• The gear industry home page.
• A steel gauge table (Check out the Tech Menu).
• Fastener Information.
• An online torque calculator.
• An online conversion of just about anything.
• Another general link, no registration required.
• A handy one-stop web site with information for engineers, includes a great section on materials.
• Working pressure ranges for vacuum gauges, includes handy conversion calculators.
• Online hardness conversion for all scales.

Physical and Chemical Data

• Basic physical data and helpful information on all of the elements.
• Online Interactive Periodic Table
• A collection of crystal structures.
• A guide to assessing fracture in ceramics.

Chemical Resistance and Corrosion

• Compatibility Levels for a variety of materials.
• Chemical resistance guide for plastics and stainless steels.
• Ratings for plastics.
• The galvanic series.
• A galvanic series for specific metals.
• Calculation of Ellingham Diagrams.

Software

• Finite element analysis of microstructures.
• Scion image analysis.
• Crystallographic texture.
• Calculation of mass, density, atomic and weight percent.

Expert Forums

• Metal and Metallurgy engineering Forum
• Ceramic engineering Forum
• Polymer engineering Forum
• Corrosion engineering Forum
• Tribology engineering Forum
• Cryogenic engineering Forum
• Material engineering other topics Forum