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ZC63A Magnesium vs. Grade 4 Titanium

ZC63A magnesium belongs to the magnesium alloys classification, while grade 4 titanium belongs to the titanium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 ZC63A magnesium and the bottom bar is grade 4 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
200
Elastic (Young's, Tensile) Modulus, GPa 48
110
Elongation at Break, % 3.3
17
Fatigue Strength, MPa 94
340
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 19
41
Shear Strength, MPa 130
390
Tensile Strength: Ultimate (UTS), MPa 220
640
Tensile Strength: Yield (Proof), MPa 130
530

Thermal Properties

Latent Heat of Fusion, J/g 330
420
Maximum Temperature: Mechanical, °C 98
320
Melting Completion (Liquidus), °C 550
1660
Melting Onset (Solidus), °C 470
1610
Specific Heat Capacity, J/kg-K 950
540
Thermal Conductivity, W/m-K 120
19
Thermal Expansion, µm/m-K 26
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 140
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
37
Density, g/cm3 2.1
4.5
Embodied Carbon, kg CO2/kg material 22
31
Embodied Energy, MJ/kg 150
500
Embodied Water, L/kg 920
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
100
Resilience: Unit (Modulus of Resilience), kJ/m3 190
1330
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
35
Strength to Weight: Axial, points 29
40
Strength to Weight: Bending, points 38
37
Thermal Diffusivity, mm2/s 58
7.6
Thermal Shock Resistance, points 12
46

Alloy Composition


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Carbon (C), % 0
0 to 0.080
Copper (Cu), % 2.4 to 3.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0
0 to 0.5
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0
Nickel (Ni), % 0 to 0.010
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.4
Silicon (Si), % 0 to 0.2
0
Titanium (Ti), % 0
98.6 to 100
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.3
0 to 0.4