General Data		Azom.com Application-oriented technical data and news on metals, ceramics, polymers & composites. ASTM Standards and testing (most detailed information requires payment). The Engineering Tool Box Data and links for a wide range of materials and properties. Engineers Edge Many engineering resources, including materials properties. MatWeb "The Online Materials Information Resource;" a free database of 26,500+ metals, plastics, ceramics and composites. Materials Science and Engineering Links from the MIT libraries to many materials science resources. Electrical and Acoustic Properties Resources for non-destructive testing (NDT). NIST: Materials Properties National Institute of Standards and Technology provides a lot of data, much of it online and free. Thermal Connection The extensive data and links in the "thermal data" section provides emphasizes thermal parameters. Data and Property Calculation Sites Huge collection of links to thermodynamic & mechanical data and property calculation sites.
Metals & Alloys		About: Metals Resources for metal properties data. Composition and properties of alloys This site "presents the composition and physical properties of many common alloys;" historical names are often included. Silver solders Composition, properties and discussion of silver solders. Precious metal properties Engelhard-Clal: detailed properties of ruthenium, rhodium, palladium, silver, osmium, iridium, platinum and gold. Fusible (Low Temp) Alloys Bismuth alloys: properties, applications and growth/shrinkage when cast. Indium Corp. of America Indium properties, incl. solders and compounds. Principal Metals Information on about 5000 metals and alloys. Shape Memory Alloys A paper reviewing shape memory alloys. Nitinol Composition and properties of several Ni-Ti alloys.
Specialty Wire Alloys		California Fine Wire Resistance, spring, thermocouple and glass-sealing wire; and metals and alloys based on copper, precious metals, nickel and refractory metals. Carpenter Technology Data on steel, magnetic, resistance, heating, thermocouple & glass-sealing alloys data. Engelhard-Clal EMF vs. temperature for several thermocouple types. MWS Wire Industries Data on magnet, Litz, specialty, precious-metal, resistance and mechanical wire. Pelican Wire Co. Data and design for heating, resistance and thermocouple wire; a downloadable Windows application covers Harrison Alloys. WireTronic, Inc. Heating, resistance, precious, magnet, Litz and other wire data, with a downloadable Windows application to calculate wire properties. Wire World A large, categorized list of wire suppliers.
Plastics		About: Composites/Plastics Resources for material properties data on composites, plastics and other materials. Industrial plastics Plastics properties from Aetna Plastics Corporation: engineering, high-performance, fluoropolymer, corrosion-resistant, etc. Material Selection Guide Datasheets on hundreds of plastics by tradename and type (Boedeker Plastics). Properties of resins Chemical structure and properties of plastics in the context of use in labware (Nalge Nunc Intl.). Chemical resistance of plastics Chemical resistance of plastics to chemicals and classes of chemicals (Nalge Nunc Intl.). Plastic properties Properties for a few plastics and useful links in the Reference Center (Niagara Plastics). plasticsusa.com Mechanical, chemical and physical properties of some major polymers. Mechanical Properties A tutorial on mechanical properties of polymers. Upchurch Scientific Mechanical properties and chemical compatibility of some plastics relevant to fluid transfer. Wheaton Science Products Gas permeability, chemical resistance, biological properties and sterilization of plastics.
Glass & Ceramics		Ceramic Properties Databases List of ceramic property databases - free, fee-based and hardcopy (The American Ceramic Society). Carpenter Technology Advanced ceramic properties (alumina, zirconia) . CoorsTek Properties of Coors' alumina-, zirconia- and carbide-based ceramics. Glass, quartz, ceramics Mechanical, thermal and electrical properties of some ceramics and glasses. NIST glass and ceramic data Property data summaries for advanced materials. Glass property calculation Online applets to estimate glass properties and design glass composition. Schott Glass Schott optical glasses: detailed properties (.pdf format).
Miscellaneous		Stratamet Properties of some braze alloys, selected metals and advanced ceramics. Common woods Density, modulus of rupture and modulus of elasticity for dozens of common woods. Building materials - thermal. "Heat Transmission Properties of Insulating and Building Materials" (NIST). Cryogenic properties Material properties from the NIST Cryogenic Technologies Group.