ΔE 44.0, loose: different enough that you should pick on purpose. Iron Hue is noticeably lighter, much more muted than Talos Bronze.
Can I use Iron Hue instead of Talos Bronze?
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 44). Iron Hue is noticeably lighter, much more muted than Talos Bronze.
Can I use Talos Bronze instead of Iron Hue?
The same difference applies the other way round: Talos Bronze is noticeably darker, much more saturated.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.