The ornamental design for electrodes for resistance welding, as shown and described.
FIG. 1 is a top plan view of a first embodiment of electrodes for resistance welding;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a bottom plan view thereof; and,
FIG. 4 is a right side elevation view thereof thereof.
The broken lines immediately adjacent to the claimed portions represent the bounds of the claimed design, while all other broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design.