Austenitic alloy
US4006012A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 27, 1975 |
| Grant date | Feb 1, 1977 |
| Priority date | — |
| Expiry date | Mar 27, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C19/056
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An austenitic alloy containing, in weight percent, from 36 to 54% nickel, up to 12% cobalt, up to 15% chromium, up to 10% molybdenum, from 1 to 3.75% titanium, up to 2% aluminum, up to 0.1% carbon, up to 2% manganese, up to 1% silicon, up to 0.05% boron, balance essentially iron; wherein the percentage of iron is at least 24%; wherein the percentage of nickel plus the percentage of cobalt and the percentage of chromium plus the percentage of molybdenum corresponds to the area ACEFA in FIG. 3; and wherein the percentage of nickel is the effective nickel in accordance with the equation: EQU % effective Ni = % actual Ni - 2.4 [(%Ti - 2.8) - 4(%C)] a composite article comprised of a ferritic steel member fastened to a second member with a fastener formed from the austenitic alloy of this invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.