I think he's asking you to find a supplier who deals in copper pipe, and call them directly asking what you're looking for. You'd be suprised what's not put online and into catalogs.
CEV,
How many pieces and to what specs? "DWV" tells me this is not precision work and if the quantity is low, sheet rolled and welded into a tube might work.
call a plumbing house, or find a commercial jobber
we just finished a job and you can buy pcs from
ask for alex at steam equipment co. in los angeles,
prices pcs for 50 Dlls/ft +5 Dlls addl. inch
for std L copper pipe 6in OD