DE2314843C2 - Verfahren zur Herstellung von vakuumbehandeltem Stahl für Schmiedeblocke - Google Patents

Verfahren zur Herstellung von vakuumbehandeltem Stahl für Schmiedeblocke

Info

Publication number
DE2314843C2
DE2314843C2 DE2314843A DE2314843A DE2314843C2 DE 2314843 C2 DE2314843 C2 DE 2314843C2 DE 2314843 A DE2314843 A DE 2314843A DE 2314843 A DE2314843 A DE 2314843A DE 2314843 C2 DE2314843 C2 DE 2314843C2
Authority
DE
Germany
Prior art keywords
oxygen
metal
blowing
inert gas
carbon
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
Application number
DE2314843A
Other languages
German (de)
English (en)
Other versions
DE2314843B1 (de
Inventor
Auf Nichtnennung Antrag
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Krupp Stahl AG
Original Assignee
Fried Krupp Huettenwerke AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fried Krupp Huettenwerke AG filed Critical Fried Krupp Huettenwerke AG
Priority to DE2314843A priority Critical patent/DE2314843C2/de
Priority to IT67879/74A priority patent/IT1011609B/it
Priority to AT237874A priority patent/AT342633B/de
Priority to GB1296574A priority patent/GB1462247A/en
Priority to US454035A priority patent/US3907547A/en
Priority to FR7409952A priority patent/FR2222438B1/fr
Priority to JP49032270A priority patent/JPS5222887B2/ja
Publication of DE2314843B1 publication Critical patent/DE2314843B1/de
Application granted granted Critical
Publication of DE2314843C2 publication Critical patent/DE2314843C2/de
Expired legal-status Critical Current

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)
DE2314843A 1973-03-24 1973-03-24 Verfahren zur Herstellung von vakuumbehandeltem Stahl für Schmiedeblocke Expired DE2314843C2 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE2314843A DE2314843C2 (de) 1973-03-24 1973-03-24 Verfahren zur Herstellung von vakuumbehandeltem Stahl für Schmiedeblocke
IT67879/74A IT1011609B (it) 1973-03-24 1974-03-21 Procedimento per produrre acciai trattati nel vuoto per masselli da fucinare
AT237874A AT342633B (de) 1973-03-24 1974-03-22 Verfahren zur herstellung von vakuumbehandeltem stahl fur schmiedeblocke
GB1296574A GB1462247A (en) 1973-03-24 1974-03-22 Production of steel
US454035A US3907547A (en) 1973-03-24 1974-03-22 Method of preparing vacuum-treated steel for making ingots for forging
FR7409952A FR2222438B1 (https=) 1973-03-24 1974-03-22
JP49032270A JPS5222887B2 (https=) 1973-03-24 1974-03-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2314843A DE2314843C2 (de) 1973-03-24 1973-03-24 Verfahren zur Herstellung von vakuumbehandeltem Stahl für Schmiedeblocke

Publications (2)

Publication Number Publication Date
DE2314843B1 DE2314843B1 (de) 1974-06-06
DE2314843C2 true DE2314843C2 (de) 1975-01-30

Family

ID=5875854

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2314843A Expired DE2314843C2 (de) 1973-03-24 1973-03-24 Verfahren zur Herstellung von vakuumbehandeltem Stahl für Schmiedeblocke

Country Status (7)

Country Link
US (1) US3907547A (https=)
JP (1) JPS5222887B2 (https=)
AT (1) AT342633B (https=)
DE (1) DE2314843C2 (https=)
FR (1) FR2222438B1 (https=)
GB (1) GB1462247A (https=)
IT (1) IT1011609B (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
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 (de) * 1982-12-07 1990-06-21 Klöckner-Werke AG, 4100 Duisburg Zweistufiges Verfahren zum Herstellen von hochwertigen Stählen mit extrem niedrigen P- und S-Gehalten, die im Konverter vorgeschmolzen werden
JPS6393487A (ja) * 1986-10-08 1988-04-23 Yutaka Giken:Kk ブレ−キデイスクの製造方法
CZ297553B6 (cs) * 2005-09-15 2007-02-07 Mittal Steel Ostrava A. S. Zpusob legování nízkouhlíkové oceli dusíkem
CN109234488A (zh) * 2018-09-06 2019-01-18 山西通才工贸有限公司 一种转炉炼钢热补偿方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE610265A (https=) * 1960-11-18
FR1372730A (fr) * 1963-09-04 1964-09-18 Gussstahlwerk Witten Ag Procédé d'élaboration d'aciers alliés
US3336132A (en) * 1964-03-09 1967-08-15 Crucible Steel Co America Stainless steel manufacturing process and equipment
BE722605A (https=) * 1967-10-27 1969-04-18

Also Published As

Publication number Publication date
JPS5222887B2 (https=) 1977-06-21
AT342633B (de) 1978-04-10
JPS49127810A (https=) 1974-12-06
GB1462247A (en) 1977-01-19
DE2314843B1 (de) 1974-06-06
US3907547A (en) 1975-09-23
FR2222438B1 (https=) 1977-09-23
FR2222438A1 (https=) 1974-10-18
ATA237874A (de) 1977-08-15
IT1011609B (it) 1977-02-10

Similar Documents

Publication Publication Date Title
CN113136522B (zh) 用氩氧炉冶炼含钛奥氏体不锈钢工艺
CA1196195A (en) Boron alloying additive for continuously casting boron steel
CN105039648A (zh) 一种用氩氧脱碳炉冶炼低碳高锰含量钢水的方法
US4165234A (en) Process for producing ferrovanadium alloys
DE1583260C2 (https=)
KR930001133B1 (ko) 붕소의 합금방법과 그 방법에 의해 산출된 붕소합금
US2696433A (en) Production of high nitrogen manganese alloy
US4286984A (en) Compositions and methods of production of alloy for treatment of liquid metals
DE2314843C2 (de) Verfahren zur Herstellung von vakuumbehandeltem Stahl für Schmiedeblocke
US4198229A (en) Method of dephosphorization of metal or alloy
CN110819761B (zh) 下注钢锭或电极坯及其制备方法
US5037609A (en) Material for refining steel of multi-purpose application
US5085691A (en) Method of producing general-purpose steel
US4097269A (en) Process of desulfurizing liquid melts
US3421887A (en) Process for producing a magnesium-containing spherical graphite cast iron having little dross present
CN116949345B (zh) 一种低碳含钨钢及其生产方法
RU2058994C1 (ru) Способ получения микролегированной ванадием полуспокойной стали
US3459540A (en) Production of clean fine grain steels
US3360364A (en) Process for producing nodular graphite in a metal
US3899321A (en) Method of producing a vaccum treated effervescing boron steel
KR950012398B1 (ko) 용강제조방법
RU2091494C1 (ru) Способ выплавки легированной хромом и никелем стали
US2096317A (en) Method of utilizing stainless steel scrap
SU1560601A1 (ru) Сплав дл легировани быстрорежущих и конструкционных сталей
SU1092189A1 (ru) Способ получени нержавеющей стали

Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
8327 Change in the person/name/address of the patent owner

Owner name: KRUPP STAHL AG, 4630 BOCHUM, DE

8339 Ceased/non-payment of the annual fee