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Grade 5 Titanium vs. Z21721 Zinc

Grade 5 titanium belongs to the titanium alloys classification, while Z21721 zinc belongs to the zinc alloys. There are 28 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 grade 5 titanium and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
87
Elongation at Break, % 8.6 to 11
40
Poisson's Ratio 0.32
0.25
Shear Modulus, GPa 40
35
Tensile Strength: Ultimate (UTS), MPa 1000 to 1190
150
Tensile Strength: Yield (Proof), MPa 910 to 1110
120

Thermal Properties

Latent Heat of Fusion, J/g 410
110
Maximum Temperature: Mechanical, °C 330
90
Melting Completion (Liquidus), °C 1610
410
Melting Onset (Solidus), °C 1650
390
Specific Heat Capacity, J/kg-K 560
390
Thermal Conductivity, W/m-K 6.8
110
Thermal Expansion, µm/m-K 8.9
26

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 36
11
Density, g/cm3 4.4
6.6
Embodied Carbon, kg CO2/kg material 38
2.8
Embodied Energy, MJ/kg 610
53
Embodied Water, L/kg 200
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
57
Resilience: Unit (Modulus of Resilience), kJ/m3 3980 to 5880
88
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 35
22
Strength to Weight: Axial, points 62 to 75
6.4
Strength to Weight: Bending, points 50 to 56
9.6
Thermal Diffusivity, mm2/s 2.7
44
Thermal Shock Resistance, points 76 to 91
4.8

Alloy Composition


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Aluminum (Al), % 5.5 to 6.8
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.070
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
0 to 0.0050
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Titanium (Ti), % 87.4 to 91
0 to 0.020
Vanadium (V), % 3.5 to 4.5
0
Yttrium (Y), % 0 to 0.0050
0
Zinc (Zn), % 0
98.9 to 100
Residuals, % 0 to 0.4
0