About: ductile iron

Premodifier: ductile
Head noun: iron

Same concepts
http://dbpedia.org/resource/Ductile_iron

Broader concepts

label	provenance	confidence
type of pipe	isap:167452662	0.677911
various material	isap:459556189	0.629739
cast iron	isap:168748499	0.550244
material	isap:459556070	0.470469

Narrower concepts

label	provenance	confidence
material	isap:378175708	0.199621