GB497012A - Improvement in corrosion resistant steels - Google Patents
Improvement in corrosion resistant steelsInfo
- Publication number
- GB497012A GB497012A GB15936/37A GB1593637A GB497012A GB 497012 A GB497012 A GB 497012A GB 15936/37 A GB15936/37 A GB 15936/37A GB 1593637 A GB1593637 A GB 1593637A GB 497012 A GB497012 A GB 497012A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- niobium
- molybdenum
- alloys
- chromium
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
Chromium-nickel steel alloys which are resistant to localized corrosive attack by the action of stagnant sea water or other chloride-containing water having a pH value less than 7 consist of 16-30 per cent of chromium, 7-20 per cent of nickel, not more than 0,2 per cent of carbon, 0,5-4,0 per cent of manganese, 1-5 per cent of molybdenum, and niobium in an amount at least four times the carbon content but not over 1,5 per cent plus ten times the carbon content, with or without up to 1 per cent of silicon, the balance being wholly iron. Specific examples are also given of similar alloys without niobium, without molybdenum, and without either niobium or molybdenum. The Specification as open to inspection under Sect. 91 comprises also alloys of similar composition but not containing niobium, the manganese content then being 1,5-5 per cent. This subject-matter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US497012XA | 1936-06-11 | 1936-06-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB497012A true GB497012A (en) | 1938-12-09 |
Family
ID=21961218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB15936/37A Expired GB497012A (en) | 1936-06-11 | 1937-06-09 | Improvement in corrosion resistant steels |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB497012A (en) |
-
1937
- 1937-06-09 GB GB15936/37A patent/GB497012A/en not_active Expired
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