Thundersteel is the sixth studio album by the American heavy metal band Riot, released after coming back from a period of inactivity in the mid-1980s. It features a totally different line-up from that of the previous work, with guitarist Mark Reale being the only remaining member. It was re-issued in 2003 by Collectables Records with slightly amended artwork and re-issued on 180g vinyl as a 2-LP set with The Privilege of Power by SPV on February 25, 2013. The album originally charted at No. 150 on Billboard 200