This specification covers a corrosion- and heat-resistant nickel alloy in the form of bars, forgings, flash welded rings up to 4.00 inches (101.6 mm), inclusive, in nominal diameter or least distance between parallel sides (thickness) having a maximum cross-sectional area of less than 12.6 square inches (81 cm²) in the solutioned, stabilized. and precipitation heat-treated condition. Stock for forging or flash welded rings may be of any size and condition as ordered.