Thanks Jstephen and Ed this helped me locate the SA-6 reference for in supplementary requirements where purchaser option stands for non- nuclear products.
ASME section 2 SA 36 section 7.2 states that product analysis shall be performed as per table 2 , subject to product analysis A-6 tolerance
7.2 The steel shall conform on product analysis to the requirements prescribed in Table 2, subject to the product analysis tolerances in Specification A...
