This specification covers the general requirements for aluminum and aluminum alloy tube; drawn, seamless (see 6.1.1). Specific requirements for these products in a particular alloy are covered by the applicable detail specification (see 6.3).
This specification covers established inch/pound manufacturing tolerances applicable to aluminum alloy rolled or cold-finished bar, rod, wire, and forging stock ordered to inch/pound dimensions. These tolerances apply to all conditions, unless otherwise noted. The term "excl" applies only to the higher figure of the specified range. The general temper designation "-TX51" is used for brevity and denotes the full temper designations -T351, -T451, -T651, -T851, and -T7351, the "X" representing one or more digits preceding the "51".