IT1149679B - Processo per affinazione di acciai ad elevato tenore di cromo - Google Patents

Processo per affinazione di acciai ad elevato tenore di cromo

Info

Publication number
IT1149679B
IT1149679B IT19832/82A IT1983282A IT1149679B IT 1149679 B IT1149679 B IT 1149679B IT 19832/82 A IT19832/82 A IT 19832/82A IT 1983282 A IT1983282 A IT 1983282A IT 1149679 B IT1149679 B IT 1149679B
Authority
IT
Italy
Prior art keywords
refining process
high chromium
chromium steel
steel refining
steel
Prior art date
Application number
IT19832/82A
Other languages
English (en)
Other versions
IT8219832A0 (it
Inventor
Masuda Seiichi
Umeda Yoichi
Matsuo Tohru
Taga Masayuki
Nakajima Hidemasa
Original Assignee
Sumitomo Metal Ind
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 Sumitomo Metal Ind filed Critical Sumitomo Metal Ind
Publication of IT8219832A0 publication Critical patent/IT8219832A0/it
Application granted granted Critical
Publication of IT1149679B publication Critical patent/IT1149679B/it

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
    • 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
    • C21C5/35—Blowing from above and through the bath
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
IT19832/82A 1981-03-03 1982-02-24 Processo per affinazione di acciai ad elevato tenore di cromo IT1149679B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56030775A JPS57145917A (en) 1981-03-03 1981-03-03 Refining method for high chromium steel

Publications (2)

Publication Number Publication Date
IT8219832A0 IT8219832A0 (it) 1982-02-24
IT1149679B true IT1149679B (it) 1986-12-03

Family

ID=12313053

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19832/82A IT1149679B (it) 1981-03-03 1982-02-24 Processo per affinazione di acciai ad elevato tenore di cromo

Country Status (15)

Country Link
US (1) US4474605A (it)
JP (1) JPS57145917A (it)
AT (1) AT383615B (it)
AU (1) AU536668B2 (it)
BE (1) BE892349A (it)
BR (1) BR8201078A (it)
CA (1) CA1177251A (it)
DE (1) DE3204632A1 (it)
ES (1) ES8302787A1 (it)
FR (1) FR2501236B1 (it)
GB (1) GB2093864B (it)
IT (1) IT1149679B (it)
LU (1) LU83981A1 (it)
NL (1) NL8200748A (it)
ZA (1) ZA82634B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4529442A (en) * 1984-04-26 1985-07-16 Allegheny Ludlum Steel Corporation Method for producing steel in a top oxygen blown vessel
DE3850381T2 (de) * 1987-08-13 1994-10-20 Nippon Kokan Kk Ofen und verfahren zur reduktion eines chromvorproduktes durch schmelzen.
CA1333663C (en) * 1987-09-09 1994-12-27 Haruyoshi Tanabe Method of decarburizing high cr molten metal
WO1989002478A1 (en) * 1987-09-10 1989-03-23 Nkk Corporation Process for producing molten stainless steel
JPH01215912A (ja) * 1988-02-24 1989-08-29 Kawasaki Steel Corp 含クロム溶鉄の製造方法
DE3918155A1 (de) * 1989-06-03 1990-12-06 Messer Griesheim Gmbh Verfahren zum entkohlen von chromhaltigen stahlschmelzen mit ueber 10% cr-gehalt
US5190577A (en) * 1990-12-11 1993-03-02 Liquid Air Corporation Replacement of argon with carbon dioxide in a reactor containing molten metal for the purpose of refining molten metal
JP2515059B2 (ja) * 1991-06-27 1996-07-10 新日本製鐵株式会社 含クロム溶鋼の脱炭精錬法
US5328658A (en) * 1993-08-04 1994-07-12 Daido Tokushuko Kabushiki Kaisha Method of refining chromium-containing steel
DE4328045C2 (de) * 1993-08-20 2001-02-08 Ald Vacuum Techn Ag Verfahren zum Entkohlen von kohlenstoffhaltigen Metallschmelzen
CN100439539C (zh) * 2007-02-15 2008-12-03 刘巍 低微碳铬铁合金的生产工艺
CN102808061B (zh) * 2012-08-22 2013-11-27 秦皇岛首秦金属材料有限公司 一种转炉内采用低镍生铁冶炼含镍钢的方法
CN102827989B (zh) * 2012-09-25 2013-09-04 鞍钢股份有限公司 一种低碳高铬钢的生产方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB858404A (en) * 1956-06-27 1961-01-11 Union Carbide Corp A method of lowering the carbon content of chromium-bearing steels
BE610265A (it) * 1960-11-18
US3850617A (en) * 1970-04-14 1974-11-26 J Umowski Refining of stainless steel
US3816720A (en) * 1971-11-01 1974-06-11 Union Carbide Corp Process for the decarburization of molten metal
DE2243839A1 (de) * 1972-09-07 1974-03-28 Kloeckner Werke Ag Verfahren zur herstellung kohlenstoffarmer hochchromhaltiger ferritischer staehle
AT337736B (de) * 1973-02-12 1977-07-11 Voest Ag Verfahren zum frischen von roheisen
US3854932A (en) * 1973-06-18 1974-12-17 Allegheny Ludlum Ind Inc Process for production of stainless steel
JPS518109A (it) * 1974-06-07 1976-01-22 British Steel Corp
DE2737832C3 (de) * 1977-08-22 1980-05-22 Fried. Krupp Huettenwerke Ag, 4630 Bochum Verwendung von im Querschnitt veränderlichen Blasdüsen zur Herstellung von rostfreien Stählen
JPS55115914A (en) * 1979-02-28 1980-09-06 Sumitomo Metal Ind Ltd Refining method of high chromium steel
JPS5613423A (en) * 1979-07-06 1981-02-09 Sumitomo Metal Ind Ltd Refining method for steel

Also Published As

Publication number Publication date
AU536668B2 (en) 1984-05-17
GB2093864A (en) 1982-09-08
NL8200748A (nl) 1982-10-01
ES510070A0 (es) 1983-01-16
DE3204632C2 (it) 1988-04-14
JPS57145917A (en) 1982-09-09
LU83981A1 (fr) 1982-07-08
CA1177251A (en) 1984-11-06
DE3204632A1 (de) 1982-09-16
AT383615B (de) 1987-07-27
BE892349A (fr) 1982-07-01
ZA82634B (en) 1982-12-29
US4474605A (en) 1984-10-02
BR8201078A (pt) 1983-01-11
FR2501236B1 (fr) 1986-04-11
IT8219832A0 (it) 1982-02-24
AU7998382A (en) 1982-09-09
JPS6150122B2 (it) 1986-11-01
ATA81782A (de) 1986-12-15
GB2093864B (en) 1986-01-15
ES8302787A1 (es) 1983-01-16
FR2501236A1 (fr) 1982-09-10

Similar Documents

Publication Publication Date Title
IT8019877A0 (it) Superfici metalliche. processo per il trattamento di
BR8506340A (pt) Processo de purificacao de tantalo
BR8202528A (pt) Processo de separacao por adsorcao
BR8506856A (pt) Processo de forja
IT1149679B (it) Processo per affinazione di acciai ad elevato tenore di cromo
BR8202979A (pt) Processo de producao de dimetileter
IT8420259A0 (it) Processo per la produzione di tubidi acciaio senza saldatura.
BR8201057A (pt) Processo de forjamento de precisao
IT8222443A0 (it) Processo per la produzione di idrocarburi.
BR8200696A (pt) Processo para refinacao de um metal
BR8504128A (pt) Processo de purificacao de metal refratario
FR2524004B1 (fr) Procede de recuit de feuillard d'acier
BR8502841A (pt) Processo de purificacao de mercaptobenzotiazola
BR8403050A (pt) Processo de auto-hidrogenacao
BE864789A (fr) Procede d'affinage de l'acier
IT8020314A0 (it) Processo per la purificazione di glicosaminoglicani.
IT8223435A0 (it) Processo per la produzione di idrocarburi.
IT8122012A0 (it) Processo per la purificazione diprodotti di reazione.
OA08273A (fr) Procédé de traitement de minerai carnallitique.
IT8125425A0 (it) Processo per la produzione di detergenti sovrabasici.
IT8341636A0 (it) Procedimento perfezionato per laproduzione di acciaio.
IT1151414B (it) Processo per la produzione di beta-idrossiaminoacidi
IT8023364A0 (it) Processo per la produzione di alfa-6-desossi-tetracicline.
IT1134136B (it) Processo di ricottura di acciai
IT8322244A0 (it) Processo per la inertizzazione di fanghi industriali inorganici.

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970227