MIL-STD-867A, MILITARY STANDARD: TEMPER ETCH INSPECTION (23 MAR 1979)

MIL-STD-867A, MILITARY STANDARD: TEMPER ETCH INSPECTION (23 MAR 1979)., This standard establishes requirements and tests for performing temper etch inspection of carburized steels and took and low alloy steels which are heat treated above 1.24 x 10^9 Pascal (PA) [1.26 x 10^2 kilogram-force/square millimeter (Kgf/mm^2) 1.8 x 10^5 pound-force/square inch (psi)]