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Titanium

Titanium alloys consist of a combination of titanium and other chemical components. These alloys have exceptional tensile strength and abrasion resistance (even at extreme temperatures). They are lightweight, exceptionally resistant to corrosion, and able to sustain extreme temperatures. However, the high cost of both raw materials and processing restricts their use to military applications, aircraft, spacecraft, bicycles, medical devices, jewelry, highly stressed components like connecting rods on expensive sports cars, as well as some premium sports equipment and consumer electronics.


Although "commercially pure" titanium has adequate mechanical qualities and has been used for orthopedic and dental implants, it is often alloyed with minor amounts of aluminum and vanadium, typically 6% and 4% by weight, for most uses. This mixture's solubility in solids fluctuates significantly with temperature, allowing it to undergo precipitation strengthening. This heat treatment is performed after the alloy has been shaped into its final form but before it is utilized, making the manufacture of high-strength products more simpler.

Equivalent Grades

STANDARD

UNS

WERKSTOFF NR.

Titanium Gr. 2

R50400

3.7035

Titanium Gr. 5

N56400

3.7165

Chemical Composition

Grade

Ti

C

Fe

H

N

O

Al

V

Ti Grade2

99.2 min

0.1 max

0.3 max

0.015 max

0.03 max

0.25 max

Ti Grade5

90 min

0.25 max

0.2 max

6 min

4 min

 Mechanical properties of Titanium

Element

Density

Melting Point

Tensile Strength

Yield Strength (0.2%Offset)

Elongation

Titanium Gr. 2

4.5 g/cm3

1665 °C (3030 °F)

Psi – 49900 , MPa – 344

Psi – 39900 , MPa – 275

20 %

Titanium Gr. 5

4.43 g/cm3

1632 °C (2970 °F)

Psi – 138000 , MPa – 950

Psi – 128000 , MPa – 880

14 %