JPS5222887B2 - - Google Patents
Info
- Publication number
- JPS5222887B2 JPS5222887B2 JP49032270A JP3227074A JPS5222887B2 JP S5222887 B2 JPS5222887 B2 JP S5222887B2 JP 49032270 A JP49032270 A JP 49032270A JP 3227074 A JP3227074 A JP 3227074A JP S5222887 B2 JPS5222887 B2 JP S5222887B2
- Authority
- JP
- Japan
- 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
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/06—Deoxidising, e.g. killing
-
- 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
- C21C5/30—Regulating or controlling the blowing
- C21C5/32—Blowing from above
-
- 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
- C21C7/10—Handling in a vacuum
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2314843A DE2314843C2 (en) | 1973-03-24 | 1973-03-24 | Process for the production of vacuum treated steel for forging billets |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS49127810A JPS49127810A (en) | 1974-12-06 |
| JPS5222887B2 true JPS5222887B2 (en) | 1977-06-21 |
Family
ID=5875854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49032270A Expired JPS5222887B2 (en) | 1973-03-24 | 1974-03-23 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3907547A (en) |
| JP (1) | JPS5222887B2 (en) |
| AT (1) | AT342633B (en) |
| DE (1) | DE2314843C2 (en) |
| FR (1) | FR2222438B1 (en) |
| GB (1) | GB1462247A (en) |
| IT (1) | IT1011609B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6393487A (en) * | 1986-10-08 | 1988-04-23 | Yutaka Giken:Kk | Manufacture of brake disk |
| JPH0255649B2 (en) * | 1986-10-08 | 1990-11-28 | Yutaka Giken Co Ltd |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4187102A (en) * | 1978-08-24 | 1980-02-05 | Union Carbide Corporation | Method for controlling the temperature of the melt during pneumatic refining of steel |
| US4436553A (en) * | 1982-01-22 | 1984-03-13 | Union Carbide Corporation | Process to produce low hydrogen steel |
| DE3245098C2 (en) * | 1982-12-07 | 1990-06-21 | Klöckner-Werke AG, 4100 Duisburg | Two-stage process for the production of high-quality steels with extremely low P and S contents, which are pre-melted in the converter |
| CZ297553B6 (en) * | 2005-09-15 | 2007-02-07 | Mittal Steel Ostrava A. S. | Alloying method of low-carbon steel with nitrogen |
| CN109234488A (en) * | 2018-09-06 | 2019-01-18 | 山西通才工贸有限公司 | A kind of pneumatic steelmaking compensation method for thermal |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE610265A (en) * | 1960-11-18 | |||
| FR1372730A (en) * | 1963-09-04 | 1964-09-18 | Gussstahlwerk Witten Ag | Production process for alloy steels |
| US3336132A (en) * | 1964-03-09 | 1967-08-15 | Crucible Steel Co America | Stainless steel manufacturing process and equipment |
| BE722605A (en) * | 1967-10-27 | 1969-04-18 |
-
1973
- 1973-03-24 DE DE2314843A patent/DE2314843C2/en not_active Expired
-
1974
- 1974-03-21 IT IT67879/74A patent/IT1011609B/en active
- 1974-03-22 AT AT237874A patent/AT342633B/en not_active IP Right Cessation
- 1974-03-22 US US454035A patent/US3907547A/en not_active Expired - Lifetime
- 1974-03-22 FR FR7409952A patent/FR2222438B1/fr not_active Expired
- 1974-03-22 GB GB1296574A patent/GB1462247A/en not_active Expired
- 1974-03-23 JP JP49032270A patent/JPS5222887B2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6393487A (en) * | 1986-10-08 | 1988-04-23 | Yutaka Giken:Kk | Manufacture of brake disk |
| JPH0255649B2 (en) * | 1986-10-08 | 1990-11-28 | Yutaka Giken Co Ltd |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2314843C2 (en) | 1975-01-30 |
| ATA237874A (en) | 1977-08-15 |
| FR2222438A1 (en) | 1974-10-18 |
| GB1462247A (en) | 1977-01-19 |
| JPS49127810A (en) | 1974-12-06 |
| DE2314843B1 (en) | 1974-06-06 |
| AT342633B (en) | 1978-04-10 |
| US3907547A (en) | 1975-09-23 |
| FR2222438B1 (en) | 1977-09-23 |
| IT1011609B (en) | 1977-02-10 |