德国钢铁指南KeytoSteel

自1951年起，全球钢铁领域从业者熟知的《Key to Steel - Stahlschlüssel》出版商推出了全球独一无二的钢铁交叉参考手册。该手册以三种形式提供：实体书籍、CD-ROM（含材料数据库及Windows系统专用搜索程序）和在线版本（基于浏览器的在线材料数据库）。这些版本专用于解码全球钢铁材料规格，并快速查找等效钢材，是钢铁贸易、工程设计与材料研究的必备工具。

Since 1951 the publisher of the worldwide unique cross reference manual Key to Steel - Stahlschlüssel, well-known to everyone dealing with steel.

Available as book, CD-ROM (material database including search program for Windows) or as online version (web browser based online material database) ready to decipher / decode the steel materials of the world and find equivalent steels.