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C37000 Muntz Metal vs. WE54A Magnesium

C37000 Muntz Metal belongs to the copper alloys classification, while WE54A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 C37000 Muntz Metal and the bottom bar is WE54A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
44
Elongation at Break, % 40
4.3 to 5.6
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 39
17
Shear Strength, MPa 270
150 to 170
Tensile Strength: Ultimate (UTS), MPa 400
270 to 300
Tensile Strength: Yield (Proof), MPa 160
180

Thermal Properties

Latent Heat of Fusion, J/g 170
330
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 900
640
Melting Onset (Solidus), °C 890
570
Specific Heat Capacity, J/kg-K 380
960
Thermal Conductivity, W/m-K 120
52
Thermal Expansion, µm/m-K 21
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
10
Electrical Conductivity: Equal Weight (Specific), % IACS 30
47

Otherwise Unclassified Properties

Base Metal Price, % relative 23
34
Density, g/cm3 8.1
1.9
Embodied Carbon, kg CO2/kg material 2.7
29
Embodied Energy, MJ/kg 45
260
Embodied Water, L/kg 320
900

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
10 to 14
Resilience: Unit (Modulus of Resilience), kJ/m3 120
360 to 380
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
62
Strength to Weight: Axial, points 14
39 to 43
Strength to Weight: Bending, points 15
49 to 51
Thermal Diffusivity, mm2/s 39
28
Thermal Shock Resistance, points 13
18 to 19

Alloy Composition

Copper (Cu), % 59 to 62
0 to 0.030
Iron (Fe), % 0 to 0.15
0 to 0.010
Lead (Pb), % 0.8 to 1.5
0
Lithium (Li), % 0
0 to 0.2
Magnesium (Mg), % 0
88.7 to 93.4
Manganese (Mn), % 0
0 to 0.030
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0
0 to 0.010
Unspecified Rare Earths, % 0
1.5 to 4.0
Yttrium (Y), % 0
4.8 to 5.5
Zinc (Zn), % 36 to 40.2
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3