Assertion: alloy's element | /r/HasProperty | additional
Facets:
value: to the carbon
type: OTHER
value: deliberately
type: MANNER
Source sentences:
text: Some iron–nickel alloys are called nickel steel and usually contain additional elements, depending on the purpose.
text: However, the term "alloy steel" is the standard term referring to steels with other alloying elements added deliberately in addition to the carbon.