Stahlschlüssel (Key to Steel)
"The new 21st edition of the Key to Steel includes more than 60,000 standard designations and trade names from approximately 300 steelmakers and suppliers. Presentation is trilingual: English, French, and German. Materials covered include structural steels, tool steels, valve steels, high temperature steels and alloys, stainless and heat-resisting steels, and more. Standards and designations from 22 countries are cross-referenced. Published: 2007 Pages: Approx 720"