Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Untreated steel-en#Sense
Ungehaerteter Stahl-de#Sense
Uhærdet stål-da#Sense
Soft steel-en#Sense
Niet-gehard staal-nl#Sense
Acier non-trempé-fr#Sense