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357.0 Aluminum vs. C68800 Brass

357.0 aluminum belongs to the aluminum alloys classification, while C68800 brass belongs to the copper alloys. There are 29 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 357.0 aluminum and the bottom bar is C68800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 3.4
2.0 to 36
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
41
Shear Strength, MPa 200
380 to 510
Tensile Strength: Ultimate (UTS), MPa 350
570 to 890
Tensile Strength: Yield (Proof), MPa 300
390 to 790

Thermal Properties

Latent Heat of Fusion, J/g 500
190
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 620
960
Melting Onset (Solidus), °C 560
950
Specific Heat Capacity, J/kg-K 910
400
Thermal Conductivity, W/m-K 150
40
Thermal Expansion, µm/m-K 21
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
18
Electrical Conductivity: Equal Weight (Specific), % IACS 140
20

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
26
Density, g/cm3 2.6
8.2
Embodied Carbon, kg CO2/kg material 8.0
2.8
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 1110
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
16 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 620
710 to 2860
Stiffness to Weight: Axial, points 15
7.3
Stiffness to Weight: Bending, points 53
19
Strength to Weight: Axial, points 38
19 to 30
Strength to Weight: Bending, points 43
19 to 25
Thermal Diffusivity, mm2/s 64
12
Thermal Shock Resistance, points 17
19 to 30

Alloy Composition

Aluminum (Al), % 91.3 to 93.1
3.0 to 3.8
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 0 to 0.050
70.8 to 75.5
Iron (Fe), % 0 to 0.15
0 to 0.2
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.45 to 0.6
0
Manganese (Mn), % 0 to 0.030
0
Silicon (Si), % 6.5 to 7.5
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.050
21.3 to 24.1
Residuals, % 0
0 to 0.5