Alloys is a mod where you combine metals to create something known as 'alloys' to increase strength, hardness, corrosion and rust resistance, lower cost, and get various colours. More add-ons will be released to add more uses for everything seen here. See further for more details on the mod.
Select version for changelog:
Changelog
Added block versions for the alloys and metals to add more stuff to do with the add-on.