The complete requirements for procuring the product shall consist of this document and the latest issue of the basic specification, AMS 2431. Cast steel shot, regular hardness, confirming to this specification is intended for use in peening metal surfaces to impart compressive stresses to these surfaces thereby increasing resistanct to fatigue and stress-corrosion cracking. Generally, regular hardness cast steel shot is used on parts of hardness under 50 HRC.
SAE AMS2431/1D-2007 history
2007SAE AMS2431/1D-2007 Peening Media (ASR) Cast Steel Shot, Regular Hardness (45 to 52 HRC)