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Z21721 Zinc vs. Grade 25 Titanium

Z21721 zinc belongs to the zinc alloys classification, while grade 25 titanium belongs to the titanium alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is Z21721 zinc and the bottom bar is grade 25 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
110
Elongation at Break, % 40
11
Poisson's Ratio 0.25
0.32
Shear Modulus, GPa 35
40
Tensile Strength: Ultimate (UTS), MPa 150
1000
Tensile Strength: Yield (Proof), MPa 120
940

Thermal Properties

Latent Heat of Fusion, J/g 110
410
Maximum Temperature: Mechanical, °C 90
340
Melting Completion (Liquidus), °C 410
1610
Melting Onset (Solidus), °C 390
1560
Specific Heat Capacity, J/kg-K 390
560
Thermal Conductivity, W/m-K 110
7.1
Thermal Expansion, µm/m-K 26
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 37
2.0

Otherwise Unclassified Properties

Density, g/cm3 6.6
4.5
Embodied Carbon, kg CO2/kg material 2.8
43
Embodied Energy, MJ/kg 53
700
Embodied Water, L/kg 340
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
110
Resilience: Unit (Modulus of Resilience), kJ/m3 88
4220
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 22
35
Strength to Weight: Axial, points 6.4
62
Strength to Weight: Bending, points 9.6
50
Thermal Diffusivity, mm2/s 44
2.8
Thermal Shock Resistance, points 4.8
71

Alloy Composition


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Aluminum (Al), % 0 to 0.0020
5.5 to 6.8
Cadmium (Cd), % 0 to 0.070
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0 to 0.0050
0
Hydrogen (H), % 0
0 to 0.013
Iron (Fe), % 0 to 0.010
0 to 0.4
Lead (Pb), % 0 to 1.0
0
Nickel (Ni), % 0
0.3 to 0.8
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Palladium (Pd), % 0
0.040 to 0.080
Titanium (Ti), % 0 to 0.020
86.7 to 90.6
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 98.9 to 100
0
Residuals, % 0
0 to 0.4