1.1 ,This specification covers aluminum and aluminum-alloy drawn tube and drawnpipe in straight lengths and tube in coils for general purpose applications and climate control (HVAC) in the alloys (Note 2) and tempers shown in Tables 1-3. Coiled tubes are generally available only as round tubes with a wall thickness not exceeding 0.083 in. [2.00 mm] and only in non-heat-treatable alloys.