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Titanium 15-3-3-3 vs. ZK51A Magnesium

Titanium 15-3-3-3 belongs to the titanium alloys classification, while ZK51A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is titanium 15-3-3-3 and the bottom bar is ZK51A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
45
Elongation at Break, % 5.7 to 8.0
4.7
Fatigue Strength, MPa 610 to 710
62
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 39
18
Shear Strength, MPa 660 to 810
160
Tensile Strength: Ultimate (UTS), MPa 1120 to 1390
240
Tensile Strength: Yield (Proof), MPa 1100 to 1340
150

Thermal Properties

Latent Heat of Fusion, J/g 390
340
Maximum Temperature: Mechanical, °C 430
120
Melting Completion (Liquidus), °C 1620
640
Melting Onset (Solidus), °C 1560
550
Specific Heat Capacity, J/kg-K 520
970
Thermal Conductivity, W/m-K 8.1
110
Thermal Expansion, µm/m-K 9.8
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
140

Otherwise Unclassified Properties

Base Metal Price, % relative 40
13
Density, g/cm3 4.8
1.8
Embodied Carbon, kg CO2/kg material 59
24
Embodied Energy, MJ/kg 950
160
Embodied Water, L/kg 260
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78 to 89
10
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 32
64
Strength to Weight: Axial, points 64 to 80
36
Strength to Weight: Bending, points 50 to 57
47
Thermal Diffusivity, mm2/s 3.2
61
Thermal Shock Resistance, points 79 to 98
15

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 2.5 to 3.5
0
Copper (Cu), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0
Magnesium (Mg), % 0
93.1 to 95.9
Nickel (Ni), % 0
0 to 0.010
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.13
0
Tin (Sn), % 2.5 to 3.5
0
Titanium (Ti), % 72.6 to 78.5
0
Vanadium (V), % 14 to 16
0
Zinc (Zn), % 0
3.6 to 5.5
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3