Nickel base casting alloy, casting, and method for manufacturing an impeller of a rotary machine
US10787723B2 · kind B2 · utility
2Cited by
2References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 7, 2017 |
| Grant date | Sep 29, 2020 |
| Priority date | — |
| Expiry date | Aug 8, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2300/17
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A nickel base casting alloy includes a composition, by weight percent: 19.0-22.5 chromium, 7.0-9.5 molybdenum, 2.75-4.0 niobium, 1.0-1.7 titanium, 0.35-1.0 manganese, 0.2-1.0 silicon, 0-0.03 carbon, 0-0.015 phosphorus, 0-0.01 sulfur, 0-0.35 aluminum, 0-13.25 iron, the balance being nickel and incidental impurities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.