HC is typically more expensive but excludes the most unwanted critters from entering your enclosure. So if your budget allows, its the safer bet.
I was not concerned enough for the added expense despite the regular presence of serious predators. The welded wire will stop the vast majority of...
I used welded wire for my juveniles flight pen (run). It does fine deterring all the predators we have around in va (bears, coyotes, bobcats, etc) so long as they aren't determined. Havent lost a bird yet.
The welds at each wire crossing can definitely be broken. My garden is also fenced...