HEAT TRANSFER TUBE AND METHOD FOR PRODUCING SAME

摘要

A heat transfer tube is provided. The heat transfer tube includes: a tube body made of an extruded material of an aluminum alloy having a composition including: 0.3 mass% or more and less than 0.8 mass% of Mn; more than 0.1 mass% and less than 0.32 mass% of Si; 0.3 mass% or less of Fe; 0.06 mass% or more and 0.3 mass% or less of Ti; and Al balance including inevitable impurities, a ratio of a Mn content to a Si content, Mn%/Si%, exceeding 2.5; and a Zn-containing layer provided to an outer surface of the tube body.