Assertion: mild steel's percentage | /r/HasProperty | decreased to the eutectoid composition
Facets:
Source sentences:
text: In a hypereutectoid composition (greater than 0.8% carbon), the carbon will first precipitate out as large inclusions of cementite at the austenite grain boundaries until the percentage of carbon in the grains has decreased to the eutectoid composition (0.8% carbon), at which point the pearlite structure forms.