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Grade 36 Titanium vs. ZK61A Magnesium

Grade 36 titanium belongs to the titanium alloys classification, while ZK61A magnesium belongs to the magnesium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 ZK61A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
46
Elongation at Break, % 11
5.8 to 7.1
Fatigue Strength, MPa 300
120 to 140
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 39
18
Shear Strength, MPa 320
170 to 180
Tensile Strength: Ultimate (UTS), MPa 530
290 to 310
Tensile Strength: Yield (Proof), MPa 520
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 370
330
Maximum Temperature: Mechanical, °C 320
120
Melting Completion (Liquidus), °C 2020
640
Melting Onset (Solidus), °C 1950
530
Specific Heat Capacity, J/kg-K 420
960
Thermal Expansion, µm/m-K 8.1
27

Otherwise Unclassified Properties

Density, g/cm3 6.3
1.9
Embodied Carbon, kg CO2/kg material 58
23
Embodied Energy, MJ/kg 920
160
Embodied Water, L/kg 130
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
15 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 1260
370 to 420
Stiffness to Weight: Axial, points 9.3
13
Stiffness to Weight: Bending, points 25
62
Strength to Weight: Axial, points 23
42 to 45
Strength to Weight: Bending, points 23
50 to 53
Thermal Shock Resistance, points 45
17 to 18

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
92.1 to 93.9
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
Titanium (Ti), % 52.3 to 58
0
Zinc (Zn), % 0
5.5 to 6.5
Zirconium (Zr), % 0
0.6 to 1.0
Residuals, % 0
0 to 0.3