GB779544A - Improvements in or relating to valve seat inserts - Google Patents
Improvements in or relating to valve seat insertsInfo
- Publication number
- GB779544A GB779544A GB519156A GB519156A GB779544A GB 779544 A GB779544 A GB 779544A GB 519156 A GB519156 A GB 519156A GB 519156 A GB519156 A GB 519156A GB 779544 A GB779544 A GB 779544A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- nickel
- tungsten
- valve seat
- relating
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/22—Valve-seats not provided for in preceding subgroups of this group; Fixing of valve-seats
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/055—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 20% but less than 30%
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Lift Valve (AREA)
Abstract
779,544. Alloys. THOMPSON PRODUCTS, Inc. Feb. 20, 1956. No. 5191/56. Class 82(1) [Also in Group XXVII] A cast valve seat insert for internal combustion engines comprises a ring 12 of a nickel-base alloy consisting of carbon 2.25- 2.75 per cent, nickel 37-- 43 per cent, chromium 18- 22 per cent, cobalt 10-14 per cent, tungsten, molybdenum or mixtures. thereof, 5-7 per cent, and the balance iron apart from the usual impurities. A preferred composition is 2.5 per cent carbon, 40 per cent nickel, 20 per cent chromium, 12 per cent-cobalt, 6 per cent tungsten (or 3 per cent tungsten and 3 per cent molybdenum) and the balance iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB519156A GB779544A (en) | 1956-02-20 | 1956-02-20 | Improvements in or relating to valve seat inserts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB519156A GB779544A (en) | 1956-02-20 | 1956-02-20 | Improvements in or relating to valve seat inserts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB779544A true GB779544A (en) | 1957-07-24 |
Family
ID=9791420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB519156A Expired GB779544A (en) | 1956-02-20 | 1956-02-20 | Improvements in or relating to valve seat inserts |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB779544A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2429268A1 (en) * | 1978-06-19 | 1980-01-18 | Cabot Corp | NICKEL-BASED ALLOY HAVING GOOD WEAR RESISTANCE |
| EP1630364A1 (en) * | 2004-08-12 | 2006-03-01 | Bayerische Motoren Werke Aktiengesellschaft | Valve seat ring with cylindrical outer surface |
-
1956
- 1956-02-20 GB GB519156A patent/GB779544A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2429268A1 (en) * | 1978-06-19 | 1980-01-18 | Cabot Corp | NICKEL-BASED ALLOY HAVING GOOD WEAR RESISTANCE |
| EP1630364A1 (en) * | 2004-08-12 | 2006-03-01 | Bayerische Motoren Werke Aktiengesellschaft | Valve seat ring with cylindrical outer surface |
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