US2090105A - Corrosion resistant alloy - Google Patents
Corrosion resistant alloy Download PDFInfo
- Publication number
- US2090105A US2090105A US100115A US10011536A US2090105A US 2090105 A US2090105 A US 2090105A US 100115 A US100115 A US 100115A US 10011536 A US10011536 A US 10011536A US 2090105 A US2090105 A US 2090105A
- Authority
- US
- United States
- Prior art keywords
- corrosion resistant
- resistant alloy
- alloys
- molybdenum
- corrosion
- 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 - Lifetime
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
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
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- 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)
- Powder Metallurgy (AREA)
- Secondary Cells (AREA)
Description
UNITED STATES PATENT OFFICE CORROSION RESISTANT ALLOY Carl Carius, Essen-Rellinghausen, Germany,
Krupp Aktiengeselischaft,
signor to Fried.
Essen-on-th'e-Ruhr, Germany No Drawing. Application September 10, 1936, Serial No. 100,115. In Germany December 19,
2 Claims. (Cl. 75-125) My invention relates to corrosion-resistant chromium-nickel-molybdenum-iron alloys having an addition of antimony. These alloys are remarkable for very high resistance to corrosion.
6 For example, their resistance to caustic soda solution or caustic potash solution and especially to hydrochloric acid is far superior to that of the usual chromium-nickel-molybdenum-iron alloys, for example of the known austenitic chromiumnickel-molybdenum steels. The new alloys may be further improved by an addition of copper.
In my co-pending application for Letters Patent, Serial Number 28,943, filed June 28, 1935,
15 which matured into Patent No. 2,054,927 on Sept. 22, 1936, I have already suggested alloys of the following composition:
I have now found that the above-mentioned high resistance to corrosion of these alloys is also obtained already with antimony contents of 30 0.5 to 2.%. So, for example, an alloy containing Percent Carbon 0.04 Chrom 13. Nickel 30.
Percent Molybdenum 5. Copper 5. Antimony 1.5
Balance iron with the usual impurities has been tested in 25.% hydrochloric acid solution at a temperature of 80 centigrade. The loss in weight occurring by this treatment amounted only to from 1 to 2 grammes per sq. meter per hour.
Preferably I use alloys of the following composition:
Percent Carbon 0.02- 0.2. Chromium 10. 20. Nickel 2'7. -33. Molybdenum 2. 5. Copper- 2. 6. Antimony l0.5 2.
Balance iron with or without the normal impurities.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2090105X | 1935-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US2090105A true US2090105A (en) | 1937-08-17 |
Family
ID=7984434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US100115A Expired - Lifetime US2090105A (en) | 1935-12-19 | 1936-09-10 | Corrosion resistant alloy |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2090105A (en) |
| CH (1) | CH191889A (en) |
| GB (1) | GB461552A (en) |
-
1936
- 1936-09-10 US US100115A patent/US2090105A/en not_active Expired - Lifetime
- 1936-09-28 CH CH191889D patent/CH191889A/en unknown
- 1936-10-24 GB GB28978/36A patent/GB461552A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH191889A (en) | 1937-07-15 |
| GB461552A (en) | 1937-02-18 |
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