BR0313211A - Aços com poucos clusters alumina - Google Patents

Aços com poucos clusters alumina

Info

Publication number
BR0313211A
BR0313211A BR0313211-0A BR0313211A BR0313211A BR 0313211 A BR0313211 A BR 0313211A BR 0313211 A BR0313211 A BR 0313211A BR 0313211 A BR0313211 A BR 0313211A
Authority
BR
Brazil
Prior art keywords
rare earth
less
ppm
steels
alumina clusters
Prior art date
Application number
BR0313211-0A
Other languages
English (en)
Inventor
Toshiaki Mizoguchi
Yoshiyuki Ueshima
Jun Yamaguchi
Yu Watanabe
Akira Mikasa
Hirotsugu Yasui
Original Assignee
Nippon Steel Corp
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
Priority claimed from JP2002214161A external-priority patent/JP4430285B2/ja
Priority claimed from JP2003167831A external-priority patent/JP4430341B2/ja
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of BR0313211A publication Critical patent/BR0313211A/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
    • 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
    • C21C7/0006—Adding metallic additives
    • 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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Abstract

"AçOS COM POUCOS CLUSTERS ALUMINA". A presente invenção refere-se a um aço tendo poucos clusters alumina preparados pelo lingotamento de aço líquido desoxidado com alumínio, com a adição de um ou mais metais terras raras (REM) selecionados do cluster de Ce, La, Pr e Nd no qual: (a) O teor de óxido de metais terras raras em inclusões com base de óxido consistindo principalmente em alumina e óxidos de metais terras raras é de 0,5 a 15% em massa das ditas inclusões com base de óxido, ou (b) A razão de massa do total de metais terras raras para o oxigênio total (T.O.), REM/T.O., no aço líquido é de não menos de 0,05 e não mais de 0,5, em adição a (a), ou (c) O teor total de metais terras raras é de não menos que 0,1 ppm e menos que 10 ppm e o teor de metais terras raras dissolvidas é de menos de 1 ppm.
BR0313211-0A 2002-07-23 2003-07-22 Aços com poucos clusters alumina BR0313211A (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2002214160A JP4430284B2 (ja) 2002-07-23 2002-07-23 アルミナクラスターの少ない鋼材
JP2002214161A JP4430285B2 (ja) 2002-07-23 2002-07-23 アルミナクラスターの少ない鋼材の製造方法
JP2003167831A JP4430341B2 (ja) 2003-06-12 2003-06-12 アルミナクラスターの少ない鋼材
PCT/JP2003/009274 WO2004009854A1 (ja) 2002-07-23 2003-07-22 アルミナクラスターの少ない鋼材

Publications (1)

Publication Number Publication Date
BR0313211A true BR0313211A (pt) 2005-06-28

Family

ID=30773346

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0313211-0A BR0313211A (pt) 2002-07-23 2003-07-22 Aços com poucos clusters alumina

Country Status (11)

Country Link
US (1) US7776162B2 (pt)
EP (2) EP1978123A1 (pt)
JP (1) JP4430284B2 (pt)
KR (1) KR100759609B1 (pt)
CN (2) CN101429586B (pt)
AU (1) AU2003281547B2 (pt)
BR (1) BR0313211A (pt)
DE (1) DE60330358D1 (pt)
ES (1) ES2333417T3 (pt)
TW (1) TWI232885B (pt)
WO (1) WO2004009854A1 (pt)

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US20090317285A1 (en) * 2006-07-14 2009-12-24 Katsuhiro Sasai High strength steel plate superior in stretch flange formability and fatigue characteristics
KR100832960B1 (ko) * 2006-12-29 2008-05-27 주식회사 포스코 고탄소 크롬 베어링강의 제조방법
JP4879809B2 (ja) * 2007-04-17 2012-02-22 新日本製鐵株式会社 連続鋳造方法
ES2666697T3 (es) 2007-08-01 2018-05-07 Ati Properties, Inc. Aleaciones a base de hierro, de alta tenacidad y alta dureza y método para su fabricación
JP4571994B2 (ja) 2008-07-15 2010-10-27 新日本製鐵株式会社 低炭素鋼の連続鋳造方法
CN101748323B (zh) * 2010-01-15 2011-05-18 北京科技大学 一种在钢液中形成Al2O3纳米颗粒的制备方法
US9182196B2 (en) 2011-01-07 2015-11-10 Ati Properties, Inc. Dual hardness steel article
IN2014DN03266A (pt) * 2011-10-20 2015-07-10 Nippon Steel & Sumitomo Metal Corp
TWI464271B (zh) * 2011-12-20 2014-12-11 Univ Nat Cheng Kung 以鎂鋁改質介在物細化鋼晶粒之冶煉方法
PL2920327T3 (pl) * 2012-11-14 2017-07-31 Arcelormittal Sposób przetwarzania metalurgicznego stali uspokojonych, przeznaczonych do odlewania ciągłego, celem zmniejszenia wad powierzchniowych w produkcie końcowym
CA2909232C (en) 2013-04-24 2017-04-25 Nippon Steel & Sumitomo Metal Corporation Low-oxygen clean steel and low-oxygen clean steel product
CN103882338A (zh) * 2014-02-21 2014-06-25 芜湖市鸿坤汽车零部件有限公司 一种特种耐磨低碳钢材料及其制备方法
WO2015162928A1 (ja) * 2014-04-23 2015-10-29 新日鐵住金株式会社 ばね鋼及びその製造方法
CN104099534B (zh) * 2014-08-01 2016-08-17 宁国市南方耐磨材料有限公司 一种球磨机用耐磨钢球
US20160138143A1 (en) * 2014-11-18 2016-05-19 Air Liquide Large Industries U.S. Lp Materials of construction for use in high pressure hydrogen storage in a salt cavern
TWI708853B (zh) * 2018-06-26 2020-11-01 日商日本製鐵股份有限公司 鋼之製造方法
JP7260731B2 (ja) * 2018-07-11 2023-04-19 日本製鉄株式会社 高清浄鋼とその精錬方法
CN109402321B (zh) * 2018-09-29 2020-11-17 宝山钢铁股份有限公司 一种超低碳钢中氧化物夹杂的控制方法
CN112442631B (zh) 2019-08-30 2022-03-18 宝山钢铁股份有限公司 一种含钛超低碳钢冷轧钢质缺陷的控制方法
CN111041165B (zh) * 2019-12-26 2021-06-29 钢铁研究总院 一种中锰油井管钢及其制备方法
CN113122682B (zh) * 2019-12-30 2023-02-21 上海嘉吉成动能科技有限公司 一种耐二氧化碳腐蚀油井管及其制备方法
CN115537504A (zh) 2021-06-29 2022-12-30 宝山钢铁股份有限公司 一种含钛超低碳钢的制备方法
WO2023118516A1 (en) * 2021-12-24 2023-06-29 Tata Steel Nederland Technology B.V. Steel grade for a tube for low internal pressure applications
CN115927976A (zh) * 2022-11-27 2023-04-07 安徽海螺川崎装备制造有限公司 一种经济型预热器挂板及其生产方法

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Also Published As

Publication number Publication date
KR100759609B1 (ko) 2007-09-17
CN101429586A (zh) 2009-05-13
EP1538224A1 (en) 2005-06-08
EP1538224A4 (en) 2005-09-21
KR20050021547A (ko) 2005-03-07
DE60330358D1 (de) 2010-01-14
EP1978123A1 (en) 2008-10-08
AU2003281547B2 (en) 2008-01-10
TWI232885B (en) 2005-05-21
TW200408714A (en) 2004-06-01
WO2004009854A1 (ja) 2004-01-29
US20060260719A1 (en) 2006-11-23
EP1538224B1 (en) 2009-12-02
CN101429586B (zh) 2012-06-27
US7776162B2 (en) 2010-08-17
ES2333417T3 (es) 2010-02-22
AU2003281547A1 (en) 2004-02-09
JP4430284B2 (ja) 2010-03-10
AU2003281547B8 (en) 2004-02-09
CN1678761B (zh) 2011-06-08
CN1678761A (zh) 2005-10-05
JP2004052076A (ja) 2004-02-19

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
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 22/07/2003, MEDIANTE O RECOLHIMENTO DA TAXA QUINQUENAL DE MANUTENCAO (ARTIGOS 119 E 120 DA LPI) E OBSERVADAS AS DEMAIS CONDICOES LEGAIS.

B25G Requested change of headquarter 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: REPUBLICACAO DO DESPACHO (25.7) ALTERACAO DE SEDE DEFERIDA , PARA FAZER CONSTAR A CERTIDAO ELETRONICA DE AVERBACAO DA CARTA-PATENTE.

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?