1.1 This specification covers alloys UNS N08330 and UNS N08332 in the form of welded tube intended for heat resisting applications and general corrosive service. This specification covers the standard for welded tube UNS N08330 and UNS N08332 alloys intended for use in heat resisting applications and general corrosive service. The tubes shall be manufactured from flat-rolled alloy by an automatic welding proces