Global Patent Index - EP 3650563 A4

EP 3650563 A4 20210407 - ENVIRONMENTALLY FRIENDLY BRASS ALLOY FOR CASTING AND MANUFACTURING METHOD THEREFOR

Title (en)

ENVIRONMENTALLY FRIENDLY BRASS ALLOY FOR CASTING AND MANUFACTURING METHOD THEREFOR

Title (de)

UMWELTFREUNDLICHE MESSINGLEGIERUNG ZUM GIESSEN UND HERSTELLUNGSVERFAHREN DAFÜR

Title (fr)

ALLIAGE DE LAITON ÉCOLOGIQUE POUR COULAGE ET SON PROCÉDÉ DE FABRICATION

Publication

EP 3650563 A4 20210407 (EN)

Application

EP 18828473 A 20180703

Priority

  • CN 201710551042 A 20170707
  • CN 2018094181 W 20180703

Abstract (en)

[origin: EP3650563A1] Disclosed are an environmentally friendly brass alloy for casting and a manufacturing method therefor. The brass alloy is free of the elements selenium, tellurium, antimony, phosphorus, magnesium and manganese, and the components thereof are: 58-61.5 wt.% of Cu, ≤ 0.25 wt.% of Pb, 0.5-0.8 wt.% of Al, < 0.1 wt.% of Sn, < 0.1 wt.% of Ni, 0.02-0.15 wt.% of Fe, and 5-12 ppm of B, with the balance being Zn and inevitable impurities. In addition to excellent polishing performance and hot tearing resistance performance, the brass alloy has good comprehensive performance, and is suitable for casting formed bathroom plumbing parts.

IPC 8 full level

C22C 9/04 (2006.01); C22C 1/02 (2006.01); C22C 1/03 (2006.01); C22C 1/06 (2006.01); C22F 1/08 (2006.01)

CPC (source: CN EP)

C22C 1/02 (2013.01 - EP); C22C 1/03 (2013.01 - CN EP); C22C 1/06 (2013.01 - CN EP); C22C 9/04 (2013.01 - CN EP); C22F 1/08 (2013.01 - EP)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 3650563 A1 20200513; EP 3650563 A4 20210407; CN 107385273 A 20171124; CN 107385273 B 20190301; WO 2019007309 A1 20190110

DOCDB simple family (application)

EP 18828473 A 20180703; CN 201710551042 A 20170707; CN 2018094181 W 20180703