AMS5581G Nickel Alloy, Corrosion- and Heat-Resistant, Seamless or Welded Tubing 62Ni - 21.5Cr - 9.0Mo - 3.7Cb (Nb) Annealed

AMS5581G is the result of a Five-Year Review and update of the specification. The revision prohibits unauthorized exceptions (3.7, 4.4.1, 5.2.1, 8.4), updates reporting requirements for composition (3.1.3), revises Condition (3.2) and Fabrication (3.3), updates the requirements for tensile testing including setting a minimum size (3.4.1), updates the Hydrostatic Test to standard method (3.4.3), updates grain size requirement (3.4.5) adds quality and non-destructive test provisions (3.5, 4.2.1, 4.4), requires melter identification (4.4), and allows prior revisions (8.3).