EP1749897B1 - Procédé de fabrication de pièces coulées en cuivre, dont la tendance de migration est réduite par recuit - Google Patents

Procédé de fabrication de pièces coulées en cuivre, dont la tendance de migration est réduite par recuit Download PDF

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Publication number
EP1749897B1
EP1749897B1 EP05016381A EP05016381A EP1749897B1 EP 1749897 B1 EP1749897 B1 EP 1749897B1 EP 05016381 A EP05016381 A EP 05016381A EP 05016381 A EP05016381 A EP 05016381A EP 1749897 B1 EP1749897 B1 EP 1749897B1
Authority
EP
European Patent Office
Prior art keywords
copper
weight
alloy
process according
zinc
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.)
Not-in-force
Application number
EP05016381A
Other languages
German (de)
English (en)
Other versions
EP1749897A1 (fr
Inventor
Frank Leistritz
Katrin Dr.-Ing. Müller
Patrik Zeiter
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.)
JRG Gunzenhauser AG
R NUSSBAUM AG METALLGIESSEREI und ARMATURENFABRIK
Viega GmbH and Co KG
Gebr Kemper GmbH and Co KG
Original Assignee
JRG Gunzenhauser AG
R NUSSBAUM AG METALLGIESSEREI und ARMATURENFABRIK
Viega GmbH and Co KG
Gebr Kemper GmbH and Co KG
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 JRG Gunzenhauser AG, R NUSSBAUM AG METALLGIESSEREI und ARMATURENFABRIK, Viega GmbH and Co KG, Gebr Kemper GmbH and Co KG filed Critical JRG Gunzenhauser AG
Priority to EP05016381A priority Critical patent/EP1749897B1/fr
Priority to DE502005001747T priority patent/DE502005001747D1/de
Priority to AT05016381T priority patent/ATE376076T1/de
Priority to ES05016381T priority patent/ES2294604T3/es
Priority to EP07008709A priority patent/EP1818423A3/fr
Publication of EP1749897A1 publication Critical patent/EP1749897A1/fr
Application granted granted Critical
Publication of EP1749897B1 publication Critical patent/EP1749897B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • C22C9/02—Alloys based on copper with tin as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • C22C9/04—Alloys based on copper with zinc as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon

Claims (11)

  1. Procédé de fabrication de pièces moulées aquifères d'une conduite d'eau, avec une tendance à la migration réduite, dans lequel un alliage de cuivre-étain, de cuivre-étain-zinc ou de cuivre-silicium-zinc, contenant au moins 80 % en poids de Cu est coulé, et, en vue de diminuer la tendance à la migration, la pièce moulée ainsi obtenue est recuite entre 400°C et 800°C pendant au moins 0,5 h et l'élément traité thermiquement est refroidi lentement de 10 jusqu'à 100 K/h.
  2. Procédé selon la revendication 1, caractérisé en ce que le refroidissement est effectué à une vitesse de refroidissement de 20 à 60 K/heure.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le recuit est effectué dans une atmosphère de recuit contenant de l'azote, de l'hydrogène et/ou de l'argon.
  4. Procédé selon la revendication 1 ou 2, caractérisé en ce que le recuit est effectué sous vide et le refroidissement consécutif est effectué à l'azote.
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'alliage moulé a la composition suivante en % en poids : 2,6 ≤ Sn ≤ 6 ; 4 ≤ Zn ≤ 7 ; 2,0 ≤ Pb ≤ 3; 0,1 ≤ Ni ≤ 0,6 et pour le reste du Cu ≥ 80 et des impuretés inévitables.
  6. Procédé selon la revendication 5, caractérisé en ce que l'alliage moulé a la composition suivante en % en poids : 3,8 ≤ Sn ≤ 6 ; 5,5 ≤ Zn ≤ 6,5 ; 2,5 ≤ Pb ≤ 3 ; 0,2 ≤ Ni ≤ 0,6 et pour le reste du Cu ≥ 80 et des impuretés inévitables.
  7. Procédé selon la revendication 5, caractérisé en ce que l'alliage moulé a la composition suivante en % en poids : 3, 9 ≤ Sn ≤ 4, 1 ; 5,9 ≤ Zn ≤ 6, 1 ; 2,8 ≤ Pb ≤ 3,0 ; 0,5 ≤ Ni ≤ 0,6 et pour le reste du Cu > 80 et des impuretés inévitables.
  8. Procédé selon l'une quelconque des revendications 1 à 7, caractérisé en ce que les impuretés inévitables pour les éléments désignés ci-après sont limitées aux valeurs maximales suivantes en pourcentage en poids : Al : 0,01, Sb : 0,1, As : 0,03, Bi : 0,02, Cd : 0,02, Cr : 0,02, Fe : 0,3, Si : 0,02.
  9. Procédé selon l'une quelconque des revendications 1 à 8, caractérisé en ce que l'alliage moulé a la composition suivante en % en poids : 0,1 ≤ Ni ≤ 2,0 ; 0,01 ≤ P ≤ 0, 6 ; 0,1 ≤ Pb ≤ 0,7 ; 11 ≤ Sn ≤ 13 ; 85 ≤ Cu ≤ 88,5 et les impuretés inévitables sont limitées en % en poids aux valeurs suivantes : Al ≤ 0,01, Fe ≤ 0,20, Mn ≤ 0,2, S ≤ 0,05, Sb ≤ 0,15, Si ≤ 0,01, Zn ≤ 0,05.
  10. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'alliage moulé a la composition suivante en % en poids : 0,1 ≤ Si ≤ 5, 0 ; 0,1 ≤ Zn ≤ 5,0 ; 0,1 ≤ Mn ≤ 1,0 ; 0,1 ≤ Sn ≤ 3,0 ; 0,5 ≤ Pb ≤ 3,0 ; 83 ≤ Cu ≤ 85 et des impuretés inévitables.
  11. Procédé selon la revendication 10, caractérisé en ce que l'alliage moulé a une teneur en silicium en % en poids de 2,0 ≤ Si ≤ 3,5.
EP05016381A 2005-07-28 2005-07-28 Procédé de fabrication de pièces coulées en cuivre, dont la tendance de migration est réduite par recuit Not-in-force EP1749897B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP05016381A EP1749897B1 (fr) 2005-07-28 2005-07-28 Procédé de fabrication de pièces coulées en cuivre, dont la tendance de migration est réduite par recuit
DE502005001747T DE502005001747D1 (de) 2005-07-28 2005-07-28 Verfahren zur Herstellung von wasserführenden Kupfer-Gussteilen mit durch Glühen verringerter Migrationsneigung
AT05016381T ATE376076T1 (de) 2005-07-28 2005-07-28 Verfahren zur herstellung von wasserführenden kupfer-gussteilen mit durch glühen verringerter migrationsneigung
ES05016381T ES2294604T3 (es) 2005-07-28 2005-07-28 Procedimiento de fabricacion de piezas fundidas en cobre, con tendencia a la migracion reducida.
EP07008709A EP1818423A3 (fr) 2005-07-28 2005-07-28 Procédé de fabrication de pièces coulées en cuivre, dont la tendance de migration est réduite par recuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05016381A EP1749897B1 (fr) 2005-07-28 2005-07-28 Procédé de fabrication de pièces coulées en cuivre, dont la tendance de migration est réduite par recuit

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP07008709A Division EP1818423A3 (fr) 2005-07-28 2005-07-28 Procédé de fabrication de pièces coulées en cuivre, dont la tendance de migration est réduite par recuit

Publications (2)

Publication Number Publication Date
EP1749897A1 EP1749897A1 (fr) 2007-02-07
EP1749897B1 true EP1749897B1 (fr) 2007-10-17

Family

ID=35169669

Family Applications (2)

Application Number Title Priority Date Filing Date
EP05016381A Not-in-force EP1749897B1 (fr) 2005-07-28 2005-07-28 Procédé de fabrication de pièces coulées en cuivre, dont la tendance de migration est réduite par recuit
EP07008709A Ceased EP1818423A3 (fr) 2005-07-28 2005-07-28 Procédé de fabrication de pièces coulées en cuivre, dont la tendance de migration est réduite par recuit

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP07008709A Ceased EP1818423A3 (fr) 2005-07-28 2005-07-28 Procédé de fabrication de pièces coulées en cuivre, dont la tendance de migration est réduite par recuit

Country Status (4)

Country Link
EP (2) EP1749897B1 (fr)
AT (1) ATE376076T1 (fr)
DE (1) DE502005001747D1 (fr)
ES (1) ES2294604T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE523607T1 (de) 2007-04-02 2011-09-15 Ed Fitscher Gmbh & Co Kg Verwendung einer bronzelegierung für ein schneckenzahnrad
DE202007019373U1 (de) 2007-04-02 2012-02-06 Ed. Fitscher Gmbh & Co. Kg Verwendung einer Bronzelegierung für ein Schneckenzahnrad
ATE534858T1 (de) * 2007-06-05 2011-12-15 Nussbaum & Co Ag R Armatur
CN114459850B (zh) * 2021-12-23 2023-10-03 广州海关技术中心 一种饰品镍释放量检测用标准样品的制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU465605B2 (en) 1971-08-11 1975-10-02 Toyo Valve Co., Ltd Copper rase alloy
GB1443090A (en) 1974-03-25 1976-07-21 Anaconda Co Silicon brass resistant to partin corrosion-
DE69720261T2 (de) * 1996-09-09 2003-11-27 Toto Ltd Kupferlegierung und verfahren zu deren herstellung
JP3734372B2 (ja) 1998-10-12 2006-01-11 三宝伸銅工業株式会社 無鉛快削性銅合金

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP1818423A2 (fr) 2007-08-15
ES2294604T3 (es) 2008-04-01
EP1749897A1 (fr) 2007-02-07
DE502005001747D1 (de) 2007-11-29
EP1818423A3 (fr) 2007-08-22
ATE376076T1 (de) 2007-11-15

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