This specification covers one type of aluminum silicon bronze in the form of rods and bars up to 3.00 inches (76.2 mm), inclusive, in nominal diameter or distance between parallel sides, and forgings and forging stock of any size (see 8.5).
SAE AMS4633C-2023 history
2023SAE AMS4633C-2023 Bronze, Aluminum Silicon, Rods, Bars, and Forgings 90Cu - 7.0Al - 1.8Si Drawn and Stress Relieved (HR50)