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Grade 20 Titanium vs. ZA-27

Grade 20 titanium belongs to the titanium alloys classification, while ZA-27 belongs to the zinc alloys. There are 25 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade 20 titanium and the bottom bar is ZA-27.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
78
Elongation at Break, % 5.7 to 17
2.0 to 4.5
Fatigue Strength, MPa 550 to 630
110 to 170
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 47
31
Shear Strength, MPa 560 to 740
230 to 330
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
400 to 430
Tensile Strength: Yield (Proof), MPa 850 to 1190
260 to 370

Thermal Properties

Latent Heat of Fusion, J/g 400
130
Maximum Temperature: Mechanical, °C 370
120
Melting Completion (Liquidus), °C 1660
480
Melting Onset (Solidus), °C 1600
380
Specific Heat Capacity, J/kg-K 520
530
Thermal Expansion, µm/m-K 9.6
26

Otherwise Unclassified Properties

Density, g/cm3 5.0
5.0
Embodied Carbon, kg CO2/kg material 52
4.2
Embodied Energy, MJ/kg 860
80
Embodied Water, L/kg 350
570

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
8.1 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
420 to 890
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 33
28
Strength to Weight: Axial, points 50 to 70
22 to 24
Strength to Weight: Bending, points 41 to 52
24 to 25
Thermal Shock Resistance, points 55 to 77
14 to 15

Alloy Composition


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Aluminum (Al), % 3.0 to 4.0
25 to 28
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 5.5 to 6.5
0
Copper (Cu), % 0
2.0 to 2.5
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
0 to 0.1
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.010 to 0.020
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 0.080
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 71 to 77
0
Vanadium (V), % 7.5 to 8.5
0
Zinc (Zn), % 0
69.3 to 73
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0

Comparable Variants