For a heat analysis of the ITER ZrCo SDS beds. the thermal conductivity and specific heat of ZrCo powder (<760μm. 0.6285 porosity) in air were measured as 0.154W/m/K and 381J/kg/K at room temperature by using NanoFlash Diffusivity (LFA 447) and Differential Scanning Calorimetry (DSC 204 F1). By using a geometric mean model. the thermal conductivity of ZrCo powder and ZrCo powder in hydrogen were calculated to be 3.143W/m/K and 0.524W/m/K. From the specific heat (381J/kg/J) of the ZrCo powder in air. the values of the specific heat of the ZrCo powder. ZrCoH1.5 and ZrCoH1.5 in hydrogen at room temperature were calculated to be 380.1J/kg/K. 518.0J/kh/K. 518.0J/kg/K, respectively. For the ZrCo chunk (2.3mm thickness. 8mm diameter. 3.5% porosity). the thermal conductivity was measured as 14.8W/m/K and the specific heat was measured as 389J/kg/K.