Assertion: containing alloy | /r/ObjectUse | used for casting
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Magnesium alloys are used for both cast and forged components, with the aluminium-containing alloys usually used for casting and the zirconium-containing ones for forgings; the zirconium-based alloys can be used at higher temperatures and are popular in aerospace.