| 摘要 |
In one embodiment, a brazing sheet comprises: a core layer, a braze liner on the first side of the core layer; and a waterside liner on the second side of the core layer. The core layer is comprised of a 3xxx series aluminum alloy. The waterside liner is an aluminum alloy comprising: 7-20wt% Zn; up to 0.25wt% Si; up to 0.1wt% Cu; up to 0.25wt% Mn; up to 0.1wt% Mg; and up to 0.1wt% Cr. In some embodiments, the brazing sheet has a thickness of 60-180 microns. In some embodiments, the waterside liner comprises 1-15% of the thickness of the brazing sheet. |
