The required contour of welds may be obtained without recourse to mechanical means. However, if
such means are necessary to produce the required finish, the appropriate letter designation assigned
to the following methods of finishing must be added to the contour symbol. It must be understood that
these designations specify the method and not the degree of finish.
C – Chipping G – Grinding
M – Machining R – Rolling
H – Hammering
The following sketches will illustrate these provisions:
1