Specifies requirements for grades of copper supplied as refined shapes in the form of billets, cakes (vertically or continuously cast) and cathodes. Appendices provide information on related designations and the relationship between resistivity and conductivity.

This Standard specifies requirements for grades of copper supplied as refinery shapes in the following forms:(a) Billets.(b) Cakes (vertically or continuously cast).(c) Cathodes.NOTES:1 This Standard also covers copper with special qualities, e.g. with specific oxygen limits.2 Advice and recommendations on information to be supplied by the purchaser at the time of inquiry or order are contained in Appendix A.

First published in Australia as AS H18-1944.Revised and redesignated in part as AS H55-1951, AS H56-1951 and AS H57-1951.Second edition AS H55-1961.Second edition AS H56-1961.Second edition AS H57-1961.AS H55-1961, AS H56-1961 and AS H57-1961 revised, amalgamated and redesignated AS 1279-1974.Second edition 1980.Third edition 1985.Jointly revised and designated AS/NZS 1279:1996. First published in Australia as AS H18-1944. Revised and redesignated in part as AS H55-1951, AS H56-1951 and AS H57-1951. Second edition AS H55-1961. Second edition AS H56-1961. Second edition AS H57-1961. AS H55-1961, AS H56-1961 and AS H57-1961 revised, amalgamated and redesignated AS 1279-1974. Second edition 1980. Third edition 1985. Jointly revised and designated AS/NZS 1279:1996.