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C48600 Brass vs. 7050 Aluminum

C48600 brass belongs to the copper alloys classification, while 7050 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 C48600 brass and the bottom bar is 7050 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
70
Elongation at Break, % 20 to 25
2.2 to 12
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 39
26
Shear Strength, MPa 180 to 230
280 to 330
Tensile Strength: Ultimate (UTS), MPa 280 to 360
490 to 570
Tensile Strength: Yield (Proof), MPa 110 to 170
390 to 500

Thermal Properties

Latent Heat of Fusion, J/g 170
370
Maximum Temperature: Mechanical, °C 120
190
Melting Completion (Liquidus), °C 900
630
Melting Onset (Solidus), °C 890
490
Specific Heat Capacity, J/kg-K 380
860
Thermal Conductivity, W/m-K 110
140
Thermal Expansion, µm/m-K 21
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
35
Electrical Conductivity: Equal Weight (Specific), % IACS 28
100

Otherwise Unclassified Properties

Base Metal Price, % relative 24
10
Density, g/cm3 8.1
3.1
Embodied Carbon, kg CO2/kg material 2.8
8.2
Embodied Energy, MJ/kg 47
150
Embodied Water, L/kg 330
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55 to 59
10 to 55
Resilience: Unit (Modulus of Resilience), kJ/m3 61 to 140
1110 to 1760
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
45
Strength to Weight: Axial, points 9.5 to 12
45 to 51
Strength to Weight: Bending, points 12 to 14
45 to 50
Thermal Diffusivity, mm2/s 36
54
Thermal Shock Resistance, points 9.3 to 12
21 to 25

Alloy Composition

Aluminum (Al), % 0
87.3 to 92.1
Arsenic (As), % 0.020 to 0.25
0
Chromium (Cr), % 0
0 to 0.040
Copper (Cu), % 59 to 62
2.0 to 2.6
Iron (Fe), % 0
0 to 0.15
Lead (Pb), % 1.0 to 2.5
0
Magnesium (Mg), % 0
1.9 to 2.6
Manganese (Mn), % 0
0 to 0.1
Silicon (Si), % 0
0 to 0.12
Tin (Sn), % 0.3 to 1.5
0
Titanium (Ti), % 0
0 to 0.060
Zinc (Zn), % 33.4 to 39.7
5.7 to 6.7
Zirconium (Zr), % 0
0.080 to 0.15
Residuals, % 0
0 to 0.15