Welding Symbol

Weldment

When 2 or more pieces are joined by welding.

Weld Symbol Arrow Side

The side of the joint that the arrow touches.

Weld Symbol Other Side

The opposite side of the joint that the arrow touches.

Weld Symbol Arrow

Always touches the line that represents the welded joint.

Weld Symbol Tail

Used to give information on specifications, the welding process to be used and details not shown.

Weld Symbol Reference Line

Always drawn as a horizontal line, placed near the joint to be welded.

Weld Root Opening

The space between the pieces at the bottom of the joint.

Weld-All-Around Symbol

Indicates that the same type of weld is to be used all around the joint. Indicated as a circle around where the arrow line and reference line meet.

Field Weld

When a weld is to be made away from the shop. Indicated by a flag drawn where the arrow line and reference line meet.

Contour Weld Symbol

Profile of a fillet weld. Indicated above the fillet weld symbol.

Fillet Weld Symbols