1.1 This specification covers seamless tubes of nickel and nickel alloys, as shown in Table 1, for use in condenser and heat-exchanger service.
1.2 This specification covers outside diameterand aver-age wall, or outside diameter and minimum wall tube.
1.2.1 The sizes covered by this specification are 3 in.(76.2 mm) and under in outside diameter with minimum wall thicknesses of 0.148 in. (3.76 mm) and under, and with average wall thicknesses of 0.165 in. (4.19 mm) and under.
