Top: 3σ (99.7%) confidence levels of the normalization and slope of the L_X–T relation as derived for the 105 clusters with Z_out ≤ 0.320 Z_⊙ (purple), the 104 clusters with 0.320 Z_⊙ <  Z_out ≤ 0.426 Z_⊙ (green) and the 104 clusters with Z_out >  0.420 Z_⊙ (cyan). Bottom: L_X–T relation for the 105 clusters with Z_out ≤ 0.320 Z_⊙ (red) and for the 104 clusters with Z_out >  0.420 Z_⊙ (black) with their best-fit models.