Covers fittings for use with copper tubes to AS 1432 in the size range 10 to 225, and primarily for cold and hot water supply. Fittings up to and including size 50 are designed for use with soft soldered or silver brazed joints; fittings over size 50 are for use only with silver brazed joints. Threads are specified by reference to AS 1722, Part 2 but an appendix provides for the continued use of threads to AS B154.