本规范涵盖了固溶热处理状态下的棒材、锻件、闪光焊环形式的耐腐蚀耐热镍合金。本规范涵盖的产品的标称直径或平行侧面之间的最大横截面尺寸（厚度）限制在10.00英寸（254 mm）以下，标称横截面面积为78.54 in2（503 cm2）。锻造、环或头部的坯料可以是任何尺寸。

This specification covers a corrosion- and heat-resistant nickel alloy in the form of bars, forgings, flash welded rings in the solution heat treated condition. Product covered by this specification is limited to 10.00 inches (254 mm) and under in nominal diameter or maximum cross-sectional dimension between parallel sides (thickness) and nominal cross sectional area of 78.54 in2(503 cm2) in cross-sectional area. Stock for forging, ring, or heading may be of any size.