GB649499A - Process for the manufacture of transformer and dynamo steels - Google Patents
Process for the manufacture of transformer and dynamo steelsInfo
- Publication number
- GB649499A GB649499A GB32907/48A GB3290748A GB649499A GB 649499 A GB649499 A GB 649499A GB 32907/48 A GB32907/48 A GB 32907/48A GB 3290748 A GB3290748 A GB 3290748A GB 649499 A GB649499 A GB 649499A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- blowing
- dynamo
- steels
- transformer
- 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)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
Transformer and dynamo steels are produced in the basic converter process by desulphurizing, blowing without lime or cooling agents until decarburization begins, removing the manganese silicate slag formed, adding lime and cooling agents and blowing, comparatively cold, until a low phosphorus content is obtained, transferring to another vessel after deslagging and then alloying and deoxidizing, under a carbide slag, by the addition of ferrosilicon, calcium silicon and aluminium, and finally, after standing, casting. The sulphur may be removed by alkali, preferably soda, before blowing. The dephosphorized steel may be transferred to one ladle and then to another before alloying and deoxidizing in order to ensure complete removal of the limey slag. Steel having analysis, less than 0.1 per cent C, 0.4-4.4 per cent. Si, 0.1-0.35 per cent Mn, 0.04 per cent (max.) P, 0.04 per cent (max.) S, may be produced.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE649499X | 1948-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB649499A true GB649499A (en) | 1951-01-24 |
Family
ID=3876689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32907/48A Expired GB649499A (en) | 1948-11-08 | 1948-12-20 | Process for the manufacture of transformer and dynamo steels |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB649499A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108264048A (en) * | 2018-01-16 | 2018-07-10 | 北京科技大学 | A kind of method of free carbon in removing transition metal carbides |
| CN113122673A (en) * | 2019-12-30 | 2021-07-16 | 王虎 | CaC using calcium carbide2Process for pretreating converter blowing end point steel slag |
-
1948
- 1948-12-20 GB GB32907/48A patent/GB649499A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108264048A (en) * | 2018-01-16 | 2018-07-10 | 北京科技大学 | A kind of method of free carbon in removing transition metal carbides |
| CN108264048B (en) * | 2018-01-16 | 2020-08-28 | 北京科技大学 | Method for removing free carbon in transition metal carbide |
| CN113122673A (en) * | 2019-12-30 | 2021-07-16 | 王虎 | CaC using calcium carbide2Process for pretreating converter blowing end point steel slag |
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