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ZC63A Magnesium vs. C46500 Brass

ZC63A magnesium belongs to the magnesium alloys classification, while C46500 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 C46500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 48
100
Elongation at Break, % 3.3
18 to 50
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 19
40
Shear Strength, MPa 130
280 to 380
Tensile Strength: Ultimate (UTS), MPa 220
380 to 610
Tensile Strength: Yield (Proof), MPa 130
190 to 490

Thermal Properties

Latent Heat of Fusion, J/g 330
170
Maximum Temperature: Mechanical, °C 98
120
Melting Completion (Liquidus), °C 550
900
Melting Onset (Solidus), °C 470
890
Specific Heat Capacity, J/kg-K 950
380
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 26
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
26
Electrical Conductivity: Equal Weight (Specific), % IACS 140
29

Otherwise Unclassified Properties

Base Metal Price, % relative 13
23
Density, g/cm3 2.1
8.0
Embodied Carbon, kg CO2/kg material 22
2.7
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 920
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
99 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 190
170 to 1170
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 58
20
Strength to Weight: Axial, points 29
13 to 21
Strength to Weight: Bending, points 38
15 to 20
Thermal Diffusivity, mm2/s 58
38
Thermal Shock Resistance, points 12
13 to 20

Alloy Composition

Arsenic (As), % 0
0.020 to 0.060
Copper (Cu), % 2.4 to 3.0
59 to 62
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0
0 to 0.2
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
0.5 to 1.0
Zinc (Zn), % 5.5 to 6.5
36.2 to 40.5
Residuals, % 0 to 0.3
0 to 0.4