GB769871A - Low alloy steel for sub-zero temperature application - Google Patents
Low alloy steel for sub-zero temperature applicationInfo
- Publication number
- GB769871A GB769871A GB17496/55A GB1749655A GB769871A GB 769871 A GB769871 A GB 769871A GB 17496/55 A GB17496/55 A GB 17496/55A GB 1749655 A GB1749655 A GB 1749655A GB 769871 A GB769871 A GB 769871A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- sub
- alloy steel
- low alloy
- zero temperature
- 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
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
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, particularly for use at sub-zero temperatures, has a composition within the following range: C 0.02-1.15 per cent, Mn 0.2-1.2 per cent, Si 0.05-0.6 per cent, Cu 0.2-1.2 per cent, Cr 0.25-1.5 per cent, Ni 1.0-5.0 per cent, Al 0.03-0.3 per cent, N 0.01-0.025 per cent, Ta 0.04-0.25 per cent, Fe and impurities the balance. The Ta content in excess of 0.04 per cent may be replaced by Nb, the Ta and Nb together amounting to 0.05-0.25 per cent. Mo may also be present up to 0.5 per cent.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US769871XA | 1954-07-19 | 1954-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB769871A true GB769871A (en) | 1957-03-13 |
Family
ID=22135439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB17496/55A Expired GB769871A (en) | 1954-07-19 | 1955-06-17 | Low alloy steel for sub-zero temperature application |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB769871A (en) |
-
1955
- 1955-06-17 GB GB17496/55A patent/GB769871A/en not_active Expired
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