ES455347A1 - Procedimiento para la obtencion de aceros al boro. - Google Patents

Procedimiento para la obtencion de aceros al boro.

Info

Publication number
ES455347A1
ES455347A1 ES455347A ES455347A ES455347A1 ES 455347 A1 ES455347 A1 ES 455347A1 ES 455347 A ES455347 A ES 455347A ES 455347 A ES455347 A ES 455347A ES 455347 A1 ES455347 A1 ES 455347A1
Authority
ES
Spain
Prior art keywords
steels
boron
ppm
addns
balanced
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES455347A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ugine Aciers SA
Original Assignee
Ugine Aciers SA
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=9168667&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES455347(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ugine Aciers SA filed Critical Ugine Aciers SA
Publication of ES455347A1 publication Critical patent/ES455347A1/es
Expired legal-status Critical Current

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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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

Landscapes

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

Abstract

Procedimiento para la obtención de aceros al boro con características mecánicas perfeccionadas, caracterizado porque, con objeto de obtener contenidos óptimos a la vez en boro libre y en boro combinado, se efectúan las etapas siguientes: a) elaboración del acero en estado líquido b) introducción de aluminio bien el en transcurso de la etapa de desoxidación del acero, bien tras finalizado de ésta, en una cantidad suficiente como para que, tras decantación del acero, expresada en partes por millón, asi como los contenidos eventuales en partes por millón de éste acero en V y/o Nb y/o Ta satisfagan la relación: **(Fórmula-01)** en la que So debe estar comprendido entre 200 y 800, c) ajuste del contenido en nitrógeno del acero para obtener un contenido comprendido entre 40 y 220 ppm, d) adición de boro hasta un contenido total "Bt" comprendido entre 30 y 100 ppm estando los contenidos en nitrógeno y en boro total expresados en parte por millones así como la suma equivalente con el aluminio So por lo demás determinadas de forma que satisfagan la relación: **(Fórmula-02)**
ES455347A 1976-01-28 1977-01-26 Procedimiento para la obtencion de aceros al boro. Expired ES455347A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7602853A FR2339678A1 (fr) 1976-01-28 1976-01-28 Aciers a caracteristiques mecaniques ameliorees par additions controlees de b, al et n

Publications (1)

Publication Number Publication Date
ES455347A1 true ES455347A1 (es) 1978-01-16

Family

ID=9168667

Family Applications (1)

Application Number Title Priority Date Filing Date
ES455347A Expired ES455347A1 (es) 1976-01-28 1977-01-26 Procedimiento para la obtencion de aceros al boro.

Country Status (9)

Country Link
BE (1) BE850831A (es)
CH (1) CH619270A5 (es)
DE (1) DE2703149B2 (es)
ES (1) ES455347A1 (es)
FR (1) FR2339678A1 (es)
IN (1) IN147052B (es)
IT (1) IT1075064B (es)
LU (1) LU76646A1 (es)
NL (1) NL7700957A (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI793135A7 (fi) * 1978-11-17 1981-01-01 Concast Ag Menetelmä booripitoisen teräksen käsittelemiseksi.
DE2967307D1 (en) * 1979-05-02 1985-01-10 Henrik Giflo Construction steel with high fatigue resistance, process for producing said steel
DE2967517D1 (en) * 1979-06-08 1985-10-31 Henrik Giflo Reinforcement steel with high mechanical strength
DE3201204C2 (de) * 1982-01-16 1983-12-22 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8900 Augsburg "Verwendung eines Kohlenstoff-Mangan-Stahles für Bauteile mit hoher Festigkeit und Zähigkeit bei einfacher Wärmebehandlung"
DE3917071C1 (es) * 1988-10-22 1990-04-19 Thyssen Edelstahlwerke Ag, 4000 Duesseldorf, De
DE3837400C2 (de) * 1988-11-01 1995-02-23 Mannesmann Ag Verfahren zur Herstellung nahtloser Druckbehälter
JPH06323399A (ja) * 1992-06-30 1994-11-25 Sumitomo Metal Ind Ltd 自動車用ギヤおよびその製造方法
KR0153482B1 (ko) * 1994-08-16 1998-11-16 코오타니 토모카쭈 무한궤도용 링크의 제조방법
JP3932102B2 (ja) * 2001-07-17 2007-06-20 大同特殊鋼株式会社 肌焼鋼及びこれを用いた浸炭部品
CN108085591A (zh) * 2017-11-24 2018-05-29 南阳汉冶特钢有限公司 一种具有低焊接裂纹敏感性能的钢板htnm400及其生产方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB988704A (en) * 1961-03-11 1965-04-07 Ishikawajima Harima Heavy Ind Nitride bearing ductile steel

Also Published As

Publication number Publication date
DE2703149B2 (de) 1978-07-13
IT1075064B (it) 1985-04-22
CH619270A5 (en) 1980-09-15
FR2339678B1 (es) 1979-09-21
BE850831A (fr) 1977-07-28
IN147052B (es) 1979-10-27
FR2339678A1 (fr) 1977-08-26
NL7700957A (nl) 1977-08-01
DE2703149A1 (de) 1977-08-04
LU76646A1 (es) 1977-08-03

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