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ZC63A Magnesium vs. C43400 Brass

ZC63A magnesium belongs to the magnesium alloys classification, while C43400 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 C43400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 48
110
Elongation at Break, % 3.3
3.0 to 49
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 19
42
Shear Strength, MPa 130
250 to 390
Tensile Strength: Ultimate (UTS), MPa 220
310 to 690
Tensile Strength: Yield (Proof), MPa 130
110 to 560

Thermal Properties

Latent Heat of Fusion, J/g 330
190
Maximum Temperature: Mechanical, °C 98
170
Melting Completion (Liquidus), °C 550
1020
Melting Onset (Solidus), °C 470
990
Specific Heat Capacity, J/kg-K 950
380
Thermal Conductivity, W/m-K 120
140
Thermal Expansion, µm/m-K 26
19

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
28
Density, g/cm3 2.1
8.6
Embodied Carbon, kg CO2/kg material 22
2.7
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 920
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
19 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 190
57 to 1420
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 58
19
Strength to Weight: Axial, points 29
10 to 22
Strength to Weight: Bending, points 38
12 to 20
Thermal Diffusivity, mm2/s 58
41
Thermal Shock Resistance, points 12
11 to 24

Alloy Composition

Copper (Cu), % 2.4 to 3.0
84 to 87
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0
0 to 0.050
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
Tin (Sn), % 0
0.4 to 1.0
Zinc (Zn), % 5.5 to 6.5
11.4 to 15.6
Residuals, % 0 to 0.3
0 to 0.5