Steel does ×1 to Bug

Generations VI to IX, single types. The other way round, Bug against Steel, is ×½.

65 Steel and 92 Bug species among the 1025 this site covers.

Attacker, Grass and Steel Kartana sprite

Kartana #0798

damage×1Generations VI to IX

Defender, Bug and Fighting Buzzwole sprite

Steel did not exist in Generation I, so Steel against Bug has no value there.

Strongest Steel attackers

Kartana leads Steel at Atk 181

Sturdiest Bug defenders

Dual types that change the answer