If it is about stock removal and shaping for painting or powder coating then the finish achieved by the unitised discs means that all you will need to worry about is control and shaping.
The Cibo TA10 unitised discs will do the job well. If it is a wider weld. Use a 6mm wide disc. If the weld build looks more like a tig weld then we recommend using a 3mm wide disc to create a tighter radius in the corner.