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Grade 36 Titanium vs. QE22A Magnesium

Grade 36 titanium belongs to the titanium alloys classification, while QE22A magnesium belongs to the magnesium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, 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 36 titanium and the bottom bar is QE22A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
44
Elongation at Break, % 11
2.4
Fatigue Strength, MPa 300
110
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 39
17
Shear Strength, MPa 320
150
Tensile Strength: Ultimate (UTS), MPa 530
250
Tensile Strength: Yield (Proof), MPa 520
190

Thermal Properties

Latent Heat of Fusion, J/g 370
340
Maximum Temperature: Mechanical, °C 320
250
Melting Completion (Liquidus), °C 2020
640
Melting Onset (Solidus), °C 1950
570
Specific Heat Capacity, J/kg-K 420
970
Thermal Expansion, µm/m-K 8.1
27

Otherwise Unclassified Properties

Density, g/cm3 6.3
2.0
Embodied Carbon, kg CO2/kg material 58
27
Embodied Energy, MJ/kg 920
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
5.5
Resilience: Unit (Modulus of Resilience), kJ/m3 1260
400
Stiffness to Weight: Axial, points 9.3
13
Stiffness to Weight: Bending, points 25
60
Strength to Weight: Axial, points 23
36
Strength to Weight: Bending, points 23
46
Thermal Shock Resistance, points 45
15

Alloy Composition

Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.0035
0
Iron (Fe), % 0 to 0.030
0
Magnesium (Mg), % 0
93.1 to 95.8
Nickel (Ni), % 0
0 to 0.010
Niobium (Nb), % 42 to 47
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.16
0
Silver (Ag), % 0
2.0 to 3.0
Titanium (Ti), % 52.3 to 58
0
Unspecified Rare Earths, % 0
1.8 to 2.5
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3