BRPI0513430A - aço para canos de aço - Google Patents

aço para canos de aço

Info

Publication number
BRPI0513430A
BRPI0513430A BRPI0513430-7A BRPI0513430A BRPI0513430A BR PI0513430 A BRPI0513430 A BR PI0513430A BR PI0513430 A BRPI0513430 A BR PI0513430A BR PI0513430 A BRPI0513430 A BR PI0513430A
Authority
BR
Brazil
Prior art keywords
steel
pipes
less
aco
present
Prior art date
Application number
BRPI0513430-7A
Other languages
English (en)
Inventor
Mitsuhiro Numata
Tomohiko Omura
Yoshihiko Higuchi
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 BRPI0513430A publication Critical patent/BRPI0513430A/pt
Publication of BRPI0513430B1 publication Critical patent/BRPI0513430B1/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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Earth Drilling (AREA)

Abstract

AçO PARA CANOS DE AçO. A presente invenção refere-se a um aço para canos de aço que compreende, na base de porcentagem por massa, C: 0,2 a 0,7%, Si: 0,01 a 0,8%, Mn: 0,1 a 1,5%, S: 0,005% ou menos, P: 0,03% ou menos, AI: 0,0005 a 0,1%, Ti: 0,005 a 0,05%, Ca: 0,0004 a 0,005%, N: 0,007% ou menos, Cr: 0,1 a 1,5%, Mo: 0,2 a 1,0%, Nb: O a 0,1%, Zr: 0 a 0,1%, V: 0 a 0,5% e B: 0 a 0,005%, com o equilíbrio sendo Fe e impurezas, no qual as inclusões não-metálicas contendo Ca, AI, Ti, N, O e S estão presentes, e nas ditas inclusões em que (Ca%)/(AI%) é 0,55 a 1,72 e (Ca%)/(Ti%) é 0,7 a 19 pode ser usado como uma matéria-prima para artigos tubulares de campo petrolífero, sendo usado em uma profundidade maior e em circunstâncias corrosivas mais severas, tais como invólucros e tubulações para poços de gás natural e/ou petrolíferos, canos de perfuração e colares de perfuração para escavação e similar.
BRPI0513430-7B1A 2004-07-20 2005-07-19 Aço para tubos de aço BRPI0513430B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004-211461 2004-07-20
JP2004211461A JP4135691B2 (ja) 2004-07-20 2004-07-20 窒化物系介在物形態制御鋼
PCT/JP2005/013249 WO2006009142A1 (ja) 2004-07-20 2005-07-19 鋼管用鋼

Publications (2)

Publication Number Publication Date
BRPI0513430A true BRPI0513430A (pt) 2008-05-06
BRPI0513430B1 BRPI0513430B1 (pt) 2014-11-04

Family

ID=35655873

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0513430-7B1A BRPI0513430B1 (pt) 2004-07-20 2005-07-19 Aço para tubos de aço

Country Status (15)

Country Link
US (1) US7264684B2 (pt)
EP (1) EP1790748B1 (pt)
JP (1) JP4135691B2 (pt)
CN (1) CN100476003C (pt)
AR (1) AR050079A1 (pt)
AT (1) ATE504668T1 (pt)
AU (1) AU2005264481B2 (pt)
BR (1) BRPI0513430B1 (pt)
CA (1) CA2574025C (pt)
DE (1) DE602005027363D1 (pt)
EA (1) EA008934B1 (pt)
MX (1) MX2007000628A (pt)
NO (1) NO337650B1 (pt)
UA (1) UA82022C2 (pt)
WO (1) WO2006009142A1 (pt)

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EP2789700A1 (en) 2013-04-08 2014-10-15 DALMINE S.p.A. Heavy wall quenched and tempered seamless steel pipes and related method for manufacturing said steel pipes
JP6144417B2 (ja) 2013-06-25 2017-06-07 テナリス・コネクシヨンズ・ベー・ブイ 高クロム耐熱鋼
CN105378118A (zh) * 2013-07-10 2016-03-02 杰富意钢铁株式会社 钢材的制造方法
CA2963755C (en) * 2014-10-17 2020-06-30 Nippon Steel & Sumitomo Metal Corporation Low alloy oil-well steel pipe
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Also Published As

Publication number Publication date
ATE504668T1 (de) 2011-04-15
EP1790748A1 (en) 2007-05-30
NO337650B1 (no) 2016-05-23
AU2005264481A1 (en) 2006-01-26
CA2574025A1 (en) 2006-01-26
JP2006028612A (ja) 2006-02-02
DE602005027363D1 (de) 2011-05-19
CN100476003C (zh) 2009-04-08
NO20070613L (no) 2007-02-01
CA2574025C (en) 2013-04-23
MX2007000628A (es) 2007-03-07
CN1989263A (zh) 2007-06-27
UA82022C2 (uk) 2008-02-25
JP4135691B2 (ja) 2008-08-20
EP1790748B1 (en) 2011-04-06
EP1790748A4 (en) 2008-09-03
WO2006009142A1 (ja) 2006-01-26
AR050079A1 (es) 2006-09-27
US7264684B2 (en) 2007-09-04
EA200700145A1 (ru) 2007-04-27
AU2005264481B2 (en) 2008-09-25
US20060016520A1 (en) 2006-01-26
EA008934B1 (ru) 2007-10-26
BRPI0513430B1 (pt) 2014-11-04

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
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)

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 19/07/2005, OBSERVADAS AS CONDICOES LEGAIS.

B25D Requested change of name of applicant approved
B25K Entry of change of name and/or headquarter and transfer of application, patent and certificate of addition of invention: republication

Free format text: RETIFICADO O DESPACHO 25.4 PUBLICADO NA RPI 2543 DE 01/10/2019. ONDE SE LE: ?(?), SENDO ESTA PUBLICADA NA RPI NO 2542, DE 24/09/2019? LEIA-SE: ?(?), SENDO ESTA PUBLICADA NA RPI NO 2543, DE 01/10/2019?

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

Free format text: REFERENTE A 18A 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 2732 DE 16-05-2023 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.