BR8306015A - Processo para a fabricacao de um artigo metalico e de aco inoxidavel;processo para remover uma escama de oxido da superficie de um artigo de metal - Google Patents

Processo para a fabricacao de um artigo metalico e de aco inoxidavel;processo para remover uma escama de oxido da superficie de um artigo de metal

Info

Publication number
BR8306015A
BR8306015A BR8306015A BR8306015A BR8306015A BR 8306015 A BR8306015 A BR 8306015A BR 8306015 A BR8306015 A BR 8306015A BR 8306015 A BR8306015 A BR 8306015A BR 8306015 A BR8306015 A BR 8306015A
Authority
BR
Brazil
Prior art keywords
item
manufacture
remove
stainless steel
oxide scale
Prior art date
Application number
BR8306015A
Other languages
English (en)
Inventor
Donald Raymond Zaremski
Original Assignee
Allegheny Ludlum Steel
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 Steel filed Critical Allegheny Ludlum Steel
Publication of BR8306015A publication Critical patent/BR8306015A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
    • C25F1/02—Pickling; Descaling
    • C25F1/04—Pickling; Descaling in solution
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
    • C25F1/02—Pickling; Descaling
    • C25F1/04—Pickling; Descaling in solution
    • C25F1/06—Iron or steel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
BR8306015A 1982-11-24 1983-10-31 Processo para a fabricacao de um artigo metalico e de aco inoxidavel;processo para remover uma escama de oxido da superficie de um artigo de metal BR8306015A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/444,128 US4415415A (en) 1982-11-24 1982-11-24 Method of controlling oxide scale formation and descaling thereof from metal articles

Publications (1)

Publication Number Publication Date
BR8306015A true BR8306015A (pt) 1984-07-10

Family

ID=23763620

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8306015A BR8306015A (pt) 1982-11-24 1983-10-31 Processo para a fabricacao de um artigo metalico e de aco inoxidavel;processo para remover uma escama de oxido da superficie de um artigo de metal

Country Status (9)

Country Link
US (1) US4415415A (pt)
EP (1) EP0113500B1 (pt)
JP (1) JPS5996300A (pt)
KR (1) KR890001379B1 (pt)
AT (1) AT381121B (pt)
BR (1) BR8306015A (pt)
CA (1) CA1217451A (pt)
DE (1) DE3381642D1 (pt)
ES (2) ES8604660A1 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT387406B (de) * 1987-05-07 1989-01-25 Andritz Ag Maschf Verfahren zum elektrolytischen beizen von chromhaeltigem edelstahl
AT395601B (de) * 1990-07-27 1993-02-25 Andritz Ag Maschf Verfahren zum beizen von edelstahl
US5175026A (en) * 1991-07-16 1992-12-29 Wheeling-Nisshin, Inc. Method for hot-dip coating chromium-bearing steel
AT402737B (de) * 1992-04-29 1997-08-25 Andritz Patentverwaltung Verfahren zum diskontinuierlichen beizen von metallischen platten, insbesondere aus edelstahl
CA2142096C (en) * 1993-06-25 2000-10-03 Makoto Isobe Method of hot-dip-zinc-plating high-tension steel plate reduced in unplated portions
US5490908A (en) 1994-07-11 1996-02-13 Allegheny Ludlum Corporation Annealing and descaling method for stainless steel
US5830291C1 (en) * 1996-04-19 2001-05-22 J & L Specialty Steel Inc Method for producing bright stainless steel
DE19618899A1 (de) * 1996-05-10 1997-11-13 Metallgesellschaft Ag Verfahren zum Entfernen von mit Seifen behafteten Konversionsschichten von metallischen Werkstücken
AT406486B (de) * 1998-12-22 2000-05-25 Andritz Patentverwaltung Verfahren zum beizen von edelstahl
EP2581143B1 (en) * 1999-01-26 2019-10-30 Nippon Steel & Sumitomo Metal Corporation Method of removing scales and preventing scale formation
ATE291101T1 (de) * 2001-04-26 2005-04-15 Air Liquide Verfahren zum verbessern der metallurgischen eigenschaften von im ofen behandelten produkten
KR101304602B1 (ko) * 2011-12-21 2013-09-05 주식회사 포스코 스케일의 박리성을 향상시키는 방법
DE102014111779A1 (de) * 2014-08-18 2016-02-18 Iva Industrieöfen Gmbh Verfahren zur Herstellung einer Retorte für einen Nitrierofen sowie Retorte

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1226856A (fr) * 1958-12-23 1960-08-16 Procédé de décapage des aciers alliés
US3254011A (en) * 1963-09-20 1966-05-31 Allegheny Ludlum Steel Electrolytic potassium hydroxide descaling
US3260619A (en) * 1965-02-04 1966-07-12 Kolene Corp Methods and compositions for cleaning metal
US4012299A (en) * 1976-04-01 1977-03-15 Allegheny Ludlum Industries, Inc. Metallic descaling system
US4026777A (en) * 1976-04-01 1977-05-31 Allegheny Ludlum Industries, Inc. Metallic descaling system
US4066521A (en) * 1977-02-09 1978-01-03 Allegheny Ludlum Industries, Inc. Metallic descaling system
DE2808399A1 (de) * 1978-02-27 1979-09-06 Uss Eng & Consult Verfahren zur oberflaechenkonditionierung von rostfreiem stahl
US4363709A (en) * 1981-02-27 1982-12-14 Allegheny Ludlum Steel Corporation High current density, acid-free electrolytic descaling process
JPS6047918B2 (ja) * 1981-03-29 1985-10-24 住友金属工業株式会社 鋼線材の電解脱スケ−ルにおける酸性電解法

Also Published As

Publication number Publication date
JPH0314920B2 (pt) 1991-02-27
AT381121B (de) 1986-08-25
ES8608064A1 (es) 1986-06-01
JPS5996300A (ja) 1984-06-02
CA1217451A (en) 1987-02-03
EP0113500A2 (en) 1984-07-18
ES8604660A1 (es) 1986-02-01
EP0113500A3 (en) 1987-01-07
KR840006832A (ko) 1984-12-03
ATA347983A (de) 1986-01-15
US4415415A (en) 1983-11-15
EP0113500B1 (en) 1990-06-13
ES543218A0 (es) 1986-06-01
DE3381642D1 (de) 1990-07-19
KR890001379B1 (ko) 1989-05-02
ES526242A0 (es) 1986-02-01

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Legal Events

Date Code Title Description
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 31/10/98

B15K Others concerning applications: alteration of classification

Ipc: C21D 1/76 (2006.01), C25F 1/06 (2006.0