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Grade 33 Titanium vs. ZK60A Magnesium

Grade 33 titanium belongs to the titanium alloys classification, while ZK60A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 33 titanium and the bottom bar is ZK60A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
46
Elongation at Break, % 23
4.5 to 9.9
Fatigue Strength, MPa 250
150 to 180
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
18
Shear Strength, MPa 240
170 to 190
Tensile Strength: Ultimate (UTS), MPa 390
320 to 330
Tensile Strength: Yield (Proof), MPa 350
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 420
330
Maximum Temperature: Mechanical, °C 320
120
Melting Completion (Liquidus), °C 1660
600
Melting Onset (Solidus), °C 1610
550
Specific Heat Capacity, J/kg-K 540
960
Thermal Conductivity, W/m-K 21
120
Thermal Expansion, µm/m-K 8.7
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
29 to 30
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
140

Otherwise Unclassified Properties

Base Metal Price, % relative 55
13
Density, g/cm3 4.5
1.9
Embodied Carbon, kg CO2/kg material 33
23
Embodied Energy, MJ/kg 530
160
Embodied Water, L/kg 200
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
14 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 590
570 to 690
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
63
Strength to Weight: Axial, points 24
47 to 49
Strength to Weight: Bending, points 26
55 to 56
Thermal Diffusivity, mm2/s 8.7
66
Thermal Shock Resistance, points 30
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0.1 to 0.2
0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0
Magnesium (Mg), % 0
92.5 to 94.8
Nickel (Ni), % 0.35 to 0.55
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Palladium (Pd), % 0.010 to 0.020
0
Ruthenium (Ru), % 0.020 to 0.040
0
Titanium (Ti), % 98.1 to 99.52
0
Zinc (Zn), % 0
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3