Steel type does not exist in leaf green.
Manaphy is a legendary water type of Pokemon. It is not possible to get this Pokemon in the game Pokemon LeafGreen.
Gligar is a flying and ground type of Pokemon. The only way to get this Pokemon in LeafGreen version is to trade for it.
Steel type Pokemon are weak against Fire, Fighting, and Ground type attacks
Steelix is a good Steel type Pokemon. It is also a Ground type, too.
I think the best steel type Pokemon is probably dialga.
Dark, Steel
Manaphy is a legendary water type of Pokemon. It is not possible to get this Pokemon in the game Pokemon LeafGreen.
Your have to hit the Pokemon statue switches
Klink is a Steel type pokemon.
Gligar is a flying and ground type of Pokemon. The only way to get this Pokemon in LeafGreen version is to trade for it.
Steel type Pokemon are weak against Fire, Fighting, and Ground type attacks
Steelix is a good Steel type Pokemon. It is also a Ground type, too.
I think the best steel type Pokemon is probably dialga.
Any ghost type Pokemon can learn it.
Steel type Pokemon are weak to Fire, Ground, and Fighting, so those types of Pokemon will do well.
Klang is a Steel type pokemon.
Registeel is a Steel type pokemon.