CS216653B2 - Method of decarbonization of the high-alloyed steels in vacuum - Google Patents
Method of decarbonization of the high-alloyed steels in vacuum Download PDFInfo
- Publication number
- CS216653B2 CS216653B2 CS721883A CS188372A CS216653B2 CS 216653 B2 CS216653 B2 CS 216653B2 CS 721883 A CS721883 A CS 721883A CS 188372 A CS188372 A CS 188372A CS 216653 B2 CS216653 B2 CS 216653B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- melt
- temperature
- oxygen
- carbon
- steel
- Prior art date
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
- C21C7/068—Decarburising
- C21C7/0685—Decarburising of stainless steel
-
- 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)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2114600A DE2114600B2 (de) | 1971-03-25 | 1971-03-25 | Verfahren zur gezielten Vakuumentkohlung hochlegierter Stähle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS216653B2 true CS216653B2 (en) | 1982-11-26 |
Family
ID=5802782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS721883A CS216653B2 (en) | 1971-03-25 | 1972-03-21 | Method of decarbonization of the high-alloyed steels in vacuum |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3837841A (https=) |
| JP (1) | JPS5428370B1 (https=) |
| CS (1) | CS216653B2 (https=) |
| DE (1) | DE2114600B2 (https=) |
| FR (1) | FR2130350B1 (https=) |
| GB (1) | GB1329216A (https=) |
| IT (1) | IT952335B (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5394214A (en) * | 1977-01-31 | 1978-08-18 | Kawasaki Steel Co | Denitriding method of high chrome molten steel with small chrome loss |
| HU189326B (en) * | 1983-08-26 | 1986-06-30 | Lenin Kohaszati Muevek,Hu | Process for production of steels with low or super-low carbon content with the regulation the end point of the carbon and blasting temperature |
| US4732607A (en) * | 1985-11-26 | 1988-03-22 | Sumitomo Metal Industries, Ltd. | Method of controlling the stirring strength and flow rate of a jet of gas blown through a lance onto a molten metal surface |
| CA1337846C (en) * | 1988-06-21 | 1996-01-02 | Hiroshi Nishikawa | Process for vacuum degassing and decarbonization with temperature drop compensating feature |
| DE59607427D1 (de) * | 1995-11-17 | 2001-09-06 | Sms Demag Ag | Verfahren zur entkohlung von stahlschmelzen |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3003865A (en) * | 1959-09-10 | 1961-10-10 | Cameron Iron Works Inc | Decarburizing process for alloy steels containing chromium |
| US3420657A (en) * | 1966-02-14 | 1969-01-07 | Union Carbide Corp | Oxygen treatment of chromium alloys |
| US3640119A (en) * | 1966-02-14 | 1972-02-08 | Leeds & Northrup Co | Carbon content measurement in a basic oxygen furnace |
| US3528800A (en) * | 1966-02-14 | 1970-09-15 | Leeds & Northrup Co | Optimized blowing control for basic oxygen furnaces |
| US3450867A (en) * | 1966-03-14 | 1969-06-17 | Leeds & Northrup Co | Estimated tap temperature calculator for basic oxygen furnace |
| AT297071B (de) * | 1966-05-23 | 1972-03-10 | Nippon Steel Corp | Verfahren zur Bestimmung des Kohlenstoffgehaltes eines Stahlbades beim Betrieb eines Sauerstoffaufblaskonverters |
| US3645718A (en) * | 1967-10-09 | 1972-02-29 | Crucible Inc | Method for making steel |
| US3666439A (en) * | 1970-03-02 | 1972-05-30 | Allegheny Ludlum Ind Inc | Method of decarburizing alloy steels |
-
1971
- 1971-03-25 DE DE2114600A patent/DE2114600B2/de not_active Ceased
-
1972
- 1972-03-15 GB GB1212672A patent/GB1329216A/en not_active Expired
- 1972-03-17 US US00235506A patent/US3837841A/en not_active Expired - Lifetime
- 1972-03-17 FR FR7209306A patent/FR2130350B1/fr not_active Expired
- 1972-03-21 CS CS721883A patent/CS216653B2/cs unknown
- 1972-03-21 IT IT49143/72A patent/IT952335B/it active
- 1972-03-24 JP JP2908972A patent/JPS5428370B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IT952335B (it) | 1973-07-20 |
| JPS5428370B1 (https=) | 1979-09-17 |
| GB1329216A (en) | 1973-09-05 |
| FR2130350A1 (https=) | 1972-11-03 |
| US3837841A (en) | 1974-09-24 |
| DE2114600B2 (de) | 1981-05-07 |
| DE2114600A1 (de) | 1972-10-05 |
| FR2130350B1 (https=) | 1976-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3594155A (en) | Method for dynamically controlling decarburization of steel | |
| CS216653B2 (en) | Method of decarbonization of the high-alloyed steels in vacuum | |
| CN109136467B (zh) | 硅脱氧钢造酸性渣精炼过程中硼元素含量的控制方法 | |
| EP3971306A1 (en) | Method for adding ca to molten steel | |
| US4054445A (en) | Deoxidizing and desulphurizing steel | |
| US4214899A (en) | Method for the addition of a reactive metal to a molten metal bath | |
| JP2999671B2 (ja) | Ca添加鋼の溶製方法 | |
| NO146438B (no) | Fremstilling av staal med hoeyt nitrogeninnhold | |
| CN116751931B (zh) | 超低碳钢在rh精炼过程中的测温定氧时机智能确定方法及系统 | |
| US3208844A (en) | Process for producing a low-temperature tough steel | |
| JP3279161B2 (ja) | 極低炭素高マンガン鋼の溶製方法 | |
| JP3870627B2 (ja) | 高燐極低炭素鋼の製造方法 | |
| CA1244245A (en) | Process for refining molten steel | |
| CA1305863C (en) | Method for reducing dissolved oxygen and carbon contents in molten steel | |
| US4436553A (en) | Process to produce low hydrogen steel | |
| CN115491465B (zh) | 一种电炉-vd流程生产低合金系列钢种的方法 | |
| CN117165827B (zh) | 一种400MPa级抗震钢筋及其制备方法 | |
| SU857289A1 (ru) | Сплав дл легировани стали | |
| US3476550A (en) | Method for correcting the temperature of steel at the end of the refining process | |
| CN117230277A (zh) | 一种高合金铸钢件的脱氧控制方法 | |
| CZ291706B6 (cs) | Způsob výroby vysoce legovaných austenitických a austeniticko-feritických ocelí legovaných dusíkem | |
| JPH09296213A (ja) | クロム含有鋼の溶製方法および装置 | |
| KR810001584B1 (ko) | 염기성 산소전로 제강시 탈탄과정에 질소가스를 첨가하는 방법 | |
| SU1440049A1 (ru) | Способ легировани стали азотом | |
| KR101008159B1 (ko) | 저탄소용강의 정련방법 |