(1)
Stainless steel tube shall conform to
(a)
ASME B16.9, “Factory-Made Wrought Buttwelding Fittings,” and
(b)
ASTM A269, “Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service.”
(2)
Only grade 304/304L or 316/316L stainless steel tubes shall be used.