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Grade 20 Titanium vs. Zamak 5

Grade 20 titanium belongs to the titanium alloys classification, while Zamak 5 belongs to the zinc alloys. There are 25 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is grade 20 titanium and the bottom bar is Zamak 5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
87
Elongation at Break, % 5.7 to 17
6.3
Fatigue Strength, MPa 550 to 630
56
Poisson's Ratio 0.32
0.25
Shear Modulus, GPa 47
33
Shear Strength, MPa 560 to 740
260
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
330
Tensile Strength: Yield (Proof), MPa 850 to 1190
240

Thermal Properties

Latent Heat of Fusion, J/g 400
120
Maximum Temperature: Mechanical, °C 370
95
Melting Completion (Liquidus), °C 1660
390
Melting Onset (Solidus), °C 1600
380
Specific Heat Capacity, J/kg-K 520
410
Thermal Expansion, µm/m-K 9.6
27

Otherwise Unclassified Properties

Density, g/cm3 5.0
6.4
Embodied Carbon, kg CO2/kg material 52
3.0
Embodied Energy, MJ/kg 860
57
Embodied Water, L/kg 350
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
19
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
330
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 33
23
Strength to Weight: Axial, points 50 to 70
14
Strength to Weight: Bending, points 41 to 52
16
Thermal Shock Resistance, points 55 to 77
9.9

Alloy Composition


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Aluminum (Al), % 3.0 to 4.0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 5.5 to 6.5
0
Copper (Cu), % 0
0.7 to 1.3
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.025 to 0.080
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 0
0 to 0.020
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.12
0
Palladium (Pd), % 0.040 to 0.080
0
Silicon (Si), % 0
0 to 0.030
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 71 to 77
0
Vanadium (V), % 7.5 to 8.5
0
Zinc (Zn), % 0
94.3 to 95.7
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0