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Titanium 6-7 vs. ZK60A Magnesium

Titanium 6-7 belongs to the titanium alloys classification, while ZK60A magnesium belongs to the magnesium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 titanium 6-7 and the bottom bar is ZK60A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
46
Elongation at Break, % 11
4.5 to 9.9
Fatigue Strength, MPa 530
150 to 180
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 45
18
Shear Strength, MPa 610
170 to 190
Tensile Strength: Ultimate (UTS), MPa 1020
320 to 330
Tensile Strength: Yield (Proof), MPa 900
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 300
120
Melting Completion (Liquidus), °C 1700
600
Melting Onset (Solidus), °C 1650
550
Specific Heat Capacity, J/kg-K 520
960
Thermal Expansion, µm/m-K 9.3
26

Otherwise Unclassified Properties

Base Metal Price, % relative 75
13
Density, g/cm3 5.1
1.9
Embodied Carbon, kg CO2/kg material 34
23
Embodied Energy, MJ/kg 540
160
Embodied Water, L/kg 190
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
14 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
570 to 690
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 32
63
Strength to Weight: Axial, points 56
47 to 49
Strength to Weight: Bending, points 44
55 to 56
Thermal Shock Resistance, points 66
19 to 20

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
0
Magnesium (Mg), % 0
92.5 to 94.8
Molybdenum (Mo), % 6.5 to 7.5
0
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0
Zinc (Zn), % 0
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3