This specification covers a corrosion- and heat-resistant nickel alloy in the form of bars 3.00 inches (76.2 mm) and under in nominal diameter, thickness or for hexagons least distance between parallel sides, forgings, flash welded rings 3.00 inches (76.2 mm) and under in nominal radial thickness, and stock of any size for forging, flash welded rings, or heading (see 8.5).