scope:

1.1 This specification covers aluminum and aluminum-alloy extruded bar, rod, wire, profile, and tube in the aluminum alloys (Note 1) and tempers shown in Table 2.

Note 1-Throughout this specification the use of the term alloy in the general sense includes aluminum as well as aluminum alloy. Note 2-For rolled or cold-finished bars and rods refer to Specification B211M, for drawn tube to Specification B210M, for structural pipe and tube to Specification B429M, and for seamless pipe and tube to Specification B241/B241M.

1.2 Alloy and temper designations are in accordance with ANSI H35.1M. The equivalent Unified Numbering System alloy designations are those of Table 1 preceded by A9, for example, A91100 for Aluminum 1100 in accordance with Practice E527.

1.3 For acceptance criteria for inclusion of new aluminum and aluminum alloys in this specification, see Annex A2.

1.4 This specification is the metric counterpart of Specification B221.