standardne kiilukujuline, valupeaga proovikeha teraste ja teiste suure valukahanemisega sulamite valuomaduste (sh kahanemistühikute tekkimise kalduvuse) uurimiseks (vrd vastavushindamisproovikeha)
a standard test casting, for steel and other high-shrinkage alloys, consisting of rectangular bar that resembles the keel of a boat, attached to the bottom of a large riser, or shrinkhead (compare: arbitration bar)
Hea teada
Test specimens are machined from the rectangular bar, and the riser (shrinkhead) is discarded.
