Historical
ANSI/ASME B16.9-2007
Factory-Made Wrought Steel Buttwelding Fittings
This Standard covers overall dimensions, tolerances, ratings, testing, and markings for wrought factory-made buttwelding fittings in sizes NPS 1/2 through 48 (DN 15 through 1200).
Content Provider
American Society of Mechanical Engineers [asme]