GB627489A - Heat treatment of nickel-chromium base alloys - Google Patents
Heat treatment of nickel-chromium base alloysInfo
- Publication number
- GB627489A GB627489A GB405046A GB405046A GB627489A GB 627489 A GB627489 A GB 627489A GB 405046 A GB405046 A GB 405046A GB 405046 A GB405046 A GB 405046A GB 627489 A GB627489 A GB 627489A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- heat treatment
- max
- nickel
- alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Nonferrous Metals Or Alloys (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Nickel chromium alloys consisting of at least 50 per cent Ni (which may be replaced by Co up to 40 per cent of the alloy), 5-45 per cent Cr, and 40 per cent (max.) of the following addition elements, 1 per cent (max.) C, 5 per cent (max.) Ti or Si, 25 per cent (max.) Mo and 18 per cent (max.) of each or any of W, Fe, Mn, Al, and V are given a preliminary heat treatment of at least 650 DEG C. and not more than 895 DEG C. before subjecting them to the normal heat treatment. The preliminary treatment may be for 5 to 30 hours and the temperature may be reduced by an amount not exceeding 200 DEG C. during the treatment, gradually or by one or more steps, e.g. 2 hours at 850 DEG C. and 16 hours at 700 DEG C. The alloy may be cooled before being submitted to a normal heat treatment of 1020-1100 DEG C. quenching and ageing at 650-850 DEG C. The alloy may be of the type described in Specification 607,616.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB405046A GB627489A (en) | 1946-02-08 | 1946-02-08 | Heat treatment of nickel-chromium base alloys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB405046A GB627489A (en) | 1946-02-08 | 1946-02-08 | Heat treatment of nickel-chromium base alloys |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB627489A true GB627489A (en) | 1949-08-10 |
Family
ID=9769773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB405046A Expired GB627489A (en) | 1946-02-08 | 1946-02-08 | Heat treatment of nickel-chromium base alloys |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB627489A (en) |
-
1946
- 1946-02-08 GB GB405046A patent/GB627489A/en not_active Expired
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