The type of materials fall into two main categories: homogeneous and heterogeneous, and for all practical purposes most materials used in Manufacturing are heterogeneous - such as alloys, polymers and mixtures.
A number of regulations focus on these facts. One of the oldest is the Material Safety Data Sheet (MSDS), listing the chemicals ingredients of the substances. The full list of regulations, the flow of information, the update frequency makes material management challenging.
This is a “Material Property Data” web, with some capacity to export to a number of formats including CSV/Excel, Autodesk, SolidWorks and others.