A body structure for a rail vehicle that includes a frame with at least one support element made at least predominantly of steel alloy, at least one equipment element made predominantly of aluminum alloy, at least one first plate having at least one longitudinal edge and a first surface delimited by the longitudinal edge, and at least one longitudinal batten of steel alloy, which is integral with the support element, wherein the longitudinal batten is fixed flat to the first face by way of friction melt bonding.