Stress relief

From GAWDAwiki

Stress relief is a post-weld heat treatment designed to relieve residual stresses and restore mechanical properties, particularly toughness and ductility, in a welded structure. It normally involves holding at a specified elevated temperature for a set time, followed by slow cooling.^[1]

References

1. http://www.bocindustrial.co.uk/bocindustrial/technical/glossary/a.asp