You can open the BlueScope LYSAGHT.adsklib file in the Manage – Materials dialog in Revit. This allows you to apply all of the nice, proper material properties to your Revit Material.
There is a step by step guide on how to use this at the following link:
Lysaght Designer Website – Powered by SteelSelect� – COLORBOND� steel Texture Library for Revit – LYSAGHT� Content