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R05200 Tantalum vs. Z41121 Zinc

R05200 tantalum belongs to the otherwise unclassified metals classification, while Z41121 zinc belongs to the zinc alloys. There are 20 material properties with values for both materials. Properties with values for just one material (8, 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 R05200 tantalum and the bottom bar is Z41121 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
87
Elongation at Break, % 1.1 to 28
50
Poisson's Ratio 0.34
0.25
Shear Modulus, GPa 69
35
Tensile Strength: Ultimate (UTS), MPa 210 to 540
140
Tensile Strength: Yield (Proof), MPa 140 to 390
120

Thermal Properties

Latent Heat of Fusion, J/g 140
110
Specific Heat Capacity, J/kg-K 140
390
Thermal Conductivity, W/m-K 59
110
Thermal Expansion, µm/m-K 6.5
26

Otherwise Unclassified Properties

Density, g/cm3 17
6.6
Embodied Water, L/kg 650
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 53
68
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 420
79
Stiffness to Weight: Axial, points 6.2
7.4
Stiffness to Weight: Bending, points 11
23
Strength to Weight: Axial, points 3.6 to 9.0
6.1
Strength to Weight: Bending, points 4.8 to 8.8
9.3
Thermal Diffusivity, mm2/s 25
44
Thermal Shock Resistance, points 13 to 32
4.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
0.080 to 0.49
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0 to 0.010
Lead (Pb), % 0
0 to 0.010
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), % 99.8 to 100
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0 to 0.010
0.050 to 0.18
Tungsten (W), % 0 to 0.050
0
Zinc (Zn), % 0
99.292 to 99.87