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Z21721 Zinc vs. Titanium 6-2-4-2

Z21721 zinc belongs to the zinc alloys classification, while titanium 6-2-4-2 belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is Z21721 zinc and the bottom bar is titanium 6-2-4-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
110
Elongation at Break, % 40
8.6
Poisson's Ratio 0.25
0.32
Shear Modulus, GPa 35
40
Tensile Strength: Ultimate (UTS), MPa 150
950
Tensile Strength: Yield (Proof), MPa 120
880

Thermal Properties

Latent Heat of Fusion, J/g 110
400
Maximum Temperature: Mechanical, °C 90
300
Melting Completion (Liquidus), °C 410
1590
Melting Onset (Solidus), °C 390
1540
Specific Heat Capacity, J/kg-K 390
540
Thermal Conductivity, W/m-K 110
6.9
Thermal Expansion, µm/m-K 26
9.5

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
0.9
Electrical Conductivity: Equal Weight (Specific), % IACS 37
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 11
42
Density, g/cm3 6.6
4.6
Embodied Carbon, kg CO2/kg material 2.8
32
Embodied Energy, MJ/kg 53
520
Embodied Water, L/kg 340
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
79
Resilience: Unit (Modulus of Resilience), kJ/m3 88
3640
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 22
34
Strength to Weight: Axial, points 6.4
57
Strength to Weight: Bending, points 9.6
46
Thermal Diffusivity, mm2/s 44
2.8
Thermal Shock Resistance, points 4.8
67

Alloy Composition

Aluminum (Al), % 0 to 0.0020
5.5 to 6.5
Cadmium (Cd), % 0 to 0.070
0
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 0 to 0.0050
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.010
0 to 0.25
Lead (Pb), % 0 to 1.0
0
Molybdenum (Mo), % 0
1.8 to 2.2
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Silicon (Si), % 0
0.060 to 0.12
Tin (Sn), % 0
1.8 to 2.2
Titanium (Ti), % 0 to 0.020
83.7 to 87.2
Zinc (Zn), % 98.9 to 100
0
Zirconium (Zr), % 0
3.6 to 4.4
Residuals, % 0
0 to 0.4