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A242.0 Aluminum vs. C44500 Brass

A242.0 aluminum belongs to the aluminum alloys classification, while C44500 brass belongs to the copper alloys. There are 24 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 C44500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
110
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
41
Tensile Strength: Ultimate (UTS), MPa 220
350

Thermal Properties

Latent Heat of Fusion, J/g 390
180
Maximum Temperature: Mechanical, °C 210
140
Melting Completion (Liquidus), °C 680
940
Melting Onset (Solidus), °C 550
900
Specific Heat Capacity, J/kg-K 870
380
Thermal Conductivity, W/m-K 140
110
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
25
Electrical Conductivity: Equal Weight (Specific), % IACS 110
27

Otherwise Unclassified Properties

Base Metal Price, % relative 12
26
Density, g/cm3 3.1
8.3
Embodied Carbon, kg CO2/kg material 8.3
2.7
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1130
330

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 45
19
Strength to Weight: Axial, points 20
12
Strength to Weight: Bending, points 26
13
Thermal Diffusivity, mm2/s 52
35
Thermal Shock Resistance, points 9.3
12

Alloy Composition

Aluminum (Al), % 89.3 to 93.1
0
Chromium (Cr), % 0.15 to 0.25
0
Copper (Cu), % 3.7 to 4.5
70 to 73
Iron (Fe), % 0 to 0.8
0 to 0.060
Lead (Pb), % 0
0 to 0.070
Magnesium (Mg), % 1.2 to 1.7
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 1.8 to 2.3
0
Phosphorus (P), % 0
0.020 to 0.1
Silicon (Si), % 0 to 0.6
0
Tin (Sn), % 0
0.9 to 1.2
Titanium (Ti), % 0.070 to 0.2
0
Zinc (Zn), % 0 to 0.1
25.2 to 29.1
Residuals, % 0
0 to 0.4