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A242.0 Aluminum vs. C84200 Brass

A242.0 aluminum belongs to the aluminum alloys classification, while C84200 brass belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (4, 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 A242.0 aluminum and the bottom bar is C84200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
110
Elongation at Break, % 1.6
15
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 220
250

Thermal Properties

Latent Heat of Fusion, J/g 390
180
Maximum Temperature: Mechanical, °C 210
150
Melting Completion (Liquidus), °C 680
990
Melting Onset (Solidus), °C 550
840
Specific Heat Capacity, J/kg-K 870
370
Thermal Conductivity, W/m-K 140
72
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
16
Electrical Conductivity: Equal Weight (Specific), % IACS 110
17

Otherwise Unclassified Properties

Base Metal Price, % relative 12
30
Density, g/cm3 3.1
8.5
Embodied Carbon, kg CO2/kg material 8.3
3.1
Embodied Energy, MJ/kg 150
51
Embodied Water, L/kg 1130
350

Common Calculations

Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 45
18
Strength to Weight: Axial, points 20
8.2
Strength to Weight: Bending, points 26
10
Thermal Diffusivity, mm2/s 52
23
Thermal Shock Resistance, points 9.3
9.1

Alloy Composition

Aluminum (Al), % 89.3 to 93.1
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Chromium (Cr), % 0.15 to 0.25
0
Copper (Cu), % 3.7 to 4.5
78 to 82
Iron (Fe), % 0 to 0.8
0 to 0.4
Lead (Pb), % 0
2.0 to 3.0
Magnesium (Mg), % 1.2 to 1.7
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 1.8 to 2.3
0 to 0.8
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.6
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
4.0 to 6.0
Titanium (Ti), % 0.070 to 0.2
0
Zinc (Zn), % 0 to 0.1
10 to 16
Residuals, % 0
0 to 0.7