Hi GRoberts,
I was looking in ESAB's cat. and ran across a FCAW wire (Dual Shield II 70T-12, AWS Class E71T-1/E71T-12MJ w/ 75Ar/25CO2 mix). They are claiming "As Welded #'s" of 101Ft-lbs @ 0F, 90Ft-lbs @ -40F, and 53Ft-lbs @ -60F. Never used this wire so I can't vouch for it.
Just thought the numbers exceeded what you were looking at.
John Wright