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AS41A Magnesium vs. CC753S Brass

AS41A magnesium belongs to the magnesium alloys classification, while CC753S brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 AS41A magnesium and the bottom bar is CC753S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
100
Elongation at Break, % 11
17
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 17
40
Tensile Strength: Ultimate (UTS), MPa 230
340
Tensile Strength: Yield (Proof), MPa 140
170

Thermal Properties

Latent Heat of Fusion, J/g 370
170
Maximum Temperature: Mechanical, °C 110
120
Melting Completion (Liquidus), °C 620
820
Melting Onset (Solidus), °C 570
780
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 68
99
Thermal Expansion, µm/m-K 26
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
26
Electrical Conductivity: Equal Weight (Specific), % IACS 92
29

Otherwise Unclassified Properties

Base Metal Price, % relative 12
23
Density, g/cm3 1.6
8.1
Embodied Carbon, kg CO2/kg material 23
2.8
Embodied Energy, MJ/kg 160
47
Embodied Water, L/kg 980
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
47
Resilience: Unit (Modulus of Resilience), kJ/m3 220
140
Stiffness to Weight: Axial, points 15
7.1
Stiffness to Weight: Bending, points 72
19
Strength to Weight: Axial, points 38
12
Strength to Weight: Bending, points 50
13
Thermal Diffusivity, mm2/s 41
32
Thermal Shock Resistance, points 14
11

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
0.4 to 0.8
Antimony (Sb), % 0
0 to 0.050
Copper (Cu), % 0 to 0.060
56.8 to 60.5
Iron (Fe), % 0
0.5 to 0.8
Lead (Pb), % 0
1.8 to 2.5
Magnesium (Mg), % 92.8 to 95.8
0
Manganese (Mn), % 0.2 to 0.5
0 to 0.2
Nickel (Ni), % 0 to 0.030
0.5 to 1.2
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0.5 to 1.5
0 to 0.050
Tin (Sn), % 0
0 to 0.8
Zinc (Zn), % 0 to 0.12
33.1 to 40