First published in part as AS B164-1965.AS B230 first published 1967.AS B237 first published 1967.AS B164-1965, AS B230-1967 and AS B237-1967 revised, amalgamated and redesignated AS 2177.1-1978.Second edition 1981.Third edition 1994.Revised and redesignated as AS 2177-2006.Reconfirmed 2016. Originated as AS B164-1965 Previous edition AS 2177.1-1994 Revised and redesignated as AS 2177-2006.