| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an aluminum alloy clad material exhibiting effective anticorrosive effect in a state of a thin-walled clad material, especially useful for an automobile heat exchanger.SOLUTION: There is provided an aluminum alloy clad material produced by arranging a sacrificial anode layer containing Sn:0.01 to 0.3% (mass%, the same shall apply hereafter) and the balance aluminum with inevitable impurities on one side or both sides of a center layer made of aluminum or an aluminum alloy, and arranging a pitting-corrosion suppression layer containing Si:0.6% or less, Fe:0.4% or less and Cu:0.5% or less and the balance aluminum with inevitable impurities as an outermost surface layer through the sacrificial anode layer.</p> |
