AMS6516B Steel, Bars and Forgings 1Cr – 10Ni – 7Co – 2Mo – 1.3W – 0.1V – (0.28 – 0.32C) Vacuum Induction Melted, Vacuum Arc Remelted, Normalized and Annealed Precipitation Hardenable

AMS6516B results from a Five-Year Review and update of this specification that removes restriction of using only wet chemical methods (3.1), revises heat treatment (3.4), removes size restriction on macrostructure (3.5.1), revises microstructure to Method D (3.5.2) , adds strain rate control on tensile testing (3.5.3.1.1), revises quality (3.6.2), reporting (4.4) and identification (5.2).