http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Key to metals database covers metal alloys properties from 57 countries/standards and includes more than 4,000,000 property records for over 150,000 alloys - steel, iron, aluminum, titanium, copper, magnesium, tin, zinc, lead, nickel, cobalt, and more. It also includes chemical composition, standard reference, physical properties, mechanical properties, heat treatment details and diagrams, properties on elevated and low temperatures, weldability properties, application guidelines, and the most comprehensive tables of equivalent materials worldwide. Interface in multiple languages.
"The world's most comprehensive metals database."
Key to Metals AG, Doldertal 32, 8032, Zürich, Switzerland