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6182 Aluminum vs. C46400 Brass

6182 aluminum belongs to the aluminum alloys classification, while C46400 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 6182 aluminum and the bottom bar is C46400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 6.8 to 13
17 to 40
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
40
Shear Strength, MPa 140 to 190
270 to 310
Tensile Strength: Ultimate (UTS), MPa 230 to 320
400 to 500
Tensile Strength: Yield (Proof), MPa 130 to 270
160 to 320

Thermal Properties

Latent Heat of Fusion, J/g 410
170
Maximum Temperature: Mechanical, °C 190
120
Melting Completion (Liquidus), °C 640
900
Melting Onset (Solidus), °C 600
890
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 160
120
Thermal Expansion, µm/m-K 23
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
26
Electrical Conductivity: Equal Weight (Specific), % IACS 130
29

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 2.7
8.0
Embodied Carbon, kg CO2/kg material 8.4
2.7
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1170
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
76 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 520
120 to 500
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
20
Strength to Weight: Axial, points 23 to 32
14 to 17
Strength to Weight: Bending, points 30 to 38
15 to 17
Thermal Diffusivity, mm2/s 65
38
Thermal Shock Resistance, points 10 to 14
13 to 16

Alloy Composition

Aluminum (Al), % 95 to 97.9
0
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 0 to 0.1
59 to 62
Iron (Fe), % 0 to 0.5
0 to 0.1
Lead (Pb), % 0
0 to 0.2
Magnesium (Mg), % 0.7 to 1.2
0
Manganese (Mn), % 0.5 to 1.0
0
Silicon (Si), % 0.9 to 1.3
0
Tin (Sn), % 0
0.5 to 1.0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
36.3 to 40.5
Zirconium (Zr), % 0.050 to 0.2
0
Residuals, % 0
0 to 0.4