About: http://webisa.webdatacommons.org/417006846

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I do know that mild steel melts at a much higher temperature than does cast iron, but for some reason cast iron works well for castings that get extremely hot and cold such as firepots, stoves, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	blksmth.com