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R05252 Alloy vs. Z21721 Zinc

R05252 alloy belongs to the otherwise unclassified metals classification, while Z21721 zinc belongs to the zinc alloys. There are 18 material properties with values for both materials. Properties with values for just one material (10, 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 R05252 alloy and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
87
Elongation at Break, % 23
40
Poisson's Ratio 0.33
0.25
Shear Modulus, GPa 73
35
Tensile Strength: Ultimate (UTS), MPa 310
150
Tensile Strength: Yield (Proof), MPa 220
120

Thermal Properties

Latent Heat of Fusion, J/g 140
110
Specific Heat Capacity, J/kg-K 140
390
Thermal Expansion, µm/m-K 6.7
26

Otherwise Unclassified Properties

Density, g/cm3 17
6.6
Embodied Water, L/kg 600
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
57
Resilience: Unit (Modulus of Resilience), kJ/m3 120
88
Stiffness to Weight: Axial, points 6.5
7.3
Stiffness to Weight: Bending, points 12
22
Strength to Weight: Axial, points 5.2
6.4
Strength to Weight: Bending, points 6.1
9.6
Thermal Shock Resistance, points 17
4.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.070
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
0 to 0.0050
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.015
0
Silicon (Si), % 0 to 0.0050
0
Tantalum (Ta), % 88.8 to 91
0
Titanium (Ti), % 0 to 0.010
0 to 0.020
Tungsten (W), % 9.0 to 11
0
Zinc (Zn), % 0
98.9 to 100