JPS6250545B2 - - Google Patents

Info

Publication number
JPS6250545B2
JPS6250545B2 JP594885A JP594885A JPS6250545B2 JP S6250545 B2 JPS6250545 B2 JP S6250545B2 JP 594885 A JP594885 A JP 594885A JP 594885 A JP594885 A JP 594885A JP S6250545 B2 JPS6250545 B2 JP S6250545B2
Authority
JP
Japan
Prior art keywords
chromium
slag
reduction
molten
molten metal
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
JP594885A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61166910A (ja
Inventor
Hiroyuki Katayama
Hideki Ishikawa
Masatoshi Kuwabara
Tsutomu Saito
Yoshio Sato
Hiroyuki Aoki
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
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP594885A priority Critical patent/JPS61166910A/ja
Publication of JPS61166910A publication Critical patent/JPS61166910A/ja
Publication of JPS6250545B2 publication Critical patent/JPS6250545B2/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
    • C21C7/068—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
    • 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
    • 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
    • C21C5/34—Blowing through the bath

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
JP594885A 1985-01-18 1985-01-18 クロム含有合金の製造方法 Granted JPS61166910A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP594885A JPS61166910A (ja) 1985-01-18 1985-01-18 クロム含有合金の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP594885A JPS61166910A (ja) 1985-01-18 1985-01-18 クロム含有合金の製造方法

Publications (2)

Publication Number Publication Date
JPS61166910A JPS61166910A (ja) 1986-07-28
JPS6250545B2 true JPS6250545B2 (en]) 1987-10-26

Family

ID=11625115

Family Applications (1)

Application Number Title Priority Date Filing Date
JP594885A Granted JPS61166910A (ja) 1985-01-18 1985-01-18 クロム含有合金の製造方法

Country Status (1)

Country Link
JP (1) JPS61166910A (en])

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61253311A (ja) * 1985-05-01 1986-11-11 Nisshin Steel Co Ltd クロム鉱石の溶融還元法
JP2683406B2 (ja) * 1989-03-07 1997-11-26 川崎製鉄株式会社 ステンレス鋼の溶製方法
CN1042444C (zh) * 1995-09-28 1999-03-10 川崎制铁株式会社 铬矿的冶炼还原方法
MXPA06012456A (es) * 2004-05-18 2007-03-30 Holcim Ltd Metodo para reducir cr de escorias metalurgicas que contienen cr.
JP6090606B2 (ja) * 2014-03-24 2017-03-08 Ｊｆｅスチール株式会社 含クロム酸化物の溶融還元方法
CN103911479B (zh) * 2014-04-22 2016-01-20 武汉钢铁(集团)公司 90t顶底复吹转炉中铬矿直接还原合金化的方法
CN105483315B (zh) * 2016-01-19 2017-07-04 攀钢集团攀枝花钢铁研究院有限公司 半钢炼钢转炉炉内铬矿直接合金化的方法

Also Published As

Publication number Publication date
JPS61166910A (ja) 1986-07-28

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