it is, but you dont have a grind a bevel to get basic penetration, and if you dont need it perfectly flat and weld clean you dont need to grind down the weld to

it is, but you dont have a grind a bevel to get basic penetration, and if you dont need it perfectly flat and weld clean you dont need to grind down the weld to get rid of all the slag. obviously its all dependent on what you're trying to accomplish