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Grade 30 Titanium vs. ZC63A Magnesium

Grade 30 titanium belongs to the titanium alloys classification, while ZC63A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 grade 30 titanium and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
48
Elongation at Break, % 23
3.3
Fatigue Strength, MPa 250
94
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
19
Shear Strength, MPa 240
130
Tensile Strength: Ultimate (UTS), MPa 390
220
Tensile Strength: Yield (Proof), MPa 350
130

Thermal Properties

Latent Heat of Fusion, J/g 420
330
Maximum Temperature: Mechanical, °C 320
98
Melting Completion (Liquidus), °C 1660
550
Melting Onset (Solidus), °C 1610
470
Specific Heat Capacity, J/kg-K 540
950
Thermal Conductivity, W/m-K 21
120
Thermal Expansion, µm/m-K 8.7
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
32
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
140

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.1
Embodied Carbon, kg CO2/kg material 36
22
Embodied Energy, MJ/kg 600
150
Embodied Water, L/kg 230
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 590
190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
58
Strength to Weight: Axial, points 24
29
Strength to Weight: Bending, points 26
38
Thermal Diffusivity, mm2/s 8.6
58
Thermal Shock Resistance, points 30
12

Alloy Composition

Carbon (C), % 0 to 0.080
0
Cobalt (Co), % 0.2 to 0.8
0
Copper (Cu), % 0
2.4 to 3.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0
0.25 to 0.75
Nickel (Ni), % 0
0 to 0.010
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Palladium (Pd), % 0.040 to 0.080
0
Silicon (Si), % 0
0 to 0.2
Titanium (Ti), % 98 to 99.76
0
Zinc (Zn), % 0
5.5 to 6.5
Residuals, % 0
0 to 0.3