Nobody has built with aermet for years from what I gather. This stuff is super strong and hard. It can not be drawn for that reason. You can only make seamed straight gauge tubing. A .5 straight gauge tube is slightly heavier than a .7/.4/.7 butted tube. In other words, this material will not yield the lightest road frame possible. Weights are comparable to the lightest straight gauge ti frames: 1350 to 1450g for an aermet frame is reasonable.
It is still a very interesting frame material. It could make very nice trials frames for instance. Would any weight weenies be interested in an aermet 310 frame? If there is a demand for this stuff, I could get a custom order from Cartech.
The aermet frames from the past were the aermet 100 alloy. Aermet 310 is 15% stronger and harder!
All well and good, but with this tubing, don't you give up some of the great steel ride? Seems like if it's that stiff, you might as well go Al.
A little compliance in a frame is not a bad thing.