This specification, in conjunction with the general requirements for peening media covered in AMS2431, establishes the requirements for the procurement of conditioned cast steel shot with a hardness of 45 to 52 HRC.
SAE AMS2431/1G-2022 history
2022SAE AMS2431/1G-2022 Peening Media (ASR) Cast Steel Shot, Regular Hardness (45 to 52 HRC)