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CC760S Brass vs. ISO-WD21150 Magnesium

CC760S brass belongs to the copper alloys classification, while ISO-WD21150 magnesium belongs to the magnesium alloys. There are 28 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 CC760S brass and the bottom bar is ISO-WD21150 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
45
Elongation at Break, % 22
5.7 to 11
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
17
Tensile Strength: Ultimate (UTS), MPa 180
240 to 290
Tensile Strength: Yield (Proof), MPa 80
120 to 200

Thermal Properties

Latent Heat of Fusion, J/g 190
350
Maximum Temperature: Mechanical, °C 170
110
Melting Completion (Liquidus), °C 1000
600
Melting Onset (Solidus), °C 940
550
Specific Heat Capacity, J/kg-K 390
990
Thermal Conductivity, W/m-K 150
100
Thermal Expansion, µm/m-K 19
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
19
Electrical Conductivity: Equal Weight (Specific), % IACS 40
100

Otherwise Unclassified Properties

Base Metal Price, % relative 28
12
Density, g/cm3 8.6
1.7
Embodied Carbon, kg CO2/kg material 2.6
23
Embodied Energy, MJ/kg 43
160
Embodied Water, L/kg 320
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
15 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 29
160 to 460
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 19
70
Strength to Weight: Axial, points 5.8
40 to 48
Strength to Weight: Bending, points 8.2
52 to 58
Thermal Diffusivity, mm2/s 45
60
Thermal Shock Resistance, points 6.2
15 to 17

Alloy Composition

Aluminum (Al), % 0 to 0.010
2.4 to 3.6
Arsenic (As), % 0.050 to 0.15
0
Copper (Cu), % 83 to 88
0 to 0.050
Iron (Fe), % 0 to 0.15
0 to 0.0050
Lead (Pb), % 0 to 0.5
0
Magnesium (Mg), % 0
94 to 97
Manganese (Mn), % 0 to 0.1
0.15 to 0.4
Nickel (Ni), % 0 to 0.1
0 to 0.0050
Silicon (Si), % 0 to 0.020
0 to 0.1
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 10.7 to 17
0.5 to 1.5
Residuals, % 0
0 to 0.3