http://www.matweb.com/A free online materials information resource with properties data on over 28,000 materials. Search for materials by name or properties. Database includes comprehensive coverage of thermoplastic and thermoset polymers, aluminum, cobalt, copper, lead, magnesium, nickel, steel, superalloys, titanium and zinc alloys, ceramics, plus a growing list of semiconductors, fibers, and other engineering materials. Advanced features for registered and premium users.Materials
Offers an extensive line of advanced materials including aerogels, electrochemical materials, super conductive products, single crystal substrates and parts, engineered ceramics, alumina, tungsten, and sputtering targets.
Temperature dependent material properties as tabulated data, an Excel equation, a C/C++, FORTRAN or BASIC function or subroutine, ABAQUS or ANSYS formats. Full version contains elastic modulus, thermal expansion and thermal conductivity. Data for elements provided free in demo version.