Austenitized 18Cr-8%Ni stainless steel was saturated with H and, after quenching, the H content was determined as a function of saturation time by using vacuum extraction techniques. The H diffusivity at 500C was estimated to be 1.65 x 10-7cm2/s.

J.I.Archakov: Izvestiya Vysshikh Uchebnykh Zavedenii Chernaya Metallurgiya, 1967, 10[3], 122-6