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C355.0 Aluminum vs. C47940 Brass

C355.0 aluminum belongs to the aluminum alloys classification, while C47940 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 C355.0 aluminum and the bottom bar is C47940 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 2.7 to 3.8
14 to 34
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 290 to 310
380 to 520
Tensile Strength: Yield (Proof), MPa 200 to 230
160 to 390

Thermal Properties

Latent Heat of Fusion, J/g 470
170
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 620
850
Melting Onset (Solidus), °C 570
800
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 150
110
Thermal Expansion, µm/m-K 22
20

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.7
8.2
Embodied Carbon, kg CO2/kg material 8.0
2.8
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1120
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.5 to 9.8
68 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 380
120 to 740
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 51
19
Strength to Weight: Axial, points 30 to 32
13 to 17
Strength to Weight: Bending, points 36 to 37
14 to 17
Thermal Diffusivity, mm2/s 60
36
Thermal Shock Resistance, points 13 to 14
13 to 17

Alloy Composition

Aluminum (Al), % 91.7 to 94.1
0
Copper (Cu), % 1.0 to 1.5
63 to 66
Iron (Fe), % 0 to 0.2
0.1 to 1.0
Lead (Pb), % 0
1.0 to 2.0
Magnesium (Mg), % 0.4 to 0.6
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
0.1 to 0.5
Silicon (Si), % 4.5 to 5.5
0
Tin (Sn), % 0
1.2 to 2.0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
28.1 to 34.6
Residuals, % 0
0 to 0.4