<http://webisa.webdatacommons.org/190984929>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<iqsdirectory.com> .
<http://webisa.webdatacommons.org/190984929>	<http://www.w3.org/ns/prov#value>	"Precipitation-hardened stainless steels are chromium-nickel grades that can be strengthened and hardened by adding such elements as copper and aluminum in an aging treatment at elevated temperatures." .
<http://webisa.webdatacommons.org/prov/449027793>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/190984929> .
<http://webisa.webdatacommons.org/190984929>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .