GB493311A - Improvements in or relating to alloy steels - Google Patents
Improvements in or relating to alloy steelsInfo
- Publication number
- GB493311A GB493311A GB1118237A GB1118237A GB493311A GB 493311 A GB493311 A GB 493311A GB 1118237 A GB1118237 A GB 1118237A GB 1118237 A GB1118237 A GB 1118237A GB 493311 A GB493311 A GB 493311A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- relating
- alloy steels
- chromium
- nickel
- 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
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
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 austenitic alloy suitable for constructional material for use at high temperatures consists of 20-40 per cent of nickel, 6-20 per cent of chromium, 10-30 per cent of cobalt, 1-5 per cent of titanium, up to 0,6 per cent of carbon, and not less than 20 per cent of iron. Up to 5 per cent of the nickel may be replaced by manganese, and up to 3 per cent of the chromium by silicon. Heat-treatment may comprise air cooling from about 1050 DEG C. and reheating to about 650 DEG C. British Specifications 352,964, 405,650, and Canadian Specification 354,247 are referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1118237A GB493311A (en) | 1937-04-19 | 1937-04-19 | Improvements in or relating to alloy steels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1118237A GB493311A (en) | 1937-04-19 | 1937-04-19 | Improvements in or relating to alloy steels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB493311A true GB493311A (en) | 1938-10-06 |
Family
ID=9981516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1118237A Expired GB493311A (en) | 1937-04-19 | 1937-04-19 | Improvements in or relating to alloy steels |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB493311A (en) |
-
1937
- 1937-04-19 GB GB1118237A patent/GB493311A/en not_active Expired
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