GB948355A - Improvements relating to nickel steels - Google Patents
Improvements relating to nickel steelsInfo
- Publication number
- GB948355A GB948355A GB21719/63A GB2171963A GB948355A GB 948355 A GB948355 A GB 948355A GB 21719/63 A GB21719/63 A GB 21719/63A GB 2171963 A GB2171963 A GB 2171963A GB 948355 A GB948355 A GB 948355A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ageing
- improvements relating
- hours
- titanium
- content
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
An alloy steel comprising:-<TABS:0948355/C3/1> impurities such as S, P, and N up to 0.05% and Cr and Mo up to 2%, is hardened by solution heat treating at 760-1175 DEG C. for at least 1/4 hour, ageing for 1-24 hours above the martensitic transformation range and within the range 590-760 DEG C., cooling to below 32 DEG C. to produce a martensitic structure, and then ageing for from 1/4 to 24 hours at 260-650 DEG C. preferably not above 540 DEG C. For highest hardness the titanium plus aluminium content should be from 5-9% while for high ductility and strength it should be less than 3% with from 1-3% titanium. In the latter case the nickel content should preferably not exceed 28%. Niobium is preferably present in amounts at least ten times the carbon content.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US839296A US3093518A (en) | 1959-09-11 | 1959-09-11 | Nickel alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB948355A true GB948355A (en) | 1964-01-29 |
Family
ID=25279349
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB21719/63A Expired GB948355A (en) | 1959-09-11 | 1960-09-02 | Improvements relating to nickel steels |
| GB30385/60A Expired GB948354A (en) | 1959-09-11 | 1960-09-02 | Improvements relating to nickel steels |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB30385/60A Expired GB948354A (en) | 1959-09-11 | 1960-09-02 | Improvements relating to nickel steels |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3093518A (en) |
| BE (1) | BE594885A (en) |
| CH (2) | CH431104A (en) |
| GB (2) | GB948355A (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1074576A (en) * | 1963-09-24 | 1967-07-05 | Int Nickel Ltd | Heat treatment of steels |
| GB1094801A (en) * | 1963-09-24 | 1967-12-13 | Int Nickel Ltd | Hard-facing metals and alloys |
| US3369891A (en) * | 1965-08-20 | 1968-02-20 | Chromalloy American Corp | Heat-treatable nickel-containing refractory carbide tool steel |
| US3453153A (en) * | 1966-07-25 | 1969-07-01 | Int Nickel Co | Process for improving fatigue life of metal |
| GB1142555A (en) * | 1966-08-25 | 1969-02-12 | Int Nickel Ltd | Nickel-cobalt steels |
| US3488186A (en) * | 1966-08-25 | 1970-01-06 | Int Nickel Co | Strong fracture-tough steel |
| US3541831A (en) * | 1967-04-07 | 1970-11-24 | Int Nickel Co | Extrusion mandrel |
| US4108692A (en) * | 1975-01-13 | 1978-08-22 | Smith International, Inc. | Rock bit roller cutter and method therefor |
| US4358315A (en) * | 1979-07-10 | 1982-11-09 | University College Cardiff | Manganese steels |
| US4832909A (en) * | 1986-12-22 | 1989-05-23 | Carpenter Technology Corporation | Low cobalt-containing maraging steel with improved toughness |
| US4871511A (en) * | 1988-02-01 | 1989-10-03 | Inco Alloys International, Inc. | Maraging steel |
| US5688471A (en) * | 1995-08-25 | 1997-11-18 | Inco Alloys International, Inc. | High strength low thermal expansion alloy |
| EP0765950B2 (en) * | 1995-08-25 | 2010-01-20 | Inco Alloys International, Inc. | High strength low thermal expansion alloy |
| CN106460080B (en) * | 2014-06-20 | 2019-10-08 | 阿文美驰技术有限责任公司 | Ferrous alloy |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2048163A (en) * | 1929-04-15 | 1936-07-21 | Int Nickel Co | Iron-nickel-titanium alloy |
| US2048164A (en) * | 1931-08-31 | 1936-07-21 | Int Nickel Co | Method of treating alloys |
| US1947274A (en) * | 1933-02-01 | 1934-02-13 | Gen Electric | Permanent magnet and method of making it |
| US1968569A (en) * | 1933-06-03 | 1934-07-31 | Gen Electric | Permanent magnet and method of making it |
| US2285406A (en) * | 1940-04-18 | 1942-06-09 | Int Nickel Co | Permanent magnet |
| US2708159A (en) * | 1954-02-26 | 1955-05-10 | Int Nickel Co | Heat treated, hardened alloy steel elements |
| US2715576A (en) * | 1954-04-21 | 1955-08-16 | Crucible Steel Co America | Age hardening alloy steel of high hardenability and toughness |
-
1959
- 1959-09-11 US US839296A patent/US3093518A/en not_active Expired - Lifetime
-
1960
- 1960-09-02 GB GB21719/63A patent/GB948355A/en not_active Expired
- 1960-09-02 GB GB30385/60A patent/GB948354A/en not_active Expired
- 1960-09-09 CH CH701665A patent/CH431104A/en unknown
- 1960-09-09 CH CH1022660A patent/CH404965A/en unknown
- 1960-09-09 BE BE594885A patent/BE594885A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3093518A (en) | 1963-06-11 |
| CH431104A (en) | 1967-02-28 |
| BE594885A (en) | 1961-03-09 |
| GB948354A (en) | 1964-01-29 |
| CH404965A (en) | 1965-12-31 |
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