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ZK51A Magnesium vs. CC380H Copper-nickel

ZK51A magnesium belongs to the magnesium alloys classification, while CC380H copper-nickel belongs to the copper alloys. There are 28 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 ZK51A magnesium and the bottom bar is CC380H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
120
Elongation at Break, % 4.7
26
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
47
Tensile Strength: Ultimate (UTS), MPa 240
310
Tensile Strength: Yield (Proof), MPa 150
120

Thermal Properties

Latent Heat of Fusion, J/g 340
220
Maximum Temperature: Mechanical, °C 120
220
Melting Completion (Liquidus), °C 640
1130
Melting Onset (Solidus), °C 550
1080
Specific Heat Capacity, J/kg-K 970
390
Thermal Conductivity, W/m-K 110
46
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
11
Electrical Conductivity: Equal Weight (Specific), % IACS 140
11

Otherwise Unclassified Properties

Base Metal Price, % relative 13
36
Density, g/cm3 1.8
8.9
Embodied Carbon, kg CO2/kg material 24
3.8
Embodied Energy, MJ/kg 160
58
Embodied Water, L/kg 940
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10
65
Resilience: Unit (Modulus of Resilience), kJ/m3 260
59
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 64
19
Strength to Weight: Axial, points 36
9.8
Strength to Weight: Bending, points 47
12
Thermal Diffusivity, mm2/s 61
13
Thermal Shock Resistance, points 15
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Copper (Cu), % 0 to 0.1
84.5 to 89
Iron (Fe), % 0
1.0 to 1.8
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 93.1 to 95.9
0
Manganese (Mn), % 0
1.0 to 1.5
Nickel (Ni), % 0 to 0.010
9.0 to 11
Niobium (Nb), % 0
0 to 1.0
Silicon (Si), % 0
0 to 0.1
Zinc (Zn), % 3.6 to 5.5
0 to 0.5
Zirconium (Zr), % 0.5 to 1.0
0
Residuals, % 0 to 0.3
0