mechanical Properties
Heat Treatment: Normally Used As Cast