Publication number: 20100291400
Abstract: An aluminium alloy brazing sheet comprising: a core material made of an aluminium alloy consisting of ?0.1 wt % Si, most preferably ?0.06 wt % Si, ?0.35 wt % Mg, from 1.0 to 2.0 wt %, preferably 1.4 to 1.8 wt % Mn, from 0.2 to 1.0, preferably 0.6 to 1.0 wt % Cu, ?0.7 wt % Fe, ?0.3 wt % each of Zr, Ti, Ni, Hf, V, Cr, In, Sn and ?0.5 wt % total of Zr, Ti, Ni, Hf, V, Cr, In, Sn, the remainder being Al and unavoidable impurities; and a waterside cladding material clad on at least one side of the core material, said cladding material being made of an aluminium alloy having a potential lower than that of said core material and consisting essentially of 0.5-1.5 wt % of Si, 1.0 to 2.0 wt % preferably 1.4-1.8 wt % of Mn, ?0.15 wt % Mg, ?0.1% Cu, ?0.7 wt % Fe, ?1.4 wt %, preferably ?1.1 wt %, most preferably ?0.4 wt % Zn, ?0.3 wt % each of Zr, Ti, Ni, Hf, V, Cr, In, Sn and ?0.
Type:
Application
Filed:
May 14, 2010
Publication date:
November 18, 2010
Applicant:
SAPA HEAT TRANSFER AB
Inventors:
Linda AHL, Stefan Norgren, Anders Oskarsson