Assertion: blast furnace's carbon content | /r/HasProperty | reduced in oxygen-fired furnace
Facets:
value: from a typical 4%–5%
type: OTHER
Source sentences:
text: In the second stage of the steelmaking process, known as basic oxygen steelmaking (BOS), the carbon content of pig iron is reduced from a typical 4%–5% to 0.1%–1% in an oxygen-fired furnace.