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AM60A Magnesium vs. CC764S Brass

AM60A magnesium belongs to the magnesium alloys classification, while CC764S brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 AM60A magnesium and the bottom bar is CC764S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62
160
Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 8.8
15
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 18
41
Tensile Strength: Ultimate (UTS), MPa 230
680
Tensile Strength: Yield (Proof), MPa 130
290

Thermal Properties

Latent Heat of Fusion, J/g 350
180
Maximum Temperature: Mechanical, °C 120
130
Melting Completion (Liquidus), °C 620
850
Melting Onset (Solidus), °C 550
810
Specific Heat Capacity, J/kg-K 1000
400
Thermal Conductivity, W/m-K 62
94
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
32
Electrical Conductivity: Equal Weight (Specific), % IACS 69
36

Otherwise Unclassified Properties

Base Metal Price, % relative 12
23
Density, g/cm3 1.7
7.9
Embodied Carbon, kg CO2/kg material 23
2.9
Embodied Energy, MJ/kg 160
49
Embodied Water, L/kg 990
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
80
Resilience: Unit (Modulus of Resilience), kJ/m3 190
390
Stiffness to Weight: Axial, points 15
7.6
Stiffness to Weight: Bending, points 71
20
Strength to Weight: Axial, points 37
24
Strength to Weight: Bending, points 49
22
Thermal Diffusivity, mm2/s 37
30
Thermal Shock Resistance, points 14
22

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
1.0 to 3.0
Antimony (Sb), % 0
0 to 0.050
Copper (Cu), % 0 to 0.35
52 to 66
Iron (Fe), % 0
0.5 to 2.5
Lead (Pb), % 0
0 to 0.3
Magnesium (Mg), % 91.8 to 94.4
0
Manganese (Mn), % 0.13 to 0.6
0.3 to 4.0
Nickel (Ni), % 0 to 0.030
0 to 3.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.1
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0 to 0.22
20.7 to 50.2