JPH0250965B2 - - Google Patents

Info

Publication number
JPH0250965B2
JPH0250965B2 JP58227887A JP22788783A JPH0250965B2 JP H0250965 B2 JPH0250965 B2 JP H0250965B2 JP 58227887 A JP58227887 A JP 58227887A JP 22788783 A JP22788783 A JP 22788783A JP H0250965 B2 JPH0250965 B2 JP H0250965B2
Authority
JP
Japan
Prior art keywords
slag
cao
desulfurization
reduction
steel
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 - Lifetime
Application number
JP58227887A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60121211A (ja
Inventor
Yasumasa Ikehara
Haruki Aryoshi
Ryoichi Hidaka
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=16867886&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPH0250965(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP58227887A priority Critical patent/JPS60121211A/ja
Priority to EP84111365A priority patent/EP0146696B1/en
Priority to CA000463862A priority patent/CA1230974A/en
Priority to ES536190A priority patent/ES8604652A1/es
Priority to US06/653,784 priority patent/US4560406A/en
Publication of JPS60121211A publication Critical patent/JPS60121211A/ja
Publication of JPH0250965B2 publication Critical patent/JPH0250965B2/ja
Granted 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
    • C21C7/064—Dephosphorising; Desulfurising
    • 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
    • C21C5/005—Manufacture 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
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/068—Decarburising
    • C21C7/0685—Decarburising of stainless steel

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)
JP58227887A 1983-12-02 1983-12-02 含クロム溶鋼の還元脱硫法 Granted JPS60121211A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP58227887A JPS60121211A (ja) 1983-12-02 1983-12-02 含クロム溶鋼の還元脱硫法
EP84111365A EP0146696B1 (en) 1983-12-02 1984-09-24 Process for refining of chromium-containing molten steel
CA000463862A CA1230974A (en) 1983-12-02 1984-09-24 Process for refining of chromium-containing molten steel
ES536190A ES8604652A1 (es) 1983-12-02 1984-09-24 Procedimiento de refino de acero fundido conteniendo cromo
US06/653,784 US4560406A (en) 1983-12-02 1984-09-24 Process for refining of chromium-containing molten steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58227887A JPS60121211A (ja) 1983-12-02 1983-12-02 含クロム溶鋼の還元脱硫法

Publications (2)

Publication Number Publication Date
JPS60121211A JPS60121211A (ja) 1985-06-28
JPH0250965B2 true JPH0250965B2 (enExample) 1990-11-06

Family

ID=16867886

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58227887A Granted JPS60121211A (ja) 1983-12-02 1983-12-02 含クロム溶鋼の還元脱硫法

Country Status (5)

Country Link
US (1) US4560406A (enExample)
EP (1) EP0146696B1 (enExample)
JP (1) JPS60121211A (enExample)
CA (1) CA1230974A (enExample)
ES (1) ES8604652A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZW18288A1 (en) * 1988-01-05 1989-04-19 Middelburg Steel & Alloys Pty Sulphur and silicon control in ferrochromium production
US5472479A (en) * 1994-01-26 1995-12-05 Ltv Steel Company, Inc. Method of making ultra-low carbon and sulfur steel
CN1909558B (zh) 2006-08-23 2010-12-01 华为技术有限公司 一种综合接入系统、方法及窄带业务接口模块
CN105385811A (zh) * 2015-11-27 2016-03-09 山东钢铁股份有限公司 一种含铝钢的生产方法
CN113652525B (zh) * 2021-08-19 2022-10-11 广西北港新材料有限公司 一种根据aod化钢样准确控制铬含量的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2980529A (en) * 1956-12-07 1961-04-18 American Metallurg Products Co Method of making aluminum killed steel
US3702243A (en) * 1969-04-15 1972-11-07 Nat Steel Corp Method of preparing deoxidized steel
BE792732A (fr) * 1972-01-13 1973-03-30 Elektrometallurgie Gmbh Procede pour decarburer rapidement des alliages de fer au moyend'oxygene
DE2333937C2 (de) * 1973-07-04 1975-07-17 Fried. Krupp Huettenwerke Ag, 4630 Bochum Verfahren zur Herstellung hochchromhaltiger Stähle mit niedrigstem Kohlenstoffgehalt
GB1508592A (en) * 1975-02-18 1978-04-26 Nixon I Manufacture of steel alloy steels and ferrous alloys
JPS55110711A (en) * 1979-02-16 1980-08-26 Nippon Steel Corp Desulfurization of molten pig iron
JPS5849994A (ja) * 1981-09-10 1983-03-24 トヨタ自動車株式会社 車両用音声入力装置

Also Published As

Publication number Publication date
CA1230974A (en) 1988-01-05
EP0146696B1 (en) 1987-11-25
ES8604652A1 (es) 1986-02-01
US4560406A (en) 1985-12-24
EP0146696A1 (en) 1985-07-03
JPS60121211A (ja) 1985-06-28
ES536190A0 (es) 1986-02-01

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees