US4042383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wrought filler metal for welding highly-castable, oxidation resistant, nickel-containing alloys
Assignee: Huntington Alloys Corp
•
Filing: 1976-05-17
•
Granted: 1977-08-16
•
Expires: 1996-05-17
Abstract
Abstract An alloy particularly directed to use as a wrought filler metal and contains certain percentages of chromium, iron, boron, molybdenum, nickel and optionally carbon, manganese and silicon.
Inventors
- 👤 Walter Adrian Petersen
- 👤 Robin Mackay Forbes Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:52
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/053; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3033; B23K35/304
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
69 words
A hot-workable, cold-workable welding filler metal characterized by a capability for producing sound, oxidation-resistant weld deposits consisting essentially of (by weight) up to about 0.1% carbon, up to about 2% manganese, up to about 1% silicon, from about 19% to about 24% chromium, from about 15% to about 25% iron, from about 0.12% to about 0.4% boron, from about 4% to about 8% molybdenum, and the balance essentially nickel.
Claim 2
Dependent Claim
69 words
A hot-workable, cold-workable welding filler metal characterized by a capability for producing sound, oxidation-resistant weld deposits consisting essentially of (by weight) up to about 0.1% carbon, up to about 2% manganese, up to about 1% silicon, from about 19% to about 24% chromium, from about 15% to about 25% iron, from about 0.12% to about 0.4% boron, from about 4% to about 8% molybdenum, and the balance essentially nickel.
Claim 3
Dependent Claim
59 words
A filler metal in accordance with claim 1 containing from about 0.003% to about 0.06% carbon, up to about 1% manganese, up to about 0.4% silicon, from about 20% to about 24% chromium, from about 17% to about 23% iron, from about 0.15% to about 0.4% boron, from about 5% to about 7% molybdenum, and the balance essentially nickel.
Claim 4
Dependent Claim
19 words
As a new article of manufacture, a wrought filler metal having a composition as set forth in claim 1.
Claim 5
Dependent Claim
19 words
As a new article of manufacture, a wrought filler metal having a composition as set forth in claim 2.
References Cited (Backward Citations)
US2403128A
Cited
US2743175A
Cited
US3582318A
Cited
US3726668A
Cited
AU7061674A
Cited
US3892541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-08-15 | 1981-02-14 | 1981-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-15 | 1985-02-14 | 1985-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-15 | 1989-02-14 | 1989-08-16 | $7700.00 | Window Closed / Lapsed |