Greetings, I just recently began using Martin Bluegrass strings on my Dobro. They are nickle wound and packaged as "resonator guitar strings" so I am not sure how they will sit on a guitar.
I use 13's on my guitars, Martin SP phosphor bronze. The only difference between the two, SP & Bluegrass, aside from nickel vs bronze, is the size of the strings. The sizes are as follows so you can compare:
SP / Bluegrass
E-1st .013 / .016
B-2nd .017 / .018
G-3rd .026 / .026
D-4th .036 / .036
A-5th .045 / .046
E-6th .056 / .056
You can see the difference in string gauge so now you just need to ask yourself if too much tension is going to be placed on the neck and bridge of your guitar if strung with Bluegrass. It will raise the action which will require a truss rod adjustment which might be radical if you are using light strings like 10's or 11's.
They sound fantastic on my Dobro, however, in my own humble opinion I would NOT use them on a guitar.
Just my 2 cents. I hope this is of some value to you.
John