EP 1273671 B1 20121128 - Dezincification resistant copper-zinc alloy and method for producing the same
Title (en)
Dezincification resistant copper-zinc alloy and method for producing the same
Title (de)
Entzinkungsbeständige Kupfer-Zink-Legierung sowie Verfahren zu ihrer Herstellung
Title (fr)
Alliage cuivre-zinc résistant à la dezincification et son procédé de fabrication
Publication
Application
Priority
DE 10132055 A 20010705
Abstract (en)
[origin: EP1273671A1] Copper-zinc alloy contains (in wt.%) 50-80 copper, 0-5 lead, 0.01-0.10 arsenic, 0.03 to less than 0.3 silicon, 0-0.3 iron, 0-0.04 manganese, balance zinc and removable impurities. The effective copper equivalent is 60-70 wt.%. An Independent claim is also included for the production of the copper-zinc alloy comprising mixing the starting materials, melting, casting into a metallic alloy, annealing to form an alpha -phase at 500-650 degreesC and actively cooling. Preferably the alloy additionally contains 0.15-0.3 wt.% aluminum. The alloy preferably contains 0-0.02 wt.% manganese and 0.02-0.08 wt.% arsenic.
IPC 8 full level
CPC (source: EP)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
DOCDB simple family (publication)
EP 1273671 A1 20030108; EP 1273671 B1 20121128; DE 10132055 A1 20030123; DE 10132055 C2 20031211; ES 2399234 T3 20130326; PT 1273671 E 20130227
DOCDB simple family (application)
EP 02015027 A 20020705; DE 10132055 A 20010705; ES 02015027 T 20020705; PT 02015027 T 20020705