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Titanium

Titanium has a high strength to weight ratio which dictates many of its more important applications in the aerospace industry.

Properties
Titanium is a white, silvery metal that has a high strength-to-weight ratio and is conditionally corrosion resistant in a wide range of environments.

Atomic No. 22
Atomic Wt. 47.867
Specific Gravity 4.54
Melting Point 1668°C
Coefficient of Thermal Expansion 8.6 X 10-6/°K
Specific Heat 0.125 cal/g/°K
Ultimate Tensile Strength (Room Temperature, Annealed) 50 ksi
Yield Tensile Strength (Room Temperature, Annealed) 40 ksi
Poisons Ratio 0.32
Modulus of Elasticity 14.9 X 106 psi
Recrystalization Temperature 700°C to 750°C
General Corrosion Resistance
Titanium is immune to corrosive attack by salt water, or marine environments. It also exhibits good resistance to a wide range of acids, alkalis and industrial chemicals.

This data is based on laboratory testing only. Your in-plant results may differ. Testing is recommended under other conditions as needed.
Titanium is a reactive metal that owes its corrosion resistance to the formation of a tenaciously adherent oxide film. This film, unlike the film formed on its sister element zirconium, is conditional and can be enhanced by the presence of oxidizing ions in contact with the metal. It is resistant to most dilute acids and is excellent in sea water and brackish waters. However, it is also used in the chemical industry in heat exchangers, the pulp and paper industry, tanks, piping systems, valves and pumps.