Assertion: alloy | /r/HasProperty | categorized
Facets:
value: usually
type: DEGREE
Source sentences:
text: They may also be categorized and described on the basis of compositional groups.
text: Many alloys also contain titanium as a minor additive, but since alloys are usually categorized according to which element forms the majority of the material, these are not usually considered to be "titanium alloys" as such.