• Electrochemical permeation test on Ni-base melting-rolling and Inconel alloys. • Mitigation of the hydrogen diffusion coefficient due to the precipitate was found on meting rolling alloys. • The effect of chromium content on the hydrogen effective diffusion coefficient was study. • The interplanar distance does not affect the hydrogen steady state flux and effective diffusion coefficient. Nickel-based superalloys have been widely used in applications that require mechanical and corrosion resistance at high temperatures. Generally, the main problem in some applications such as pressurized water reactors is the hydrogen embrittlement (HE). The HE phenomenon has been extensively studied in several superalloys and other materials. Efforts have focused on improving the performance of Ni based alloys against the main mechanisms associated with HE, developing new strategies such as intergranular precipitation to counteract HE. In the present work the aim was to study the hydrogen diffusion (HD) in Ni-based experimental alloys manufactured by melting and hot rolling processes. Two Inconel commercial and three experimental Ni-based alloys were studied, considering the Cr content (%wt) as the main variable element. The alloys were characterized by optical microscopy (OM), scanning electron microscopy (SEM), Vickers microhardness test and X-ray diffraction (XRD). On the other hand, the effective diffusion coefficient (D eff ) and steady state flux (J ss ) were determined under the ASTM G-148 standard conditions. A slight hydrogen mitigation effect was found due to the Cr content and microstructure. The aforementioned results agree with the literature and a recent proposal for mitigating HD as a function of the irreversible traps density.