EP1818423A3 - Process for producing water-bearing copper cast parts with lowered tendency of migration by annealing - Google Patents

Process for producing water-bearing copper cast parts with lowered tendency of migration by annealing Download PDF

Info

Publication number
EP1818423A3
EP1818423A3 EP07008709A EP07008709A EP1818423A3 EP 1818423 A3 EP1818423 A3 EP 1818423A3 EP 07008709 A EP07008709 A EP 07008709A EP 07008709 A EP07008709 A EP 07008709A EP 1818423 A3 EP1818423 A3 EP 1818423A3
Authority
EP
European Patent Office
Prior art keywords
annealing
migration
producing water
cast parts
bearing copper
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.)
Ceased
Application number
EP07008709A
Other languages
German (de)
French (fr)
Other versions
EP1818423A2 (en
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
Publication of EP1818423A2 publication Critical patent/EP1818423A2/en
Publication of EP1818423A3 publication Critical patent/EP1818423A3/en
Ceased 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Sliding-Contact Bearings (AREA)
  • Contacts (AREA)
  • Conductive Materials (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

Production of a water-guiding cast fitting of a drinking water pipe comprises casting a copper-tin, copper-tin-zinc or copper-silicon-zinc alloy containing at least 80 wt.% copper, annealing the cast part at 400-800[deg]C for at least 30 minutes and cooling in ambient air.
EP07008709A 2005-07-28 2005-07-28 Process for producing water-bearing copper cast parts with lowered tendency of migration by annealing Ceased EP1818423A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05016381A EP1749897B1 (en) 2005-07-28 2005-07-28 Process including annealing for producing water-bearing copper cast parts with lowered tendency of migration

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP05016381A Division EP1749897B1 (en) 2005-07-28 2005-07-28 Process including annealing for producing water-bearing copper cast parts with lowered tendency of migration

Publications (2)

Publication Number Publication Date
EP1818423A2 EP1818423A2 (en) 2007-08-15
EP1818423A3 true EP1818423A3 (en) 2007-08-22

Family

ID=35169669

Family Applications (2)

Application Number Title Priority Date Filing Date
EP05016381A Not-in-force EP1749897B1 (en) 2005-07-28 2005-07-28 Process including annealing for producing water-bearing copper cast parts with lowered tendency of migration
EP07008709A Ceased EP1818423A3 (en) 2005-07-28 2005-07-28 Process for producing water-bearing copper cast parts with lowered tendency of migration by annealing

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP05016381A Not-in-force EP1749897B1 (en) 2005-07-28 2005-07-28 Process including annealing for producing water-bearing copper cast parts with lowered tendency of migration

Country Status (4)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL1980633T3 (en) 2007-04-02 2012-02-29 Ed Fitscher Gmbh & Co Kg Use of a bronze alloy for a worm gear
DE202007019373U1 (en) 2007-04-02 2012-02-06 Ed. Fitscher Gmbh & Co. Kg Use of a bronze alloy for a worm gear
EP2014964B1 (en) * 2007-06-05 2011-11-23 R. Nussbaum AG Valve
CN114459850B (en) * 2021-12-23 2023-10-03 广州海关技术中心 Preparation method of standard sample for detecting nickel release amount of ornaments

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1443090A (en) * 1974-03-25 1976-07-21 Anaconda Co Silicon brass resistant to partin corrosion-
EP0947592B1 (en) * 1996-09-09 2003-03-26 Toto Ltd. Copper alloy and method of manufacturing same

Family Cites Families (2)

* 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
JP3734372B2 (en) 1998-10-12 2006-01-11 三宝伸銅工業株式会社 Lead-free free-cutting copper alloy

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1443090A (en) * 1974-03-25 1976-07-21 Anaconda Co Silicon brass resistant to partin corrosion-
EP0947592B1 (en) * 1996-09-09 2003-03-26 Toto Ltd. Copper alloy and method of manufacturing same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DAVIS J R: "Copper and Copper Alloys", ASM SPECIALTY HANDBOOK: COPPER AND COPPER ALLOYS, 2001, USA, pages 386, 390, XP002440251 *

Also Published As

Publication number Publication date
EP1818423A2 (en) 2007-08-15
ATE376076T1 (en) 2007-11-15
DE502005001747D1 (en) 2007-11-29
EP1749897B1 (en) 2007-10-17
ES2294604T3 (en) 2008-04-01
EP1749897A1 (en) 2007-02-07

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