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Grade 34 Titanium vs. Z21721 Zinc

Grade 34 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 (3, in this case) are not shown.

For each property being compared, the top bar is grade 34 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, % 20
40
Poisson's Ratio 0.32
0.25
Shear Modulus, GPa 41
35
Tensile Strength: Ultimate (UTS), MPa 510
150
Tensile Strength: Yield (Proof), MPa 450
120

Thermal Properties

Latent Heat of Fusion, J/g 420
110
Maximum Temperature: Mechanical, °C 320
90
Melting Completion (Liquidus), °C 1660
410
Melting Onset (Solidus), °C 1610
390
Specific Heat Capacity, J/kg-K 540
390
Thermal Conductivity, W/m-K 21
110
Thermal Expansion, µm/m-K 8.7
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
27
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
37

Otherwise Unclassified Properties

Base Metal Price, % relative 55
11
Density, g/cm3 4.5
6.6
Embodied Carbon, kg CO2/kg material 33
2.8
Embodied Energy, MJ/kg 530
53
Embodied Water, L/kg 200
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
57
Resilience: Unit (Modulus of Resilience), kJ/m3 960
88
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 35
22
Strength to Weight: Axial, points 31
6.4
Strength to Weight: Bending, points 31
9.6
Thermal Diffusivity, mm2/s 8.4
44
Thermal Shock Resistance, points 39
4.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.070
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0.1 to 0.2
0
Copper (Cu), % 0
0 to 0.0050
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Nickel (Ni), % 0.35 to 0.55
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.35
0
Palladium (Pd), % 0.010 to 0.020
0
Ruthenium (Ru), % 0.020 to 0.040
0
Titanium (Ti), % 98 to 99.52
0 to 0.020
Zinc (Zn), % 0
98.9 to 100
Residuals, % 0 to 0.4
0