If you want to know the process by which a material is made, this is a useful tool.
The Kirk-Othmer Encyclopedia of Chemical Technology is a major reference resource for chemistry, chemical engineering, and related disciplines. It contains substantial articles on topics in these areas and has extensive bibliographies that accompany the articles.
(otherwise known as the Metals Handbook) – this set of over 20 volumes is THE reference work on metals. It is the first resource to consult when looking for data on metals and alloys.
This resource features extensive engineering and property data for materials of all types. It contains the fulltext of several ASM handbooks including the Metals Handbook and the Engineered Materials Handbook.
Also available in print. The 'Dictionary of Metals' is an authoritative reference work for terms and definitions of metals and terms relating to metals. It also includes a considerable amount of history starting with the seven metals of antiquity.