BR9405555A - Aço contendo inclusões de sistema óxido sperfinamente dispersas. - Google Patents

Aço contendo inclusões de sistema óxido sperfinamente dispersas.

Info

Publication number
BR9405555A
BR9405555A BR9405555-6A BR9405555A BR9405555A BR 9405555 A BR9405555 A BR 9405555A BR 9405555 A BR9405555 A BR 9405555A BR 9405555 A BR9405555 A BR 9405555A
Authority
BR
Brazil
Prior art keywords
oxide system
total
steel containing
inclusions
dispersed oxide
Prior art date
Application number
BR9405555-6A
Other languages
English (en)
Inventor
Yuji Kawauchi
Hirobumi Maede
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=16457149&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9405555(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of BR9405555A publication Critical patent/BR9405555A/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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C21D2211/004—Dispersions; Precipitations
    • 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
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/021—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving particular fabrication steps or treatments of ingots or slabs
    • 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
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. for deep-drawing
    • C21D8/041—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. for deep-drawing involving a particular fabrication or treatment of ingot or slab

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)
  • Oxygen, Ozone, And Oxides In General (AREA)

Abstract

Patente de Invenção. "AçO CONTENDO INCLUSõES DE SISTEMA óXIDO SUPERFINAMENTE DISPERSAS". Aço, compreendendo, em peso, não mais que 1,2% C, 0,01 a 0,10% Al, oxigênio total não acima de 0,0050%, e Mg de uma quantidade que atende à relação da seguinte fórmula (1), a taxa do número de inclusões de sistema óxido no aço preferivelmente atende à seguinte fórmula (2). (total % em peso oxigênio x 0,5) <243>total % em peso Mg < (total % em peso oxigênio x 7,0) ...(1) (número de MgO.Al~ 2~O~ 3~ + número de MgO) / número de inclusões de sistema óxido total <242>0,8 ...(2).
BR9405555-6A 1993-08-16 1994-02-16 Aço contendo inclusões de sistema óxido sperfinamente dispersas. BR9405555A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5202416A JP2978038B2 (ja) 1993-08-16 1993-08-16 酸化物系介在物超微細分散鋼
PCT/JP1994/000230 WO1995005492A1 (fr) 1993-08-16 1994-02-16 Acier dans lequel sont dispersees des inclusions d'oxyde ultrafines

Publications (1)

Publication Number Publication Date
BR9405555A true BR9405555A (pt) 1999-09-08

Family

ID=16457149

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9405555-6A BR9405555A (pt) 1993-08-16 1994-02-16 Aço contendo inclusões de sistema óxido sperfinamente dispersas.

Country Status (11)

Country Link
US (1) US5690753A (pt)
EP (1) EP0666331B1 (pt)
JP (1) JP2978038B2 (pt)
KR (1) KR0161612B1 (pt)
CN (1) CN1038048C (pt)
AT (1) ATE180287T1 (pt)
AU (1) AU674929B2 (pt)
BR (1) BR9405555A (pt)
CA (1) CA2146356C (pt)
DE (1) DE69418588T2 (pt)
WO (1) WO1995005492A1 (pt)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3556968B2 (ja) * 1994-06-16 2004-08-25 新日本製鐵株式会社 高炭素系高寿命軸受鋼
JP3512873B2 (ja) * 1994-11-24 2004-03-31 新日本製鐵株式会社 高寿命高周波焼入れ軸受鋼
JP3238031B2 (ja) * 1995-01-18 2001-12-10 新日本製鐵株式会社 高寿命浸炭軸受鋼
JP2000080445A (ja) * 1998-09-02 2000-03-21 Natl Res Inst For Metals 酸化物分散鋼とその製造方法
EP2292352B1 (en) * 1999-04-08 2014-05-14 Nippon Steel & Sumitomo Metal Corporation Method for processing molten steel for cast steel and steel material with excellent workability
US7427526B2 (en) * 1999-12-20 2008-09-23 The Penn State Research Foundation Deposited thin films and their use in separation and sacrificial layer applications
JP2002294327A (ja) * 2001-03-30 2002-10-09 Nippon Steel Corp 高清浄度鋼およびその製造方法
AU2003205104A1 (en) * 2002-01-11 2003-07-30 The Pennsylvania State University Method of forming a removable support with a sacrificial layers and of transferring devices
KR100741993B1 (ko) * 2003-08-06 2007-07-23 닛신 세이코 가부시키가이샤 스테인레스강의 가공 경화재
CN102985575B (zh) * 2010-06-08 2015-08-26 新日铁住金株式会社 抗硫化物应力裂纹性优异的钢管用钢
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
CN104409521A (zh) * 2014-11-13 2015-03-11 无锡中洁能源技术有限公司 纳米薄膜太阳能电池基板材料及其制备方法
JP6603033B2 (ja) * 2015-03-31 2019-11-06 日本冶金工業株式会社 高Ｍｎ含有Ｆｅ−Ｃｒ−Ｎｉ合金およびその製造方法
US20230099909A1 (en) * 2020-01-15 2023-03-30 Nippon Steel Stainless Steel Corporation Ferritic stainless steel
CN112662942B (zh) * 2020-11-19 2022-04-19 南京钢铁股份有限公司 阻尼钢及其制备方法
JP7768415B2 (ja) * 2023-06-29 2025-11-12 Ｊｆｅスチール株式会社 溶鋼の製造方法及び鋳片の製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5051924A (pt) * 1973-09-10 1975-05-09
JPS5856021B2 (ja) * 1976-12-21 1983-12-13 新日本製鐵株式会社 高清浄度鋼およびその製造法
JPS5510660A (en) * 1978-07-08 1980-01-25 Toshiba Corp Data processor
JPH0678566B2 (ja) * 1988-06-08 1994-10-05 新日本製鐵株式会社 疲労特性に優れたステンレス鋼箔の製造方法
US5391241A (en) * 1990-03-22 1995-02-21 Nkk Corporation Fe-Ni alloy cold-rolled sheet excellent in cleanliness and etching pierceability
JP2536685B2 (ja) * 1990-10-22 1996-09-18 日本鋼管株式会社 Ａｇメッキ性に優れたリ―ドフレ―ム素材用Ｆｅ―Ｎｉ合金およびその製造方法
JPH04272119A (ja) * 1991-02-28 1992-09-28 Nippon Steel Corp 酸化物系介在物を無害化した鋼材の製造方法
JPH0551924A (ja) * 1991-08-23 1993-03-02 Asahi Chem Ind Co Ltd 複層の布製筒体を有する先端杭

Also Published As

Publication number Publication date
EP0666331A1 (en) 1995-08-09
US5690753A (en) 1997-11-25
WO1995005492A1 (fr) 1995-02-23
AU6044694A (en) 1995-03-14
DE69418588T2 (de) 2000-02-24
JP2978038B2 (ja) 1999-11-15
CA2146356A1 (en) 1995-02-23
KR950703662A (ko) 1995-09-20
EP0666331B1 (en) 1999-05-19
JPH0754103A (ja) 1995-02-28
AU674929B2 (en) 1997-01-16
CN1038048C (zh) 1998-04-15
DE69418588D1 (de) 1999-06-24
ATE180287T1 (de) 1999-06-15
EP0666331A4 (en) 1995-12-13
CN1113660A (zh) 1995-12-20
KR0161612B1 (ko) 1999-01-15
CA2146356C (en) 2001-03-20

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
HHFG Granted patent or certificate of addition of invention: rectification

Free format text: REFERENCIA RPI 1558 DE 14/11/2000 - INDICE DE DESPACHO - PRAZO DE VALIDADE

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 16/02/2014