ASTM B720-93

1.1 This specification covers seamless cold-worked tubes of UNS Alloy N08310 for use in condenser and heat-exchanger service.

1.2 This specification covers outside-diameter and nominal-wall or outside-diameter and minimum-wall tube.

1.2.1 The sizes covered by this specification are 3 in. (75 mm) and under in outside diameter with minimum wall thickness of 0.250 in. (6.4 mm) and under, and with nominal wall thickness of 0.278 in. (7 mm) and under.

1.3 Tube shall be furnished in the annealed condition.

1.4 The values stated in inch-pound units are to be regarded as the standard. The values stated in parentheses are for information only.

1.5 The following safety hazards caveat pertains only to the test method portion, Section 11, of this specification. This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.