GB961430A - Nickel-chromium- molybdenum steel - Google Patents
Nickel-chromium- molybdenum steelInfo
- Publication number
- GB961430A GB961430A GB15117/63A GB1511763A GB961430A GB 961430 A GB961430 A GB 961430A GB 15117/63 A GB15117/63 A GB 15117/63A GB 1511763 A GB1511763 A GB 1511763A GB 961430 A GB961430 A GB 961430A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chromium
- nickel
- molybdenum steel
- point
- steel
- 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
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
Abstract
A steel for use in bearings comprises:- .C.0.6-0.8%.preferably 0.67-0.8% .Mu.0.3-0.8%.preferably 0.3-0.75% .Si.up to 0.5%.preferably up to 0.4% .Ni.0.5-1.5%.preferably 0.75-1.0% .Cr.0.1-0.45%.preferably 0.12-0.4% .Mo.0.05-0.35%.preferably 0.1-0.3% .Al.up to 0.5%. the balance, apart from incidental impurities, being iron. The steels of the invention may be heat treated as follows:- 1. Heat to a temperature above the Ae1 point but below the Acm point for long enough to form a fine uniform carbide dispersion in an austenite matrix e.g. at 1365-1390 DEG F. for 1 hour per inch of section. 2. Cool to 1200-1250 DEG F. at a rate of 10-25 DEG F. per hour. 3. Austenize at 1475-1600 DEG F. and 4. Quench.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US189133A US3131056A (en) | 1962-04-20 | 1962-04-20 | Rolling contact bearing steels and process for heat treating the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB961430A true GB961430A (en) | 1964-06-24 |
Family
ID=22696075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB15117/63A Expired GB961430A (en) | 1962-04-20 | 1963-04-17 | Nickel-chromium- molybdenum steel |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3131056A (en) |
| GB (1) | GB961430A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2170223A (en) * | 1985-01-28 | 1986-07-30 | Nippon Steel Corp | Method for softening rolled medium carbon machine structural steels |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3396111A (en) * | 1965-05-06 | 1968-08-06 | Houghton & Co E F | Lubricants comprising certain diesters of maleic, fumaric or itaconic acids and method of lubricating |
| AT309495B (en) * | 1970-01-09 | 1973-08-27 | Boehler & Co Ag Geb | Chainsaw steel |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1660790A (en) * | 1926-05-27 | 1928-02-28 | Alloy Steel Corp | Process of preparing alloy steel for die blocks and other purposes |
| US2938820A (en) * | 1958-04-24 | 1960-05-31 | Selas Corp Of America | Method of spheroidizing steel by rapid heating |
-
1962
- 1962-04-20 US US189133A patent/US3131056A/en not_active Expired - Lifetime
-
1963
- 1963-04-17 GB GB15117/63A patent/GB961430A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2170223A (en) * | 1985-01-28 | 1986-07-30 | Nippon Steel Corp | Method for softening rolled medium carbon machine structural steels |
| US4702778A (en) * | 1985-01-28 | 1987-10-27 | Nippon Steel Corporation | Method for softening rolled medium carbon machine structural steels |
| GB2170223B (en) * | 1985-01-28 | 1989-07-12 | Nippon Steel Corp | Method for softening rolled medium carbon machine structural steels |
Also Published As
| Publication number | Publication date |
|---|---|
| US3131056A (en) | 1964-04-28 |
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