Patent ID: 6638376
Filing Date: 2003-10-28
Classification: C22C,C22F

Abstract:
An aluminum alloy piping material having an excellent corrosion resistance and workability, said aluminum alloy piping material comprising an aluminum alloy consisting of, in mass %, 0.3-1.5% of Mn, 0.20% or less of Cu, 0.06-0.30% of Ti, 0.01-0.20% of Fe and 0.010-0.20% of Si, with the balance being Al and impurities, wherein among Si compounds, Fe compounds and Mn compounds present in the alloy's matrix, the number of compounds with an equivalent circle particle diameter of 0.5 &mgr;m or more is from 1Ã—103-2Ã—104 per mm2.