Lincoln Electric C2.410 manual Multipass

Drag the electrode lightly. Since low hydrogen electrodes rely on the molten slag for shielding, never hold a long arc, whip, leave the crater, or move rapidly in any direction. Failure to follow these techniques may result in porosity and/or reduce mechani- cal properties.

For Clean Tie-Ins – Strike the arc ahead of the crater, move quickly back into the crater, then proceed in the direction of welding. This technique welds over the striking area, eliminating porosity or tendency for poor starting bead shape.

Multiple Pass Welds – Clean the slag after each bead. When welding in the downhand position, use stringer beads or small weaves rather than wide weaves to avoid slag inclusions.

Vertical Techniques

Use 5/32” or smaller electrodes and currents in the lower portion of the electrode’s range. Techniques are as follows:

1.Use a triangular weave for heavy single pass welds. Heavy Single Pass

Triangular weave

Multipass

Stringer bead

Straight weave

-25-