EP 4271847 A1 20231108 - COPPER-TIN CONTINUOUS CASTING ALLOY
Title (en)
COPPER-TIN CONTINUOUS CASTING ALLOY
Title (de)
KUPER-ZINN-STRANGGUSSLEGIERUNG
Title (fr)
ALLIAGE DE COULÉE CONTINUE À BASE DE CUIVRE ET D'ÉTAIN
Publication
Application
Priority
- DE 102021110302 A 20210422
- EP 2022060543 W 20220421
Abstract (en)
[origin: WO2022223686A1] The invention relates to a lead-free copper-tin continuous casting alloy, in particular for manufacturing machine parts or transmission parts, more particularly gears, worm gears, cylinder liners or linear guide parts, or for the manufacture of fitting parts for carrying fluids. The alloy contains 3.0 - 8.0 wt.% of tin, 1.5 - 6.0 wt.% of zinc, 0.1 - 1.8 wt.% of indium, 0.2 - 0.8 wt.% of sulfur, the sum of the wt.% proportion of tin and zinc amounting to 5.0 - 12.0 wt.%, and the sum of the wt.% proportion of indium and sulfur amounting to 0.5 - 2.0 wt.%, and furthermore optionally following alloying elements: up to 0.20 wt.% of iron, up to 2.5 wt.% of nickel, up to 0.30 wt.% of antimony, up to 0.50 wt. % of manganese, up to 0.3 wt.% of phosphorus, and elements caused by impurities amounting to not more than 0.10 wt.% each and in sum to not more than 0.5 wt.%, and the remainder copper.
IPC 8 full level
CPC (source: EP)
Citation (search report)
See references of WO 2022223686A1
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
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
DE 102021110302 A1 20221027; EP 4271847 A1 20231108; WO 2022223686 A1 20221027
DOCDB simple family (application)
DE 102021110302 A 20210422; EP 2022060543 W 20220421; EP 22724659 A 20220421