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2017 Aluminum vs. C27200 Brass

2017 aluminum belongs to the aluminum alloys classification, while C27200 brass belongs to the copper 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 2017 aluminum and the bottom bar is C27200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 12 to 18
10 to 50
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 27
40
Shear Strength, MPa 130 to 260
230 to 320
Tensile Strength: Ultimate (UTS), MPa 190 to 430
370 to 590
Tensile Strength: Yield (Proof), MPa 76 to 260
150 to 410

Thermal Properties

Latent Heat of Fusion, J/g 390
170
Maximum Temperature: Mechanical, °C 190
130
Melting Completion (Liquidus), °C 640
920
Melting Onset (Solidus), °C 510
870
Specific Heat Capacity, J/kg-K 880
390
Thermal Conductivity, W/m-K 150
120
Thermal Expansion, µm/m-K 24
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
28
Electrical Conductivity: Equal Weight (Specific), % IACS 110
31

Otherwise Unclassified Properties

Base Metal Price, % relative 10
24
Density, g/cm3 3.0
8.1
Embodied Carbon, kg CO2/kg material 8.0
2.7
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1140
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 66
30 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 41 to 470
110 to 810
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 46
19
Strength to Weight: Axial, points 17 to 40
13 to 20
Strength to Weight: Bending, points 24 to 42
14 to 19
Thermal Diffusivity, mm2/s 56
37
Thermal Shock Resistance, points 7.9 to 18
12 to 20

Alloy Composition

Aluminum (Al), % 91.6 to 95.5
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
62 to 65
Iron (Fe), % 0 to 0.7
0 to 0.070
Lead (Pb), % 0
0 to 0.070
Magnesium (Mg), % 0.4 to 0.8
0
Manganese (Mn), % 0.4 to 1.0
0
Silicon (Si), % 0.2 to 0.8
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
34.6 to 38
Residuals, % 0
0 to 0.3