Mechanical Engineering

The National Technical Information Service serves as the largest central resource for government-funded scientific, technical, engineering, and business related information.

MatWeb provides data sheets on thermoplastic and thermoset polymers such as ABS, nylon, polycarbonate, polyester, polyethylene and polypropylene; metals such as aluminum, cobalt, copper, lead, magnesium, nickel, steel, superalloys, titanium and zinc alloys; ceramics; plus semiconductors, fibers, and other engineering materials.