Here in Australia, honey is irradiated for making candy.  It can only be used for this purpose as our Fedreal Government has decreeded that no food for human consumption can be irradiated.
 
When pails, which normally hold 27 kgs, about 60 pounds, are sent for irradiation, they can only be half filled as the honey froths in the container.  Any equipemnt which goes for irradiation in Australia has to have honey extracted as Robert Bowman has previously posted.
 
So it might not boil but it certainly froths up to almost double it original volume.
 
Irradiation is a very good tool for sterilising equipment that has been AFB affected.  Incidentally, chalkbrood needs a greater dose rate to kill it than does AFB.
 
Trevor Weatherhead
AUSTRALIA