glossary

A crack with its major axis orientation approximately parallel to the weld axis

Steels containing small amounts of alloying elements (usually 1«% to 5% total alloy content) which drastically improves their properties.

A non-filler metal electrode used in arc welding and cutting, consisting of a carbon or graphite rod, which may be coated with copper or other materials.

Opening through the plate where material is removed during the any kind of cutting operation.

A technique of welding in which a concentrated heat source penetrates completely through a work-piece forming a hole at the leading edge of the molten weld metal. As the heat source progresses, the molten metal fills in behind the hole to form the weld bead.