BR7404909D0 - Processo para produzir aco inoxidavel - Google Patents

Processo para produzir aco inoxidavel

Info

Publication number
BR7404909D0
BR7404909D0 BR4909/74A BR490974A BR7404909D0 BR 7404909 D0 BR7404909 D0 BR 7404909D0 BR 4909/74 A BR4909/74 A BR 4909/74A BR 490974 A BR490974 A BR 490974A BR 7404909 D0 BR7404909 D0 BR 7404909D0
Authority
BR
Brazil
Prior art keywords
stainless steel
produce stainless
produce
steel
stainless
Prior art date
Application number
BR4909/74A
Other languages
English (en)
Inventor
H Bishop
Original Assignee
Allegheny Ludlum Ind Inc
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 Allegheny Ludlum Ind Inc filed Critical Allegheny Ludlum Ind Inc
Publication of BR7404909D0 publication Critical patent/BR7404909D0/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0081Treating and handling under pressure
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/005Manufacture of stainless steel
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/30Regulating or controlling the blowing
    • C21C5/35Blowing from above and through the bath
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/10Reduction of greenhouse gas [GHG] emissions
    • Y02P10/143Reduction of greenhouse gas [GHG] emissions of methane [CH4]
BR4909/74A 1973-06-18 1974-06-17 Processo para produzir aco inoxidavel BR7404909D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00370904A US3854932A (en) 1973-06-18 1973-06-18 Process for production of stainless steel

Publications (1)

Publication Number Publication Date
BR7404909D0 true BR7404909D0 (pt) 1975-01-07

Family

ID=23461664

Family Applications (1)

Application Number Title Priority Date Filing Date
BR4909/74A BR7404909D0 (pt) 1973-06-18 1974-06-17 Processo para produzir aco inoxidavel

Country Status (12)

Country Link
US (1) US3854932A (pt)
JP (1) JPS5839885B2 (pt)
AU (1) AU6870974A (pt)
BE (1) BE815451A (pt)
BR (1) BR7404909D0 (pt)
CA (1) CA1017951A (pt)
DE (1) DE2428465C2 (pt)
ES (1) ES426785A1 (pt)
FR (1) FR2233401B1 (pt)
GB (1) GB1451013A (pt)
IT (1) IT1013389B (pt)
SE (1) SE424448B (pt)

Families Citing this family (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT337736B (de) * 1973-02-12 1977-07-11 Voest Ag Verfahren zum frischen von roheisen
DE2404288A1 (de) * 1974-01-30 1975-07-31 Baum Verfahrenstechnik Verfahren zur wiedergewinnung von reaktionsgassen aus mittels reinem sauerstoff bodengeblasenen und mit kohlenwasserstoffen gekuehlten stahlkonvertern sowie vorrichtung
US3960546A (en) * 1974-05-22 1976-06-01 United States Steel Corporation Method for eliminating nose-skulls from steelmaking vessels
US4004920A (en) * 1975-05-05 1977-01-25 United States Steel Corporation Method of producing low nitrogen steel
US4057421A (en) * 1974-10-22 1977-11-08 Sumitomo Metal Industries Limited Process for vacuum decarburization of steel
GB1586762A (en) * 1976-05-28 1981-03-25 British Steel Corp Metal refining method and apparatus
FR2364975A1 (fr) * 1976-09-20 1978-04-14 Siderurgie Fse Inst Rech Procede d'elaboration, au convertisseur, d'acier inoxydable
US4071356A (en) * 1976-11-24 1978-01-31 Nippon Steel Corporation Method for refining a molten steel in vacuum
JPS5392319A (en) * 1977-01-25 1978-08-14 Nisshin Steel Co Ltd Method of making ultralowwcarbon stainless steel
JPS5394212A (en) * 1977-01-31 1978-08-18 Kawasaki Steel Co Method of making ultralowwcarbon*highh nitrogen chrome steel
JPS5394214A (en) * 1977-01-31 1978-08-18 Kawasaki Steel Co Denitriding method of high chrome molten steel with small chrome loss
US4081270A (en) * 1977-04-11 1978-03-28 Union Carbide Corporation Renitrogenation of basic-oxygen steels during decarburization
DE2734961B2 (de) * 1977-08-03 1980-02-28 Gottfried Bischoff Bau Kompl. Gasreinigungs- Und Wasserrueckkuehlanlagen Gmbh & Co Kg, 4300 Essen Konverteranlage für das Frischen von Stahl aus Roheisen
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
US4168158A (en) * 1977-12-08 1979-09-18 Kawasaki Steel Corporation Method for producing alloy steels having a high chromium content and an extremely low carbon content
US4174212A (en) * 1978-03-10 1979-11-13 A. Finkl & Sons Co. Method for the refining of steel
BE873920A (fr) * 1979-02-02 1979-05-29 Centre Rech Metallurgique Perfectionnements aux procede d'affinage de fonte au convertisseur
DE2821379A1 (de) * 1978-05-16 1979-11-22 Baum Verfahrenstechnik Vorrichtung zum auffangen von konverterabgasen
JPS5565313A (en) * 1978-11-13 1980-05-16 Nippon Steel Corp Steel manufacture with top blown oxygen
US4334921A (en) * 1979-04-16 1982-06-15 Nippon Steel Corporation Converter steelmaking process
LU81207A1 (fr) * 1979-04-30 1980-12-16 Arbed Procede d'affinage d'un bain de metal contenant des matieres refroidissantes solides
JPS6040486B2 (ja) * 1979-07-03 1985-09-11 住友金属工業株式会社 鋼の精錬法
JPS6023163B2 (ja) * 1979-07-03 1985-06-06 住友金属工業株式会社 鋼の製錬法
JPS6013402B2 (ja) * 1979-05-24 1985-04-06 住友金属工業株式会社 ガス循環システムを有する鋼の精錬装置
US4280838A (en) * 1979-05-24 1981-07-28 Sumitomo Metal Industries, Ltd. Production of carbon steel and low-alloy steel with bottom blowing basic oxygen furnace
JPS5921367B2 (ja) * 1979-05-29 1984-05-19 大同特殊鋼株式会社 含クロム鋼の精錬方法
JPS5623215A (en) * 1979-08-02 1981-03-05 Nippon Kokan Kk <Nkk> Converter steel making method
DE2931957A1 (de) * 1979-08-07 1981-02-12 Maximilianshuette Eisenwerk Verfahren zur herstellung von stahl mit niedrigem wasserstoffgehalt in einem sauerstoffdurchblaskonverter
LU81859A1 (fr) * 1979-11-07 1981-06-04 Arbed Procede de conditionnement de la scorie au cours de l'affinage d'un bain de metal
EP0030360B2 (de) * 1979-12-11 1988-09-28 Eisenwerk-Gesellschaft Maximilianshütte mbH Stahlerzeugungsverfahren
DD154026A5 (de) * 1979-12-28 1982-02-17 Creusot Loire Mischblasverfahren zur raffination der metalle im konverter
FR2473064A1 (fr) * 1980-01-02 1981-07-10 Siderurgie Fse Inst Rech Procede de brassage pneumatique d'un bain de metal en fusion
LU82069A1 (fr) * 1980-01-09 1981-09-10 Arbed Procede d'affinage d'un bain de metal
JPS56123853U (pt) * 1980-02-18 1981-09-21
US4279642A (en) * 1980-04-01 1981-07-21 Medovar Boris I Method for electroslag remelting of metals
US4302244A (en) * 1980-07-18 1981-11-24 Pennsylvania Engineering Corporation Steel conversion method
US4358314A (en) * 1980-09-03 1982-11-09 British Steel Corporation Metal refining process
JPS5757817A (en) * 1980-09-19 1982-04-07 Kawasaki Steel Corp Method for controlling bottom blowing gas in steel making by composite top and bottom blown converter
JPS5757816A (en) * 1980-09-19 1982-04-07 Kawasaki Steel Corp Steel making method by composite top and bottom blown converter
JPS57104615A (en) * 1980-12-18 1982-06-29 Kobe Steel Ltd Stably refining method for high carbon steel
JPS57145917A (en) * 1981-03-03 1982-09-09 Sumitomo Metal Ind Ltd Refining method for high chromium steel
FR2501722B1 (fr) * 1981-03-11 1986-08-14 Siderurgie Fse Inst Rech Procede de brassage pneumatique d'un bain metallique
JPS57161018A (en) * 1981-03-30 1982-10-04 Nippon Steel Corp Refining method for molten iron
AU8474782A (en) * 1981-06-19 1982-12-23 British Steel Corp. Refining of steel from pig iron
JPS5893809A (ja) * 1981-11-30 1983-06-03 Daido Steel Co Ltd 溶鋼の精錬方法
US4436553A (en) 1982-01-22 1984-03-13 Union Carbide Corporation Process to produce low hydrogen steel
LU83954A1 (de) * 1982-02-17 1983-09-02 Arbed Verfahren zum erhoehen der kuehlstoffsaetze beim herstellen von stahl durch sauerstoffaufblasen
NL8201269A (nl) * 1982-03-26 1983-10-17 Hoogovens Groep Bv Werkwijze voor het vervaardigen van staal in een converter uitgaande van ruwijzer en schrot.
US4397685A (en) * 1982-03-26 1983-08-09 Union Carbide Corporation Production of ultra low carbon steel by the basic oxygen process
US4417719A (en) * 1982-08-10 1983-11-29 Kawasaki Steel Corporation Top-and-bottom blown converter
US4410359A (en) * 1982-09-03 1983-10-18 Allegheny Ludlum Steel Corporation Process for production of stainless steel
US4431443A (en) * 1982-12-17 1984-02-14 Wentzell Joseph M Methods of vacuum arc melting
JPS59150009A (ja) * 1983-02-12 1984-08-28 Daido Steel Co Ltd 鋼の精錬方法
HU189326B (en) * 1983-08-26 1986-06-30 Lenin Kohaszati Muevek,Hu Process for production of steels with low or super-low carbon content with the regulation the end point of the carbon and blasting temperature
JPS6063307A (ja) * 1983-09-14 1985-04-11 Kawasaki Steel Corp 極低炭素鋼の転炉製鋼法
JPS60184616A (ja) * 1984-03-02 1985-09-20 Kawasaki Steel Corp 撹拌用ガスとして一酸化炭素ガスを用いる転炉製鋼法
US4488903A (en) * 1984-03-14 1984-12-18 Union Carbide Corporation Rapid decarburization steelmaking process
US4529442A (en) * 1984-04-26 1985-07-16 Allegheny Ludlum Steel Corporation Method for producing steel in a top oxygen blown vessel
US4514220A (en) * 1984-04-26 1985-04-30 Allegheny Ludlum Steel Corporation Method for producing steel in a top-blown vessel
DE3426736A1 (de) * 1984-07-20 1986-01-30 Klöckner CRA Technologie GmbH, 4100 Duisburg Verfahren zur spuelgasbehandlung von metallschmelzen
US4565574A (en) * 1984-11-19 1986-01-21 Nippon Steel Corporation Process for production of high-chromium alloy by smelting reduction
US4599107A (en) * 1985-05-20 1986-07-08 Union Carbide Corporation Method for controlling secondary top-blown oxygen in subsurface pneumatic steel refining
KR900004159B1 (ko) * 1985-05-29 1990-06-18 니홍 고강 가부시기 가이샤 아크 프로세스에 의한 용강의 가열방법
US4783219A (en) * 1985-11-13 1988-11-08 Nippon Kokan Kabushiki Kaisha Method for melting and reducing chrome ore
DE3601337A1 (de) * 1986-01-16 1987-07-23 Mannesmann Ag Verfahren zur herstellung hochlegierter staehle im sauerstoffblaskonverter
JPS62167811A (ja) * 1986-01-20 1987-07-24 Nippon Kokan Kk <Nkk> 溶融還元製鋼法
US4927457A (en) * 1987-02-02 1990-05-22 Nippon Kokan Kabushiki Kaisha Method of manufacturing low carbon ferro-chromium
DE3707696A1 (de) * 1987-03-11 1988-09-22 Thyssen Stahl Ag Verfahren zur herstellung von ferromangan affine
US4961784A (en) * 1987-08-13 1990-10-09 Nkk Corporation Method of smelting reduction of chromium raw materials and a smelting reduction furnace thereof
CA1333663C (en) * 1987-09-09 1994-12-27 Haruyoshi Tanabe Method of decarburizing high cr molten metal
DE3850394T2 (de) * 1987-09-10 1994-11-24 Nippon Kokan Kk Verfahren zur herstellung von geschmolzenem rostfreiem stahl.
JPH01215912A (ja) * 1988-02-24 1989-08-29 Kawasaki Steel Corp 含クロム溶鉄の製造方法
JP2850407B2 (ja) * 1989-04-18 1999-01-27 大同特殊鋼株式会社 含クロム溶鋼の精錬法
SE467828B (sv) * 1991-01-31 1992-09-21 Aga Ab Saett att tillverka rostfritt staal
US5112387A (en) * 1991-08-21 1992-05-12 Instituto Mexicano De Investigaciones Siderurgicas Producing stainless steels in electric arc furnaces without secondary processing
US5609669A (en) * 1993-11-22 1997-03-11 Brunner; Mikael Method of manufacturing stainless steel
JP3410553B2 (ja) * 1994-07-27 2003-05-26 新日本製鐵株式会社 含クロム溶鋼の脱炭精錬法
JPH10237535A (ja) * 1997-02-28 1998-09-08 Nippon Steel Corp 減圧精錬炉
CN1299308C (zh) * 2004-07-30 2007-02-07 常熟开关制造有限公司(原常熟开关厂) 自动转换开关的指示装置
JP5230693B2 (ja) * 2010-07-06 2013-07-10 品川リフラクトリーズ株式会社 ガス吹き込みノズル
DE102014201827A1 (de) * 2013-11-27 2015-05-28 Sms Siemag Ag Verfahren zur Steuerung des Entkohlungsreaktionspotentials einer kohlenstoffhaltigen Metallschmelze während einer Sauerstoff-Inertgas-Blas- und Vakuumbehandlung
CN115466815B (zh) * 2022-09-27 2023-07-14 鞍钢股份有限公司 一种高碳钢控制氮含量方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT237000B (de) * 1962-09-18 1964-11-25 Guszstahlwerk Witten Ag Verfahren zur Herstellung von legiertem Stahl
US3320053A (en) * 1964-09-25 1967-05-16 Bethlehem Steel Corp Method of injecting gases into steel melts
DE1758107B2 (de) * 1968-04-04 1976-03-04 Edelstahlwerk Witten Ag, 5810 Witten Verfahren zum herstellen von rostfreien chrom- und chrom-nickel-staehlen
US3507642A (en) * 1969-06-02 1970-04-21 Allegheny Ludlum Steel Process for producing corrosion resistant steel
US3724830A (en) * 1969-08-15 1973-04-03 Joslyn Mfg & Supply Co Molten metal reactor vessel
DE2007373B2 (de) * 1970-02-18 1973-05-03 Eisenwerk-Gesellschaft Maximilianshütte mbH, 8458 Sulzbach-Rosenberg Verfahren und konverter zum herstellen ferritischer chromstaehle
JPS504602B2 (pt) * 1971-08-16 1975-02-21

Also Published As

Publication number Publication date
CA1017951A (en) 1977-09-27
SE424448B (sv) 1982-07-19
SE7408052L (pt) 1974-12-19
FR2233401B1 (pt) 1978-10-27
ES426785A1 (es) 1976-07-16
JPS5839885B2 (ja) 1983-09-02
US3854932A (en) 1974-12-17
IT1013389B (it) 1977-03-30
BE815451A (fr) 1974-11-22
DE2428465C2 (de) 1984-03-15
AU6870974A (en) 1975-11-13
DE2428465A1 (de) 1975-01-09
FR2233401A1 (pt) 1975-01-10
JPS5022709A (pt) 1975-03-11
GB1451013A (en) 1976-09-29

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