Adamantine Weapon

Transmutation [Weapon Infusion]

Level:Artificer 4
Components: V, M (flakes of adamantine)
Casting Time:1 round
Range:Touch
Target:Weapon touched
Duration:1 minute/level
Saving Throw:Will negates (harmless, object)
Spell Resistance:Yes (harmless, object)

The target weapon is treated as being adamantine for the purposes of overcoming damage reduction and object hardness.