
The hardest STEEL does not make a mark.
Game of Thrones Season 2, Episode 5

I saw them shatter STEEL axes
like they were glass.
Game of Thrones Season 5, Episode 10

...the arakh won't get through the STEEL.
Game of Thrones Season 1, Episode 3

Cold-rolled STEEL.
Game of Thrones Season 4, Episode 7

Men kill with STEEL.
Game of Thrones Season 4, Episode 8