We can't make STEEL as good as yours,
it's true, but...
Game of Thrones Season 2, Episode 7
Cold-rolled STEEL.
Game of Thrones Season 4, Episode 7
This is Valyrian STEEL.
Game of Thrones Season 1, Episode 9
Where did you learn all this stuff about
Visenya and her Valyrian STEEL sword?
Game of Thrones Season 2, Episode 7
No one's made a Valyrian STEEL sword
since the Doom of Valyria.
Game of Thrones Season 4, Episode 1