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EN-MC21320 Magnesium vs. Grade Ti-Pd18 Titanium

EN-MC21320 magnesium belongs to the magnesium alloys classification, while grade Ti-Pd18 titanium belongs to the titanium alloys. There are 29 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 EN-MC21320 magnesium and the bottom bar is grade Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 68
320
Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 7.5
17
Fatigue Strength, MPa 95
350
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 18
40
Tensile Strength: Ultimate (UTS), MPa 230
710
Tensile Strength: Yield (Proof), MPa 140
540

Thermal Properties

Latent Heat of Fusion, J/g 370
410
Maximum Temperature: Mechanical, °C 110
330
Melting Completion (Liquidus), °C 600
1640
Melting Onset (Solidus), °C 530
1590
Specific Heat Capacity, J/kg-K 1000
550
Thermal Conductivity, W/m-K 66
8.2
Thermal Expansion, µm/m-K 26
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 91
2.7

Otherwise Unclassified Properties

Density, g/cm3 1.6
4.5
Embodied Carbon, kg CO2/kg material 23
41
Embodied Energy, MJ/kg 160
670
Embodied Water, L/kg 980
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15
110
Resilience: Unit (Modulus of Resilience), kJ/m3 200
1380
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 72
35
Strength to Weight: Axial, points 38
44
Strength to Weight: Bending, points 50
39
Thermal Diffusivity, mm2/s 40
3.3
Thermal Shock Resistance, points 13
52

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
2.5 to 3.5
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 0 to 0.010
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.0050
0 to 0.25
Magnesium (Mg), % 92.5 to 95.9
0
Manganese (Mn), % 0.1 to 0.7
0
Nickel (Ni), % 0 to 0.0020
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0.5 to 1.5
0
Titanium (Ti), % 0
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.010
0 to 0.4