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Z21210 Zinc vs. Grade 31 Titanium

Z21210 zinc belongs to the zinc alloys classification, while grade 31 titanium belongs to the titanium alloys. There are 12 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

For each property being compared, the top bar is Z21210 zinc and the bottom bar is grade 31 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Tensile Strength: Ultimate (UTS), MPa 150 to 170
510

Thermal Properties

Melting Completion (Liquidus), °C 420
1660
Melting Onset (Solidus), °C 420
1610
Specific Heat Capacity, J/kg-K 400
540
Thermal Conductivity, W/m-K 110
21
Thermal Expansion, µm/m-K 32
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 35
6.9

Otherwise Unclassified Properties

Density, g/cm3 7.1
4.5

Common Calculations

Strength to Weight: Axial, points 5.7 to 6.4
32
Strength to Weight: Bending, points 8.6 to 9.4
32
Thermal Diffusivity, mm2/s 38
8.5