Editorial Feature

Titanium - Comparison of Properties with Other Metals

Bjoern Wylezich / Shutterstock

A direct comparison of physical, electrical, and thermal properties of pure titanium with those of other metals such as aluminum, nickel, magnesium, copper, and 304 stainless steel is illustrated in Table 1.

Table 1. Comparison of physical properties of titanium with those of other metals. Source: Timet.

Property Titanium 304 Stainless Steel Aluminum Magnesium Nickel Copper
Atomic No. 22 -- 13 12 28 29
Atomic Wt. 47.9 -- 26.97 24.32 58.69 63.57
Specific Gravity 4.5 7.9 2.7 1.7 8.9 8.9
Linear thermal
expansion coefficient (/°C)
8.4X10-6 17X10-6 23X10-6 25X10-6 15X10-6 17X10-6
Specific heat (cal/gr/°C) 0.124 0.12 0.21 0.24 0.11 0.092
Thermal conductivity
coefficient (cal/cm2/sec/°C/cm)
0.041 0.039 0.49 0.38 0.22 0.92
Specific electrical
resistance (µOhm-cm)
55 72 2.7 4.3 9.5 1.7
Electrical conductivity (%IACA) 3.1 2.4 64 40 18 100
Young's modulus (kg/mm2) 10850 20403 7050 4570 21000 11000
Poisson's ratio 0.34 0.3 0.33 0.35 0.30 0.34

Comments

  1. George Tziviskos George Tziviskos United States says:

    Specific resistance of copper is reported incorrectly.  It should be 1.724

The opinions expressed here are the views of the writer and do not necessarily reflect the views and opinions of AZoM.com.

Tell Us What You Think

Do you have a review, update or anything you would like to add to this article?

Leave your feedback
Submit