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358.0 Aluminum vs. C68100 Brass

358.0 aluminum belongs to the aluminum alloys classification, while C68100 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 358.0 aluminum and the bottom bar is C68100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
100
Elongation at Break, % 3.5 to 6.0
29
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 350 to 370
380
Tensile Strength: Yield (Proof), MPa 290 to 320
140

Thermal Properties

Latent Heat of Fusion, J/g 520
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 600
890
Melting Onset (Solidus), °C 560
870
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 150
98
Thermal Expansion, µm/m-K 21
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
24
Electrical Conductivity: Equal Weight (Specific), % IACS 130
27

Otherwise Unclassified Properties

Base Metal Price, % relative 19
23
Density, g/cm3 2.6
7.9
Embodied Carbon, kg CO2/kg material 8.7
2.8
Embodied Energy, MJ/kg 160
47
Embodied Water, L/kg 1090
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 20
86
Resilience: Unit (Modulus of Resilience), kJ/m3 590 to 710
94
Stiffness to Weight: Axial, points 15
7.3
Stiffness to Weight: Bending, points 53
20
Strength to Weight: Axial, points 37 to 39
13
Strength to Weight: Bending, points 42 to 44
15
Thermal Diffusivity, mm2/s 63
32
Thermal Shock Resistance, points 16 to 17
13

Alloy Composition

Aluminum (Al), % 89.1 to 91.8
0 to 0.010
Beryllium (Be), % 0.1 to 0.3
0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.2
56 to 60
Iron (Fe), % 0 to 0.3
0.25 to 1.3
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.4 to 0.6
0
Manganese (Mn), % 0 to 0.2
0.010 to 0.5
Silicon (Si), % 7.6 to 8.6
0.040 to 0.15
Tin (Sn), % 0
0.75 to 1.1
Titanium (Ti), % 0.1 to 0.2
0
Zinc (Zn), % 0 to 0.2
36.4 to 43
Residuals, % 0
0 to 0.5