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BR0213378A - Aço inoxidável martensìtico - Google Patents

Aço inoxidável martensìtico

Info

Publication number
BR0213378A
BR0213378A BR0213378-4A BR0213378A BR0213378A BR 0213378 A BR0213378 A BR 0213378A BR 0213378 A BR0213378 A BR 0213378A BR 0213378 A BR0213378 A BR 0213378A
Authority
BR
Brazil
Prior art keywords
stainless steel
martensically
corrosion resistance
martensitic stainless
hrc
Prior art date
Application number
BR0213378-4A
Other languages
English (en)
Other versions
BR0213378B1 (pt
Inventor
Hisashi Amaya
Kunio Kondo
Masakatsu Ueda
Keiichi Nakamura
Takahiro Kushida
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 BR0213378A publication Critical patent/BR0213378A/pt
Publication of BR0213378B1 publication Critical patent/BR0213378B1/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
    • C22C38/40—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
    • C22C38/001—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
    • C22C38/002—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
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
  • Catalysts (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

"AçO INOXIDáVEL MARTENSìTICO". A presente invenção refere-se a um aço inoxidável martensítico compreendendo C: 0,01 - 0,10%, Si: 0,05 - 1,0%, Mn: 0,05 - 1,5%, P: não mais que 0,03%, S: não mais que 0,01 %, Cr: 9 - 15%, Ni: 0,1 - 4,5%, AL: não mais que 0,05% e N: não mais que 0,1% em massa percentual, e também compreendendo pelo menos um entre Cu: 0,05 - 5% e Mo: 0,05 - 5%, o residual sendo Fe e impurezas, onde os teores de Cu e Mo satisfazem as seguintes fórmulas (a) e (b), 0,2% <243> Mo + Cu/4 <243> 5% ... (a) 0,55% <243> Mo + Cu/4 <243> 5% ... (b) e onde a dureza é 30 - 45 HRC e a quantidade de carbonetos nos limites dos grãos da austenita prévia é de não mais que 0,5% em volume. O aço inoxidável martensítico tem excelentes propriedades em relação à resistência à fratura do estresse de sulfeto, à resistência à corrosão e à corrosão localizada.
BRPI0213378-4A 2001-10-18 2002-10-04 aço inoxidável martensìtico. BR0213378B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2001-320372 2001-10-18
JP2001320372 2001-10-18
JP2002-221918 2002-07-30
JP2002221918A JP4144283B2 (ja) 2001-10-18 2002-07-30 マルテンサイト系ステンレス鋼
PCT/JP2002/010395 WO2003033754A1 (en) 2001-10-18 2002-10-04 Martensitic stainless steel

Publications (2)

Publication Number Publication Date
BR0213378A true BR0213378A (pt) 2005-02-01
BR0213378B1 BR0213378B1 (pt) 2011-01-11

Family

ID=26623960

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0213378-4A BR0213378B1 (pt) 2001-10-18 2002-10-04 aço inoxidável martensìtico.

Country Status (13)

Country Link
US (1) US8157930B2 (pt)
EP (1) EP1444375B1 (pt)
JP (1) JP4144283B2 (pt)
CN (1) CN100554472C (pt)
AR (1) AR036879A1 (pt)
AT (1) ATE348201T1 (pt)
AU (1) AU2002334417B2 (pt)
BR (1) BR0213378B1 (pt)
CA (1) CA2463688C (pt)
DE (1) DE60216806T2 (pt)
MX (1) MXPA04003691A (pt)
NO (1) NO337612B1 (pt)
WO (1) WO2003033754A1 (pt)

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DE102016109253A1 (de) * 2016-05-19 2017-12-07 Böhler Edelstahl GmbH & Co KG Verfahren zum Herstellen eines Stahlwerkstoffs und Stahlwerksstoff
CN109844157B (zh) * 2016-10-17 2021-03-26 杰富意钢铁株式会社 不锈钢板和不锈钢箔
CA3012156A1 (en) * 2017-08-11 2019-02-11 Weatherford Technology Holdings, Llc Corrosion resistant sucker rod
CN109423574B (zh) * 2017-08-31 2021-02-19 宝山钢铁股份有限公司 一种耐高温氧腐蚀不锈钢、套管及其制造方法
EP3536812A1 (de) * 2018-03-08 2019-09-11 HILTI Aktiengesellschaft Bimetallschraube mit martensitisch härtbarem stahl
CN111020364A (zh) * 2018-10-09 2020-04-17 中国电力科学研究院有限公司 一种输变电工程用高强不锈钢紧固件线材及其生产方法
CN109321829B (zh) * 2018-11-06 2020-02-18 鞍钢股份有限公司 一种屈服强度900MPa级不锈钢板及制造方法
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CN113174533A (zh) * 2021-04-13 2021-07-27 靖江市新万国标准件制造有限公司 一种耐腐蚀抗疲劳螺栓用合金钢及浇铸方法

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Also Published As

Publication number Publication date
NO20041566L (no) 2004-05-28
CN100554472C (zh) 2009-10-28
CA2463688C (en) 2009-12-29
CN1571858A (zh) 2005-01-26
DE60216806D1 (de) 2007-01-25
EP1444375A1 (en) 2004-08-11
AR036879A1 (es) 2004-10-13
JP4144283B2 (ja) 2008-09-03
MXPA04003691A (es) 2004-07-30
US20050034790A1 (en) 2005-02-17
EP1444375B1 (en) 2006-12-13
WO2003033754A1 (en) 2003-04-24
AU2002334417B2 (en) 2006-03-16
CA2463688A1 (en) 2003-04-24
ATE348201T1 (de) 2007-01-15
DE60216806T2 (de) 2007-11-08
NO337612B1 (no) 2016-05-09
US8157930B2 (en) 2012-04-17
JP2003193204A (ja) 2003-07-09
BR0213378B1 (pt) 2011-01-11

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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.