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C87900 Brass vs. C355.0 Aluminum

C87900 brass belongs to the copper alloys classification, while C355.0 aluminum belongs to the aluminum alloys. There are 28 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 C87900 brass and the bottom bar is C355.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 25
2.7 to 3.8
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
26
Tensile Strength: Ultimate (UTS), MPa 480
290 to 310
Tensile Strength: Yield (Proof), MPa 240
200 to 230

Thermal Properties

Latent Heat of Fusion, J/g 190
470
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 930
620
Melting Onset (Solidus), °C 900
570
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 20
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
39
Electrical Conductivity: Equal Weight (Specific), % IACS 17
130

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.5
Density, g/cm3 8.1
2.7
Embodied Carbon, kg CO2/kg material 2.7
8.0
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 320
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
7.5 to 9.8
Resilience: Unit (Modulus of Resilience), kJ/m3 270
290 to 380
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
51
Strength to Weight: Axial, points 17
30 to 32
Strength to Weight: Bending, points 17
36 to 37
Thermal Diffusivity, mm2/s 37
60
Thermal Shock Resistance, points 16
13 to 14

Alloy Composition


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Aluminum (Al), % 0 to 0.15
91.7 to 94.1
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 63 to 69.2
1.0 to 1.5
Iron (Fe), % 0 to 0.4
0 to 0.2
Lead (Pb), % 0 to 0.25
0
Magnesium (Mg), % 0
0.4 to 0.6
Manganese (Mn), % 0 to 0.15
0 to 0.1
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0.8 to 1.2
4.5 to 5.5
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 30 to 36
0 to 0.1
Residuals, % 0
0 to 0.15