[专利]
Aluminum alloy fin material for heat exchanger, process for producing the same, and heat exchanger including the fin material
申请号:
2015DE-10226709
申请日:
2015-12-23
公开号:
DE102015226709 A1 2016-06-30 [DE102015226709]
公开日:
2016-06-30
申请人:
DENSO;MITSUBISHI ALUMINIUM
专利权人:
DENSO;MITSUBISHI ALUMINIUM
发明人:
NAKANISHI SHIGEKI;IWAO SHOHEI;EDO MASAKAZU;TERAMOTO HAYAKI;HASEGAWA MANABU;YAMAMOTO MICHIYASU;TESHIMA SHOEI
国家:
IPC:
B23K-035/28;C22C-021/00;C22C-021/02
(DE102015226709) An aluminum alloy fin material for a heat exchanger in the present invention comprises an aluminum alloy having a composition containing Mn: 1.2 to 2.0%, Cu: 0.05 to 0.20%, Si: 0.5 to 1.30%, Fe: 0.05 to 0.5%, and Zn: 1.0 to 3.0% by mass and a remainder comprising Al and an unavoidable impurity, further containing one or two or more of Ti: 0.01 to 0.20%, Cr: 0.01 to 0.20% and Mg: 0.01 to 0.20% by mass as desired, and, after heating in brazing, has a tensile strength of 140 MPa or more, a proof stress of 50 MPa or more, an electrical conductivity of 42% IACS or more, an average grain diameter of 150 μm or more and less than 700 μm, and a potential of −800 mV or more and −720 mV or less. (From US2016187079 A1)