TW233311B - - Google Patents

Info

Publication number
TW233311B
TW233311B TW082108273A TW82108273A TW233311B TW 233311 B TW233311 B TW 233311B TW 082108273 A TW082108273 A TW 082108273A TW 82108273 A TW82108273 A TW 82108273A TW 233311 B TW233311 B TW 233311B
Authority
TW
Taiwan
Application number
TW082108273A
Other languages
Chinese (zh)
Original Assignee
Kawasaki Seitestu Kk
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
Priority claimed from JP26865392A external-priority patent/JP3269671B2/ja
Priority claimed from JP5140824A external-priority patent/JP2795597B2/ja
Application filed by Kawasaki Seitestu Kk filed Critical Kawasaki Seitestu Kk
Application granted granted Critical
Publication of TW233311B publication Critical patent/TW233311B/zh

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
    • 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
    • C21C5/36—Processes yielding slags of special composition
    • C21C2005/366—Foam slags
    • 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
    • C21C2300/00—Process aspects
    • C21C2300/02—Foam creation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F27D2003/166—Introducing a fluid jet or current into the charge the fluid being a treatment gas

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)
TW082108273A 1992-10-07 1993-10-06 TW233311B (en:Method)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP26865392A JP3269671B2 (ja) 1992-10-07 1992-10-07 ステンレス溶鋼の脱ガス， 脱炭処理法
JP5140824A JP2795597B2 (ja) 1993-06-11 1993-06-11 ステンレス溶鋼の真空脱ガス， 脱炭処理方法

Publications (1)

Publication Number Publication Date
TW233311B true TW233311B (en:Method) 1994-11-01

Family

ID=26473231

Family Applications (1)

Application Number Title Priority Date Filing Date
TW082108273A TW233311B (en:Method) 1992-10-07 1993-10-06

Country Status (6)

Country Link
US (1) US5356456A (en:Method)
EP (1) EP0591971B1 (en:Method)
KR (1) KR960006446B1 (en:Method)
DE (1) DE69324878T2 (en:Method)
FI (1) FI101160B (en:Method)
TW (1) TW233311B (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI400339B (zh) * 2004-11-12 2013-07-01 Sms Siemag Ag 在一ａｏｄ轉爐中製造肥粒鐵式鋼族ａｉｓｉ ４ｘｘ的不銹鋼的方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2807752B2 (ja) 1993-05-17 1998-10-08 ティーディーケイ株式会社 結晶化ガラス材
DE19811722C1 (de) * 1998-03-18 1999-09-09 Sms Vacmetal Ges Fuer Vacuumme Vorrichtung zum Vakuumfrischen von Metall-, insbesondere Stahlschmelzen
KR20040014599A (ko) * 2001-07-02 2004-02-14 신닛뽄세이테쯔 카부시키카이샤 크롬함유 용강의 탈탄 정련 방법
US6854290B2 (en) * 2001-07-18 2005-02-15 Corning Incorporated Method for controlling foam production in reduced pressure fining
KR100782708B1 (ko) * 2001-12-21 2007-12-05 주식회사 포스코 진공 탈탄 설비의 용강비산 방지장치
CN1298867C (zh) * 2004-03-30 2007-02-07 宝山钢铁股份有限公司 低氧钢生产方法
KR101326053B1 (ko) * 2012-05-22 2013-11-07 주식회사 포스코 강의 제조 방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4104057A (en) * 1972-06-10 1978-08-01 Hermann Maas Method for making low carbon high chromium alloyed steels
DE2228462A1 (de) * 1972-06-10 1973-12-20 Rheinstahl Huettenwerke Ag Vorrichtung und verfahren zur herstellung von niedriggekohlten, hochchromlegierten staehlen
JPS5392319A (en) * 1977-01-25 1978-08-14 Nisshin Steel Co Ltd Method of making ultralowwcarbon stainless steel
JPS5763620A (en) * 1980-09-01 1982-04-17 Sumitomo Metal Ind Ltd Denitriding and refining method for high chromium steel
CA1337846C (en) * 1988-06-21 1996-01-02 Hiroshi Nishikawa Process for vacuum degassing and decarbonization with temperature drop compensating feature
JP2780342B2 (ja) * 1989-06-09 1998-07-30 日本鋼管株式会社 溶融金属の真空脱ガス方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI400339B (zh) * 2004-11-12 2013-07-01 Sms Siemag Ag 在一ａｏｄ轉爐中製造肥粒鐵式鋼族ａｉｓｉ ４ｘｘ的不銹鋼的方法

Also Published As

Publication number Publication date
FI934384A0 (fi) 1993-10-06
EP0591971A1 (en) 1994-04-13
US5356456A (en) 1994-10-18
KR940009343A (ko) 1994-05-20
FI101160B (fi) 1998-04-30
EP0591971B1 (en) 1999-05-12
DE69324878D1 (de) 1999-06-17
FI934384L (fi) 1994-04-08
KR960006446B1 (ko) 1996-05-16
DE69324878T2 (de) 1999-09-09

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