Assertion: annealing's temperature | /r/HasProperty | necessary
Facets:
value: to achieve a 50% elongation
type: PURPOSE
Source sentences:
text: A relatively low temperature anneal, 1 hr at 300 °C, will yield a small grain size (better for polishing), while a higher temperature, 500 °C, may be necessary to achieve a 50% elongation via cold working.