https://saemobilus.sae.org/standards/ams4600b-aluminum-alloy-sheet-plate-63cu-030mn-006ti-010v-018zr-solution-heat-treated-cold-worked-8-naturally-aged-2219-t37
AMS4600B: Aluminum Alloy, Sheet and Plate, 6.3Cu - 0.30Mn - 0.06Ti - 0.10V - 0.18Zr, Solution Heat...