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Z21721 Zinc vs. Titanium 6-7

Z21721 zinc belongs to the zinc alloys classification, while titanium 6-7 belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is Z21721 zinc and the bottom bar is titanium 6-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
120
Elongation at Break, % 40
11
Poisson's Ratio 0.25
0.33
Shear Modulus, GPa 35
45
Tensile Strength: Ultimate (UTS), MPa 150
1020
Tensile Strength: Yield (Proof), MPa 120
900

Thermal Properties

Latent Heat of Fusion, J/g 110
410
Maximum Temperature: Mechanical, °C 90
300
Melting Completion (Liquidus), °C 410
1700
Melting Onset (Solidus), °C 390
1650
Specific Heat Capacity, J/kg-K 390
520
Thermal Expansion, µm/m-K 26
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
75
Density, g/cm3 6.6
5.1
Embodied Carbon, kg CO2/kg material 2.8
34
Embodied Energy, MJ/kg 53
540
Embodied Water, L/kg 340
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
110
Resilience: Unit (Modulus of Resilience), kJ/m3 88
3460
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 22
32
Strength to Weight: Axial, points 6.4
56
Strength to Weight: Bending, points 9.6
44
Thermal Shock Resistance, points 4.8
66

Alloy Composition

Aluminum (Al), % 0 to 0.0020
5.5 to 6.5
Cadmium (Cd), % 0 to 0.070
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0 to 0.0050
0
Hydrogen (H), % 0
0 to 0.0090
Iron (Fe), % 0 to 0.010
0 to 0.25
Lead (Pb), % 0 to 1.0
0
Molybdenum (Mo), % 0
6.5 to 7.5
Niobium (Nb), % 0
6.5 to 7.5
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0 to 0.020
84.9 to 88
Zinc (Zn), % 98.9 to 100
0