BR0213414A - Aço inoxidável martensìtico e método de produção do mesmo - Google Patents

Aço inoxidável martensìtico e método de produção do mesmo

Info

Publication number
BR0213414A
BR0213414A BR0213414-4A BR0213414A BR0213414A BR 0213414 A BR0213414 A BR 0213414A BR 0213414 A BR0213414 A BR 0213414A BR 0213414 A BR0213414 A BR 0213414A
Authority
BR
Brazil
Prior art keywords
stainless steel
sym
martensitic stainless
cooled
cooling rate
Prior art date
Application number
BR0213414-4A
Other languages
English (en)
Other versions
BR0213414B1 (pt
Inventor
Mitsuru Yoshizawa
Kunio Kondo
Masaaki Igarashi
Yuichi Komizo
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 BR0213414A publication Critical patent/BR0213414A/pt
Publication of BR0213414B1 publication Critical patent/BR0213414B1/pt

Links

Classifications

    • 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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
    • 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • 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
    • C22C38/18—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
    • 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
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • 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
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • 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
    • C21D1/84—Controlled slow cooling
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

"AçO INOXIDáVEL MARTENSìTICO E MéTODO DE PRODUçãO DO MESMO". A presente invenção refere-se a um aço inoxidável martensítico fornecido que inclui: C: 0,01 - 0,1% e Cr: 9 - 15%, e a fase austenítica retida tem uma espessura de não mais que 100 nm de tal forma que as intensidades integrais de raio X de 111<sym> e 110<244> satisfazem a fórmula (a): 0,005 <243> 111<sym>/(111<sym > + 110<244>) <243> 0,05. Tal estrutura metálica pode ser obtida pelo seguinte procedimento: o aço é aquecido a uma temperatura do ponto AC~ 3~ ou mais, e então resfriado de 800<198>C até 400<198>C a uma taxa de resfriamento de não menos que 0,08<198>C/S e também resfriado até 150<198>C a uma taxa de resfriamento de não mais que 1<198>C/s. O aço inoxidável martensítico conforme a presente invenção tem um teor de carbono relativamente alto e uma dureza mais alta apesar de uma alta resistência mecânica, e também exibe uma excelente resistência à corrosão, de forma que ele seja particularmente eficaz como material para construção de poços de petróleo fundos.
BRPI0213414-4A 2001-10-19 2002-10-04 aço inoxidável martensìtico e método de produção do mesmo. BR0213414B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001-322548 2001-10-19
JP2001322548A JP2003129190A (ja) 2001-10-19 2001-10-19 マルテンサイト系ステンレス鋼およびその製造方法
PCT/JP2002/010394 WO2003035921A1 (en) 2001-10-19 2002-10-04 Martensitic stainless steel and method for manufacturing same

Publications (2)

Publication Number Publication Date
BR0213414A true BR0213414A (pt) 2004-11-03
BR0213414B1 BR0213414B1 (pt) 2011-01-11

Family

ID=19139584

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0213414-4A BR0213414B1 (pt) 2001-10-19 2002-10-04 aço inoxidável martensìtico e método de produção do mesmo.

Country Status (12)

Country Link
US (1) US7662244B2 (pt)
EP (1) EP1446512B1 (pt)
JP (1) JP2003129190A (pt)
CN (1) CN1257994C (pt)
AR (1) AR036880A1 (pt)
AT (1) ATE397677T1 (pt)
BR (1) BR0213414B1 (pt)
CA (1) CA2463783C (pt)
DE (1) DE60226997D1 (pt)
MX (1) MXPA04003690A (pt)
NO (1) NO341414B1 (pt)
WO (1) WO2003035921A1 (pt)

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BRPI0719904B1 (pt) * 2006-08-22 2018-11-21 Nippon Steel & Sumitomo Metal Corp aço inoxidável martensítico
EP2058412A4 (en) 2006-08-31 2016-02-17 Nippon Steel & Sumitomo Metal Corp MARTENSITIC STAINLESS STEEL FOR SOLDER STRUCTURE
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US9573432B2 (en) 2013-10-01 2017-02-21 Hendrickson Usa, L.L.C. Leaf spring and method of manufacture thereof having sections with different levels of through hardness
CN103589830B (zh) * 2013-11-28 2015-01-28 昆明理工大学 一种控制不锈钢中逆变奥氏体含量的方法
BR102014005015A8 (pt) 2014-02-28 2017-12-26 Villares Metals S/A aço inoxidável martensítico-ferrítico, produto manufaturado, processo para a produção de peças ou barras forjadas ou laminadas de aço inoxidável martensítico-ferrítico e processo para a produção de tudo sem costura de aço inoxidável martensítico-ferrítico
US10179943B2 (en) 2014-07-18 2019-01-15 General Electric Company Corrosion resistant article and methods of making
DE102014217369A1 (de) 2014-09-01 2016-03-03 Leibniz-Institut Für Festkörper- Und Werkstoffforschung Dresden E.V. Hochfeste, mechanische energie absorbierende und korrosionsbeständige formkörper aus eisenlegierungen und verfahren zu deren herstellung
US20180237879A1 (en) * 2015-08-28 2018-08-23 Nippon Steel & Sumitomo Metal Corporation Stainless steel pipe and method of manufacturing the same
US10344758B2 (en) * 2016-04-07 2019-07-09 A. Finkl & Sons Co. Precipitation hardened martensitic stainless steel and reciprocating pump manufactured therewith
CN107641757B (zh) * 2017-09-08 2019-03-26 首钢集团有限公司 一种基于混凝土结构耐久性的耐蚀钢筋及其制备方法
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Also Published As

Publication number Publication date
CA2463783A1 (en) 2003-05-01
CN1571859A (zh) 2005-01-26
AR036880A1 (es) 2004-10-13
MXPA04003690A (es) 2004-07-30
DE60226997D1 (de) 2008-07-17
CA2463783C (en) 2008-04-15
ATE397677T1 (de) 2008-06-15
NO341414B1 (no) 2017-10-30
EP1446512A1 (en) 2004-08-18
US20030217789A1 (en) 2003-11-27
JP2003129190A (ja) 2003-05-08
BR0213414B1 (pt) 2011-01-11
EP1446512B1 (en) 2008-06-04
NO20041574L (no) 2004-05-28
WO2003035921A1 (en) 2003-05-01
CN1257994C (zh) 2006-05-31
US7662244B2 (en) 2010-02-16

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 04/10/2002, OBSERVADAS AS CONDICOES LEGAIS.

B25A Requested transfer of rights approved

Owner name: NIPPON STEEL CORPORATION (JP)

B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL AND SUMITOMO METAL CORPORATION (JP)

B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL CORPORATION (JP)

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 20A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2690 DE 26-07-2022 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.