what is steel type weak to

Steel-type Pokemon are weak to Fire, Ground, and Fighting-type moves). When facing a Steel-type Pokemon, it is recommended to bring along a team that includes Pokemon belonging to these categories. Dual-type Pokemon that belong to two of these groups are even better. For example, Groudon is a Fire and Ground-type Pokemon. In addition to their weaknesses, Steel-type Pokemon are also resistant to certain other types and moves. Steel-type Pokemon are resistant to Normal, Flying, Rock, Bug, Grass, Psychic, Ice, Dragon, and Fairy types. Pure Steel-types are also immune to Poison attacks.