Description
Nimonic PK33
NIMONIC ®alloy PK33 is a vacuum processed nickel-base alloy that was developed to provide a sheet material offering improved ductility in welded assemblies and high creep strength to replace NIMONIC alloys 80A and 90 .NIMONIC alloy PK33 is extremely resistant to thermal shock and thermal fatigue, has good weld ability and is, therefore, attractive for combustion chambers, jet pipes and reheat systems for high performance gas turbine engines.
%Chemical Composition
| Cr | Mn | Fe | Cu | Si | C | Ni |
| 20 – 16 | (max) 0.5 | (max) 1 | (max) 0.2 | (max) 0.5 | (max) 0.07 | Balance |
| S | Zr | B | Mo | Co | Al | Ti |
| (max) 0.015 | (max) 0.06 | (max) 0.005 | 9 – 5 | 16 – 12 | 2.5 – 1.7 | 3 – 1.5 |
Density & Melting Range
| Melting Range (Celsius) | Density |
| 1345 – 1300 | (g/cm) 8.21 |
Mechanical Properties
| % Elongation | Yield Strength (MPa) | Tensile Strength (MPa) |
| 30 | 750 | 1150 |
DM unit
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