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ZC63A Magnesium vs. C26000 Brass

ZC63A magnesium belongs to the magnesium alloys classification, while C26000 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 ZC63A magnesium and the bottom bar is C26000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 48
110
Elongation at Break, % 3.3
2.5 to 66
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 19
41
Shear Strength, MPa 130
230 to 390
Tensile Strength: Ultimate (UTS), MPa 220
320 to 680
Tensile Strength: Yield (Proof), MPa 130
110 to 570

Thermal Properties

Latent Heat of Fusion, J/g 330
180
Maximum Temperature: Mechanical, °C 98
140
Melting Completion (Liquidus), °C 550
950
Melting Onset (Solidus), °C 470
920
Specific Heat Capacity, J/kg-K 950
390
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
28
Electrical Conductivity: Equal Weight (Specific), % IACS 140
31

Otherwise Unclassified Properties

Base Metal Price, % relative 13
25
Density, g/cm3 2.1
8.2
Embodied Carbon, kg CO2/kg material 22
2.7
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 920
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
6.1 to 420
Resilience: Unit (Modulus of Resilience), kJ/m3 190
51 to 1490
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 58
19
Strength to Weight: Axial, points 29
11 to 23
Strength to Weight: Bending, points 38
13 to 21
Thermal Diffusivity, mm2/s 58
38
Thermal Shock Resistance, points 12
11 to 23

Alloy Composition

Bismuth (Bi), % 0
0 to 0.0059
Copper (Cu), % 2.4 to 3.0
68.5 to 71.5
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0
0 to 0.070
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.2
0
Zinc (Zn), % 5.5 to 6.5
28.1 to 31.5
Residuals, % 0 to 0.3
0 to 0.3