JPS61166910A - クロム含有合金の製造方法 - Google Patents

クロム含有合金の製造方法

Info

Publication number
JPS61166910A
JPS61166910A JP594885A JP594885A JPS61166910A JP S61166910 A JPS61166910 A JP S61166910A JP 594885 A JP594885 A JP 594885A JP 594885 A JP594885 A JP 594885A JP S61166910 A JPS61166910 A JP S61166910A
Authority
JP
Japan
Prior art keywords
chromium
slag
molten
reduction
oxide
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.)
Granted
Application number
JP594885A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6250545B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Hiroyuki Katayama
裕之 片山
Hideki Ishikawa
英毅 石川
Masatoshi Kuwabara
桑原　正年
Tsutomu Saito
力 斎藤
Yoshio Sato
佐藤　宣雄
Hiroyuki Aoki
青木　裕幸
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 true JPS61166910A (ja) 1986-07-28
JPS6250545B2 JPS6250545B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (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
JPH02232312A (ja) * 1989-03-07 1990-09-14 Kawasaki Steel Corp ステンレス鋼の溶製方法
WO1997012066A1 (fr) * 1995-09-28 1997-04-03 Kawasaki Steel Corporation Procede de reduction par fusion de minerai de chrome
JP2007538156A (ja) * 2004-05-18 2007-12-27 ホルシム リミティド 冶金スラグのクロム還元方法
CN103911479A (zh) * 2014-04-22 2014-07-09 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
JP2015193928A (ja) * 2014-03-24 2015-11-05 Ｊｆｅスチール株式会社 含クロム酸化物の溶融還元方法
CN105483315A (zh) * 2016-01-19 2016-04-13 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

Cited By (9)

* 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
JPH02232312A (ja) * 1989-03-07 1990-09-14 Kawasaki Steel Corp ステンレス鋼の溶製方法
WO1997012066A1 (fr) * 1995-09-28 1997-04-03 Kawasaki Steel Corporation Procede de reduction par fusion de minerai de chrome
AU685713B2 (en) * 1995-09-28 1998-01-22 Kawasaki Steel Corporation Chromium ore smelting reduction process
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
JP2007538156A (ja) * 2004-05-18 2007-12-27 ホルシム リミティド 冶金スラグのクロム還元方法
JP2015193928A (ja) * 2014-03-24 2015-11-05 Ｊｆｅスチール株式会社 含クロム酸化物の溶融還元方法
CN103911479A (zh) * 2014-04-22 2014-07-09 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
CN105483315A (zh) * 2016-01-19 2016-04-13 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
JPS6250545B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-10-26

Similar Documents

Publication Publication Date Title
US5702502A (en) Method for direct use of chromite ore in the production of stainless steel
JPS6123245B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS61166910A (ja) クロム含有合金の製造方法
JPH08337810A (ja) ニッケル合金化鉄又はスチールの製造法
US20030150295A1 (en) Ferroalloy production
JP3063537B2 (ja) ステンレス鋼の製造方法
JPS6036613A (ja) 含ニツケルステンレス素溶鋼の製造方法
JPH0471965B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH07316618A (ja) 溶融還元溶銑の予備精錬方法
JPS61279608A (ja) 溶融還元による高クロム合金の製造方法
KR100887859B1 (ko) 크롬 광석의 직접환원을 통한 스테인레스강 제조방법
JPH0967608A (ja) ステンレス鋼の製造方法
JPH01252715A (ja) 鉄浴式溶融還元炉の操業方法
JPS60106943A (ja) ステンレス鋼の製造方法
JPH02221310A (ja) 含Ｎｉ，Ｃｒ溶湯の製造方法
JPH06104843B2 (ja) 高合金鋼の溶製方法
JPS6123244B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0214404B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0762413A (ja) ステンレス鋼の製造方法
JPS58100656A (ja) フエロアロイの溶融還元方法
JPS61139614A (ja) 製鋼法
JPS602613A (ja) 鉄系合金の溶融還元製錬法
JPH0437134B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS61207547A (ja) クロム鉱石の溶融還元製鋼法
JPS602619A (ja) Ｓｉ含有量が低い高クロム合金