Disintegrate generally works well. Works with most of your metamagic feats.
Target specific weaknesses of various golems to take them down. Just go look them up, it's not that hard.
Use SR: No spells like Glitterdust (will save, but NOT mind-affecting!) to render them no longer a threat.
Shatter is a surprisingly fun spell to use against lesser constructs whom are crystalline in structure.
Spells like Sleet Storm are also hilariously good to shut down constructs, which have notoriously bad Reflex saves and Dex numbers in general.
Shout and Greater Shout are also scary good against constructs which are made of fragile or crystalline materials.