摘要 |
<p>Heat exchanger tube for an LNG vaporiser enabling the LNG to flow and to vaporise therein by heat exchange with seawater flowing outside thereof, characterised in that the surface of the heat exchanger tube is covered with an aluminium alloy containing from 1.5 to 85.0 % by weight of Zn and optionally one or more of the following additional metals, in the quantities shown: In: from 0.010 to 0.200 % by weight, Sn: from 0.010 to 0.200 % by weight, Hg: from 0.002 to 0.020 % by weight, Ga: from 0.100 to 0.500 % by weight, Cd: from 0.100 to 5.000 % by weight.</p> |