With a competent welder it's basically never a question of whether or not the weld was good. It's a question of what's sufficient for the application. If you care enough you can make perfection happen but caring that much on everything is time consuming and unnecessary.
X-ray and other inspection processes are mostly there to force people to behave like they give a crap.
X-ray and other inspection processes are mostly there to force people to behave like they give a crap.