This publication presents papers given at the International Conference on Conservation of Metals, Metal 04, held in Canberra, Australia at the National Museum of Australia, 4-8 October 2004. Organised by the National Museum of Australia, the conference brought together metals conservators from over 20 countries. The 40 papers presented in these preprints illustrate the development of the conservation and restoration of metals from a variety of perspectives and regions and of 92 authors.