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C28000 Muntz Metal vs. ZK60A Magnesium

C28000 Muntz Metal belongs to the copper alloys classification, while ZK60A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 C28000 Muntz Metal and the bottom bar is ZK60A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
46
Elongation at Break, % 10 to 45
4.5 to 9.9
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
18
Shear Strength, MPa 230 to 330
170 to 190
Tensile Strength: Ultimate (UTS), MPa 330 to 610
320 to 330
Tensile Strength: Yield (Proof), MPa 150 to 370
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 170
330
Maximum Temperature: Mechanical, °C 120
120
Melting Completion (Liquidus), °C 900
600
Melting Onset (Solidus), °C 900
550
Specific Heat Capacity, J/kg-K 390
960
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 21
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
29 to 30
Electrical Conductivity: Equal Weight (Specific), % IACS 31
140

Otherwise Unclassified Properties

Base Metal Price, % relative 23
13
Density, g/cm3 8.0
1.9
Embodied Carbon, kg CO2/kg material 2.7
23
Embodied Energy, MJ/kg 46
160
Embodied Water, L/kg 320
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27 to 240
14 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 670
570 to 690
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 20
63
Strength to Weight: Axial, points 11 to 21
47 to 49
Strength to Weight: Bending, points 13 to 20
55 to 56
Thermal Diffusivity, mm2/s 40
66
Thermal Shock Resistance, points 11 to 20
19 to 20

Alloy Composition

Copper (Cu), % 59 to 63
0
Iron (Fe), % 0 to 0.070
0
Lead (Pb), % 0 to 0.3
0
Magnesium (Mg), % 0
92.5 to 94.8
Zinc (Zn), % 36.3 to 41
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3