About: http://webisa.webdatacommons.org/194126374

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	Hard metal refers to what is obtained by sintering a carbide, nitride, boride, or silicide of a metal of Groups IV, V, or VI in the Periodic Table of Elements by the use of a binder of such a metal as Co, Ni, or Fe or an alloy thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com