Going to depend upon the fit up and drawings.  Could be partial fillet and partial bevel groove.  Could be all bevel groove.  Then, depends upon how the axis of both pipes is set during the welding.  Horizontal, vertical, and maybe some overhead.  Could even have a little flat.

Hard to make any kind of dogmatic statement with no picture or more details.

He Is In Control, Have a Great Day,  Brent