BRPI0111076B1 - processo de decapagem de aço inoxidável austenítico para aumentar a resistência à corrosão - Google Patents

processo de decapagem de aço inoxidável austenítico para aumentar a resistência à corrosão Download PDF

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Publication number
BRPI0111076B1
BRPI0111076B1 BRPI0111076A BR0111076A BRPI0111076B1 BR PI0111076 B1 BRPI0111076 B1 BR PI0111076B1 BR PI0111076 A BRPI0111076 A BR PI0111076A BR 0111076 A BR0111076 A BR 0111076A BR PI0111076 B1 BRPI0111076 B1 BR PI0111076B1
Authority
BR
Brazil
Prior art keywords
steel
corrosion resistance
acid
austenitic stainless
stainless steel
Prior art date
Application number
BRPI0111076A
Other languages
English (en)
Portuguese (pt)
Other versions
BR0111076A (pt
Inventor
James D Fritz
John F Grubb
Ronald E Polinski
Original Assignee
Ati Properties 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 Ati Properties Inc filed Critical Ati Properties Inc
Publication of BR0111076A publication Critical patent/BR0111076A/pt
Publication of BRPI0111076B1 publication Critical patent/BRPI0111076B1/pt

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F15/00—Other methods of preventing corrosion or incrustation
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08—Iron or steel
    • C23G1/086—Iron or steel solutions containing HF
    • 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
    • C21D2261/00—Machining or cutting being involved

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • ing And Chemical Polishing (AREA)
BRPI0111076A 2000-08-07 2001-08-02 processo de decapagem de aço inoxidável austenítico para aumentar a resistência à corrosão BRPI0111076B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/633,508 US6709528B1 (en) 2000-08-07 2000-08-07 Surface treatments to improve corrosion resistance of austenitic stainless steels
PCT/US2001/024367 WO2002012592A1 (en) 2000-08-07 2001-08-02 Surface treatments to improve corrosion resistance of austenitic stainless steels

Publications (2)

Publication Number Publication Date
BR0111076A BR0111076A (pt) 2004-01-13
BRPI0111076B1 true BRPI0111076B1 (pt) 2016-06-21

Family

ID=24539908

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0111076A BRPI0111076B1 (pt) 2000-08-07 2001-08-02 processo de decapagem de aço inoxidável austenítico para aumentar a resistência à corrosão

Country Status (14)

Country Link
US (1) US6709528B1 (enExample)
EP (1) EP1311714A4 (enExample)
JP (1) JP4662685B2 (enExample)
KR (1) KR100622775B1 (enExample)
CN (1) CN1287009C (enExample)
AU (2) AU7916901A (enExample)
BR (1) BRPI0111076B1 (enExample)
CA (1) CA2407591C (enExample)
MX (1) MXPA02010475A (enExample)
NO (1) NO342461B1 (enExample)
PL (1) PL196598B1 (enExample)
RU (1) RU2265079C2 (enExample)
WO (1) WO2002012592A1 (enExample)
ZA (1) ZA200209034B (enExample)

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ES2410883T3 (es) 2004-12-07 2013-07-03 Nippon Steel & Sumitomo Metal Corporation Tubo de acero inoxidable martensítico para pozo petrolífero
BRPI0808453A2 (pt) * 2007-02-12 2014-07-01 Henkel Ag & Co Kgaa Método de tratamento de uma superfície de um substrato de metal
US8430075B2 (en) * 2008-12-16 2013-04-30 L.E. Jones Company Superaustenitic stainless steel and method of making and use thereof
KR101309980B1 (ko) 2012-11-16 2013-09-17 서울특별시 내식성이 향상되는 수도시설용 듀플렉스 스테인리스 강의 용접부 후처리방법
CN103469193A (zh) * 2013-08-23 2013-12-25 中核苏阀横店机械有限公司 不锈钢铸件表面氧化膜成形酸洗钝化液配方
CN103774160A (zh) * 2014-01-20 2014-05-07 东北大学 一种控制不锈钢酸洗过程中表面局部腐蚀的方法
US20160067668A1 (en) * 2014-09-09 2016-03-10 Chevron U.S.A. Inc. Cost-effective materials for process units using acidic ionic liquids
KR20190042119A (ko) 2017-10-13 2019-04-24 김종백 스테인레스 열간단조품의 표면 유광처리방법
TWI689632B (zh) * 2018-10-22 2020-04-01 國立中興大學 不鏽鋼表面披覆層狀雙金屬氫氧化物之方法
EP3805419A4 (en) * 2019-06-14 2021-09-08 Posco AUSTENITIC STAINLESS STEEL WITH EXCELLENT ELECTRICAL CONDUCTIVITY AND ASSOCIATED MANUFACTURING PROCESS
CN111482486A (zh) * 2020-03-27 2020-08-04 滁州市新康达金属制品有限公司 一种防生锈冰箱冲压件的加工方法
CN114457288A (zh) * 2022-01-20 2022-05-10 山西太钢不锈钢股份有限公司 高氮奥氏体不锈钢及其中板的制备方法
KR20240079703A (ko) 2022-11-29 2024-06-05 현대자동차주식회사 무도장 스테인리스 차체의 표면처리방법

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DE3716665A1 (de) * 1987-05-19 1988-12-08 Vdm Nickel Tech Korrosionsbestaendige legierung
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JPH01195294A (ja) * 1988-01-28 1989-08-07 Sumitomo Metal Ind Ltd 高合金の脱スケール法
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Also Published As

Publication number Publication date
NO20030586L (no) 2003-02-06
PL359628A1 (en) 2004-08-23
EP1311714A4 (en) 2005-07-27
CN1432073A (zh) 2003-07-23
AU7916901A (en) 2002-02-18
WO2002012592A1 (en) 2002-02-14
JP2004514052A (ja) 2004-05-13
US6709528B1 (en) 2004-03-23
NO342461B1 (no) 2018-05-22
KR100622775B1 (ko) 2006-09-13
CA2407591C (en) 2008-10-07
RU2265079C2 (ru) 2005-11-27
BR0111076A (pt) 2004-01-13
CN1287009C (zh) 2006-11-29
JP4662685B2 (ja) 2011-03-30
AU2001279169B9 (en) 2006-05-18
EP1311714A1 (en) 2003-05-21
ZA200209034B (en) 2003-08-28
NO20030586D0 (no) 2003-02-06
MXPA02010475A (es) 2003-03-10
CA2407591A1 (en) 2002-02-14
AU2001279169B2 (en) 2005-09-15
KR20030022112A (ko) 2003-03-15
PL196598B1 (pl) 2008-01-31

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: INDEFIRO O PEDIDO DE ACORDO COM O ART. 8O COMBINADO COM O ART. 13 DA LPI.

B12B Appeal against refusal [chapter 12.2 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 21/06/2016, OBSERVADAS AS CONDICOES LEGAIS.

B25D Requested change of name of applicant approved