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Grade 361 Molybdenum vs. Zamak 5

Grade 361 molybdenum belongs to the otherwise unclassified metals classification, while Zamak 5 belongs to the zinc alloys. There are 20 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is grade 361 molybdenum and the bottom bar is Zamak 5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 310
87
Elongation at Break, % 6.3
6.3
Poisson's Ratio 0.31
0.25
Shear Modulus, GPa 120
33
Tensile Strength: Ultimate (UTS), MPa 620
330
Tensile Strength: Yield (Proof), MPa 530
240

Thermal Properties

Latent Heat of Fusion, J/g 370
120
Specific Heat Capacity, J/kg-K 250
410
Thermal Expansion, µm/m-K 7.0
27

Otherwise Unclassified Properties

Density, g/cm3 10
6.4
Embodied Carbon, kg CO2/kg material 28
3.0
Embodied Energy, MJ/kg 330
57
Embodied Water, L/kg 360
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
19
Resilience: Unit (Modulus of Resilience), kJ/m3 450
330
Stiffness to Weight: Axial, points 17
7.5
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 17
14
Strength to Weight: Bending, points 16
16
Thermal Shock Resistance, points 21
9.9

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
0.7 to 1.3
Iron (Fe), % 0 to 0.010
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.025 to 0.080
Molybdenum (Mo), % 99.9 to 100
0
Nickel (Ni), % 0 to 0.0050
0 to 0.020
Nitrogen (N), % 0 to 0.0020
0
Oxygen (O), % 0 to 0.0070
0
Silicon (Si), % 0 to 0.010
0 to 0.030
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
94.3 to 95.7