GB826712A - Improvements in or relating to precipitation hardenable austenitic alloys - Google Patents
Improvements in or relating to precipitation hardenable austenitic alloysInfo
- Publication number
- GB826712A GB826712A GB26525/57A GB2652557A GB826712A GB 826712 A GB826712 A GB 826712A GB 26525/57 A GB26525/57 A GB 26525/57A GB 2652557 A GB2652557 A GB 2652557A GB 826712 A GB826712 A GB 826712A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alloy
- precipitation hardenable
- relating
- added
- austenitic alloys
- 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
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
A precipitation hardenable austentic alloy having high rupture strength at elevated temperatures has the following composition in percentages by weight. .Ni.20 to 35 .Cr.7 to 23 .Mn.0.3 to 2.5 .Si.0.1 to 1.5 .Mo and/or W.1.25 to 3.5 in total .Ti.1.6 to 3.5 .B.0.005 to 0.5 .V.0 to 0.5 .Al.0 to 0.4 .C.less than 0.1 .Co.0 to 20 .Fe.the balance The alloy may be prepared by melting Fe, Ni, and Mo, in an induction furnace, protected by an inert slag and deoxidized by the addition of a Ca-Si alloy. Fe-Cr and Fe-Ti or pure Cr and Ti, Mn, V and Al are added and the melt is stirred electromagnetically. Fe-B is added just before casting. After forging, parts made from the alloy may be solution heat treated at 980 DEG C. to 1200 DEG C. and aged for at least 10 hours at 620 DEG C. to 780 DEG C.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US826712XA | 1956-09-18 | 1956-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB826712A true GB826712A (en) | 1960-01-20 |
Family
ID=22172656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB26525/57A Expired GB826712A (en) | 1956-09-18 | 1957-08-22 | Improvements in or relating to precipitation hardenable austenitic alloys |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB826712A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5152920A (en) * | 1974-11-06 | 1976-05-11 | Tokushu Seiko Co Ltd | Reikanatsuzono yoinajidoshahaikibarubuyotainetsuko |
| JPS5155719A (en) * | 1974-11-12 | 1976-05-17 | Tokushu Seiko Co Ltd | Reikanatsuzono kanonajidoshahaikibarubuyotainetsuko |
| JPS5632382B2 (en) * | 1973-08-02 | 1981-07-27 | ||
| WO2022089814A1 (en) * | 2020-10-28 | 2022-05-05 | Siemens Energy Global GmbH & Co. KG | Alloy, raw workpiece, component consisting of austenite, and method for heat-treating an austenite |
-
1957
- 1957-08-22 GB GB26525/57A patent/GB826712A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5632382B2 (en) * | 1973-08-02 | 1981-07-27 | ||
| JPS5152920A (en) * | 1974-11-06 | 1976-05-11 | Tokushu Seiko Co Ltd | Reikanatsuzono yoinajidoshahaikibarubuyotainetsuko |
| JPS5155719A (en) * | 1974-11-12 | 1976-05-17 | Tokushu Seiko Co Ltd | Reikanatsuzono kanonajidoshahaikibarubuyotainetsuko |
| WO2022089814A1 (en) * | 2020-10-28 | 2022-05-05 | Siemens Energy Global GmbH & Co. KG | Alloy, raw workpiece, component consisting of austenite, and method for heat-treating an austenite |
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