AMS6512J Steel, Maraging, Bars, Forgings, Mechanical Tubing, Rings, and Forging Stock 18Ni - 7.8Co - 4.9Mo - 0.40Ti - 0.10Al Consumable Electrode Vacuum Melted, Annealed

AMS6512 is the result of a Five-Year Review and update of the specification. The revision prohibits unauthorized exceptions (3.5.5.1.5, 3.8, 4.4.3, 5.2.1.1, 8.7, 8.8), aligns the size and quenchant with similar specification (1.1, 1.2), updates composition requirements (3.1), updates heat treatment (3.4), addresses hollow forgings (3.5.1.1, 3.5.1.2, 8.8), revises micro-inclusion rating method (3.5.2), aligns aging time with similar specifications (3.5.5), adds strain rate control (3.5.5.1.4), updates reporting for bar (4.2.1.2), and allows prior revisions (8.3).