2" copper ID 2.045?

[jody]

I ordered some 2" ferrules, and they seem to be fine, they have an OD of 2.000.

Unfortunately, the copper I have has an OD of 2.122, and an ID of 2.045?? I was hoping to use the freeze/heat method of attaching them together, but I guess I'm outa luck on that one.

Is this normal? Everything I've read so far said that 2" copper usually has an ID of 2 or a bit bigger.

I'm going to put an add out on kijiji to weld? these together. Anything I should mention to make sure I get the point across? Just something like "copper to stainless" I'm guessing?

Thanks,
Jody.