BRPI0406423B1 - aço inoxidável duplex e seu método de produção. - Google Patents

aço inoxidável duplex e seu método de produção. Download PDF

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Publication number
BRPI0406423B1
BRPI0406423B1 BRPI0406423-2A BRPI0406423A BRPI0406423B1 BR PI0406423 B1 BRPI0406423 B1 BR PI0406423B1 BR PI0406423 A BRPI0406423 A BR PI0406423A BR PI0406423 B1 BRPI0406423 B1 BR PI0406423B1
Authority
BR
Brazil
Prior art keywords
less
pitting corrosion
stainless steel
content
oxide
Prior art date
Application number
BRPI0406423-2A
Other languages
English (en)
Portuguese (pt)
Inventor
Tomohiko Omura
Satoshi Matsumoto
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 filed Critical
Publication of BRPI0406423A publication Critical patent/BRPI0406423A/pt
Publication of BRPI0406423B1 publication Critical patent/BRPI0406423B1/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/064—Dephosphorising; Desulfurising
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0087—Treatment of slags covering the steel bath, e.g. for separating slag from the molten metal
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/06—Deoxidising, e.g. killing
    • 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
    • C22C38/02—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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Heat Treatment Of Steel (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
BRPI0406423-2A 2003-08-07 2004-08-03 aço inoxidável duplex e seu método de produção. BRPI0406423B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2003-289418 2003-08-07
JP2003289418 2003-08-07
PCT/JP2004/011070 WO2005014872A1 (ja) 2003-08-07 2004-08-03 二相ステンレス鋼およびその製造方法

Publications (2)

Publication Number Publication Date
BRPI0406423A BRPI0406423A (pt) 2005-10-04
BRPI0406423B1 true BRPI0406423B1 (pt) 2012-12-11

Family

ID=34131558

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0406423-2A BRPI0406423B1 (pt) 2003-08-07 2004-08-03 aço inoxidável duplex e seu método de produção.

Country Status (8)

Country Link
EP (1) EP1561834B1 (zh)
JP (1) JP4155300B2 (zh)
KR (1) KR100661328B1 (zh)
CN (1) CN100427627C (zh)
AU (1) AU2004262702B2 (zh)
BR (1) BRPI0406423B1 (zh)
NO (1) NO336117B1 (zh)
WO (1) WO2005014872A1 (zh)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7662885B2 (en) 2002-08-12 2010-02-16 Exxonmobil Chemical Patents Inc. Method to make an article comprising polymer concentrate
US8192813B2 (en) 2003-08-12 2012-06-05 Exxonmobil Chemical Patents, Inc. Crosslinked polyethylene articles and processes to produce same
CN102031461A (zh) * 2010-10-22 2011-04-27 重庆仪表材料研究所 一种高屈强比高韧性长期弹性稳定性耐热合金
CN103298965B (zh) 2011-01-27 2016-09-28 新日铁住金不锈钢株式会社 合金元素节减型双相不锈钢热轧钢材、具备双相不锈钢作为夹层材料的包层钢板及它们的制造方法
WO2012121232A1 (ja) * 2011-03-10 2012-09-13 住友金属工業株式会社 二相ステンレス鋼
FI126574B (fi) * 2011-09-07 2017-02-28 Outokumpu Oy Dupleksinen ruostumaton teräs
CN104919072B (zh) 2013-01-15 2017-07-14 株式会社神户制钢所 双相不锈钢钢材和双相不锈钢钢管
JP6302793B2 (ja) * 2013-09-11 2018-03-28 株式会社神戸製鋼所 二相ステンレス鋼材および二相ステンレス鋼管
JP6200851B2 (ja) * 2013-11-05 2017-09-20 株式会社神戸製鋼所 二相ステンレス鋼材および二相ステンレス鋼管
FI125466B (en) * 2014-02-03 2015-10-15 Outokumpu Oy DUPLEX STAINLESS STEEL
FI126577B (en) 2014-06-17 2017-02-28 Outokumpu Oy DUPLEX STAINLESS STEEL
JP6303851B2 (ja) * 2014-06-18 2018-04-04 新日鐵住金株式会社 二相ステンレス鋼管
KR101668534B1 (ko) * 2014-12-26 2016-10-24 주식회사 포스코 수퍼 듀플렉스 스테인레스강 및 그 제조 방법
DK3333275T3 (da) * 2016-12-07 2021-02-08 Hoeganaes Ab Publ Rustfrit stålpulver til fremstilling af rustfrit duplex-sinterstål
CN111349847B (zh) * 2018-12-24 2022-03-18 宝山钢铁股份有限公司 一种耐海水腐蚀钢及其制造方法
KR20220126754A (ko) * 2020-02-27 2022-09-16 닛테츠 스테인레스 가부시키가이샤 경면 연마성이 우수한 스테인레스강 및 그 제조 방법
EP4112753A1 (en) * 2020-02-27 2023-01-04 Nippon Steel Stainless Steel Corporation Stainless steel, stainless steel material, and stainless steel production method

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2500162B2 (ja) 1991-11-11 1996-05-29 住友金属工業株式会社 耐食性に優れた高強度二相ステンレス鋼
JPH07197205A (ja) * 1993-12-29 1995-08-01 Nkk Corp オーステナイト系ステンレス鋼薄板及びその製造方法
JP3446294B2 (ja) 1994-04-05 2003-09-16 住友金属工業株式会社 二相ステンレス鋼
CN1052036C (zh) * 1994-05-21 2000-05-03 朴庸秀 有高耐腐蚀性的双相不锈钢
JPH08170153A (ja) * 1994-12-19 1996-07-02 Sumitomo Metal Ind Ltd 高耐食性２相ステンレス鋼
JP3127822B2 (ja) * 1996-04-10 2001-01-29 住友金属工業株式会社 二相ステンレス鋼製継目無鋼管の製造方法
JPH1060526A (ja) * 1996-08-19 1998-03-03 Nkk Corp 耐海水性用析出強化型二相ステンレス鋼の製造方法
JPH1060598A (ja) * 1996-08-19 1998-03-03 Nkk Corp 耐海水性用析出強化型二相ステンレス鋼
JP3624732B2 (ja) * 1998-01-30 2005-03-02 住友金属工業株式会社 成形性に優れたフェライト系ステンレス鋼及びフェライト系ステンレス鋼鋳片
JP3964537B2 (ja) * 1998-04-08 2007-08-22 大平洋金属株式会社 熱間加工性に優れたオーステナイト系ステンレス鋼
JP3446667B2 (ja) * 1999-07-07 2003-09-16 住友金属工業株式会社 加工性と靱性に優れたフェライト系ステンレス鋼、フェライト系ステンレス鋼鋼塊及びその製造方法
JP3534032B2 (ja) * 2000-02-03 2004-06-07 住友金属工業株式会社 ２相ステンレス鋼製鋼管の製造方法
JP2002194505A (ja) * 2000-12-22 2002-07-10 Sumitomo Metal Ind Ltd フェライト系ステンレス鋼およびその製造方法
JP3758508B2 (ja) * 2001-02-13 2006-03-22 住友金属工業株式会社 二相ステンレス鋼管の製造方法
JP3939534B2 (ja) * 2001-11-08 2007-07-04 新日鐵住金ステンレス株式会社 ２相ステンレス鋼板およびその製造方法
CN1303241C (zh) * 2001-11-22 2007-03-07 日本冶金工业株式会社 在含有有机酸和盐分环境下使用的不锈钢
JP4080729B2 (ja) * 2001-11-22 2008-04-23 日本冶金工業株式会社 食品プラント用ステンレス鋼

Also Published As

Publication number Publication date
WO2005014872A1 (ja) 2005-02-17
CN1701126A (zh) 2005-11-23
EP1561834A1 (en) 2005-08-10
BRPI0406423A (pt) 2005-10-04
AU2004262702B2 (en) 2007-05-03
NO20052266L (no) 2005-07-06
EP1561834A4 (en) 2007-07-11
NO20052266D0 (no) 2005-05-10
JPWO2005014872A1 (ja) 2006-10-05
EP1561834B1 (en) 2011-04-20
JP4155300B2 (ja) 2008-09-24
AU2004262702A1 (en) 2005-02-17
KR20060024316A (ko) 2006-03-16
NO336117B1 (no) 2015-05-18
CN100427627C (zh) 2008-10-22
KR100661328B1 (ko) 2006-12-27

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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 03/08/2004, OBSERVADAS AS DEMAIS CONDICOES LEGAIS.

B25A Requested transfer of rights approved
B25D Requested change of name of applicant approved
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 2681 DE 24-05-2022 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.