This specification covers alloy UNS N06333 in the form of welded tube intended for heat-resisting applications and general corrosive service. The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only. The following precautionary statement pertains only to the test methods portion, Section 13, of this specification: This standard does not purport to address all of the safety concerns, 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.