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C48500 Brass vs. 4115 Aluminum

C48500 brass belongs to the copper alloys classification, while 4115 aluminum belongs to the aluminum 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 C48500 brass and the bottom bar is 4115 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
70
Elongation at Break, % 13 to 40
1.1 to 11
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 39
26
Shear Strength, MPa 250 to 300
71 to 130
Tensile Strength: Ultimate (UTS), MPa 400 to 500
120 to 220
Tensile Strength: Yield (Proof), MPa 160 to 320
39 to 190

Thermal Properties

Latent Heat of Fusion, J/g 170
420
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 900
640
Melting Onset (Solidus), °C 890
590
Specific Heat Capacity, J/kg-K 380
900
Thermal Conductivity, W/m-K 120
160
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
41
Electrical Conductivity: Equal Weight (Specific), % IACS 29
140

Otherwise Unclassified Properties

Base Metal Price, % relative 23
9.5
Density, g/cm3 8.1
2.7
Embodied Carbon, kg CO2/kg material 2.7
8.1
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 330
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56 to 140
2.1 to 10
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 500
11 to 270
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 14 to 17
12 to 23
Strength to Weight: Bending, points 15 to 17
20 to 30
Thermal Diffusivity, mm2/s 38
66
Thermal Shock Resistance, points 13 to 17
5.2 to 9.9

Alloy Composition

Aluminum (Al), % 0
94.6 to 97.4
Copper (Cu), % 59 to 62
0.1 to 0.5
Iron (Fe), % 0 to 0.1
0 to 0.7
Lead (Pb), % 1.3 to 2.2
0
Magnesium (Mg), % 0
0.1 to 0.5
Manganese (Mn), % 0
0.6 to 1.2
Silicon (Si), % 0
1.8 to 2.2
Tin (Sn), % 0.5 to 1.0
0
Zinc (Zn), % 34.3 to 39.2
0 to 0.2
Residuals, % 0 to 0.4
0 to 0.15