GB690374A - Improvements relating to methods of dephosphorizing basic bessemer steel - Google Patents
Improvements relating to methods of dephosphorizing basic bessemer steelInfo
- Publication number
- GB690374A GB690374A GB30327/47A GB3032747A GB690374A GB 690374 A GB690374 A GB 690374A GB 30327/47 A GB30327/47 A GB 30327/47A GB 3032747 A GB3032747 A GB 3032747A GB 690374 A GB690374 A GB 690374A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- dephosphorizing
- methods
- improvements relating
- converter
- 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
Basic Bessemer steel is dephosphorized by the addition of caustic soda to the metal in the converter at the end of the converting operation. The caustic soda, in amount 1.5 to 3.5 kg. per ton of steel, may be added after the converter has been turned down and, preferably, deslagged, the converter being returned to the blowing position and blown for 15-20 seconds or powdered caustic soda may be suspended in the blast. The process is stated to reduce phosphorus from 0.06 per cent to 0.02 per cent and oxygen from 0.095 per cent to 0.058 per cent. Specification 654,672 is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR690374X | 1947-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB690374A true GB690374A (en) | 1953-04-22 |
Family
ID=9029143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB30327/47A Expired GB690374A (en) | 1947-06-24 | 1947-11-14 | Improvements relating to methods of dephosphorizing basic bessemer steel |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB690374A (en) |
-
1947
- 1947-11-14 GB GB30327/47A patent/GB690374A/en not_active Expired
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