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Grade 366 Molybdenum vs. Z21721 Zinc

Grade 366 molybdenum belongs to the otherwise unclassified metals classification, while Z21721 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.

For each property being compared, the top bar is grade 366 molybdenum and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 300
87
Elongation at Break, % 2.2
40
Poisson's Ratio 0.3
0.25
Shear Modulus, GPa 120
35
Tensile Strength: Ultimate (UTS), MPa 580
150
Tensile Strength: Yield (Proof), MPa 470
120

Thermal Properties

Latent Heat of Fusion, J/g 310
110
Specific Heat Capacity, J/kg-K 210
390
Thermal Expansion, µm/m-K 7.6
26

Otherwise Unclassified Properties

Density, g/cm3 12
6.6
Embodied Carbon, kg CO2/kg material 27
2.8
Embodied Energy, MJ/kg 340
53
Embodied Water, L/kg 300
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12
57
Resilience: Unit (Modulus of Resilience), kJ/m3 370
88
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 18
22
Strength to Weight: Axial, points 13
6.4
Strength to Weight: Bending, points 13
9.6
Thermal Shock Resistance, points 18
4.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.070
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
0 to 0.0050
Iron (Fe), % 0 to 0.010
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Molybdenum (Mo), % 66.9 to 73
0
Nickel (Ni), % 0 to 0.0020
0
Nitrogen (N), % 0 to 0.0020
0
Oxygen (O), % 0 to 0.0025
0
Silicon (Si), % 0 to 0.010
0
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 27 to 33
0
Zinc (Zn), % 0
98.9 to 100