GB513915A - Improvements in and relating to the production of carbon-poor chromium iron alloys - Google Patents
Improvements in and relating to the production of carbon-poor chromium iron alloysInfo
- Publication number
- GB513915A GB513915A GB11544/38A GB1154438A GB513915A GB 513915 A GB513915 A GB 513915A GB 11544/38 A GB11544/38 A GB 11544/38A GB 1154438 A GB1154438 A GB 1154438A GB 513915 A GB513915 A GB 513915A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- carbon
- chromium
- sulphur
- alloy
- 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
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
513,915. Alloys. ANGELINI, V. April 14, 1938, No. 11544. Convention date, April 14, 1937. [Class 82 (i)] An alloy, suitable as an intermediate product in the manufacture of low-carbon chromium iron alloys, is produced by treating commercial ferro-chromium with a high or medium carbon content in an electric furnace with iron pyrites and manganese ore, by which means the carbon content is lowered. Lime and fluorite may also be added to the furnace charge. In an example, ferro-chromium containing 65 per cent. of chromium, 1.2 per cent. of silicon, and 30 per cent. of sulphur produced after the treatment an alloy consisting of 63.4 per cent. of chromium, 1.2 per cent. of carbon, 0.09 per cent. of silicon, 0.068 per cent. of sulphur, and 0.9 per cent. of manganese, the remainder being iron. The carbon and sulphur contents of the intermediate product may be further reduced by treatment with an oxidizing slag in an electric or Bessimer furnace, oxygen or air enriched with oxygen being blown into the melt. Treatment of the above alloy for 20 minutes in this manner resulted in an alloy containing 58.0 per cent. of chromium, 0.05 per cent. of silicon, 0.04 per cent. of sulphur, 0.06 per cent. of manganese, and 0.12 per cent. of carbon.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE513915X | 1937-04-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB513915A true GB513915A (en) | 1939-10-25 |
Family
ID=6548540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB11544/38A Expired GB513915A (en) | 1937-04-14 | 1938-04-14 | Improvements in and relating to the production of carbon-poor chromium iron alloys |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB513915A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2117005A (en) * | 1982-03-03 | 1983-10-05 | Sumitomo Metal Ind | Dephosphorization and desulphurization method for molten iron alloy containg chromium |
| WO2006106312A1 (en) | 2005-04-05 | 2006-10-12 | Plastic Logic Limited | Method of producing plurality of organic transistors using laser patterning |
-
1938
- 1938-04-14 GB GB11544/38A patent/GB513915A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2117005A (en) * | 1982-03-03 | 1983-10-05 | Sumitomo Metal Ind | Dephosphorization and desulphurization method for molten iron alloy containg chromium |
| WO2006106312A1 (en) | 2005-04-05 | 2006-10-12 | Plastic Logic Limited | Method of producing plurality of organic transistors using laser patterning |
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