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C38000 Brass vs. 2017A Aluminum

C38000 brass belongs to the copper alloys classification, while 2017A aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (3, 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 C38000 brass and the bottom bar is 2017A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
71
Elongation at Break, % 17
2.2 to 14
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 39
27
Shear Strength, MPa 230
120 to 270
Tensile Strength: Ultimate (UTS), MPa 380
200 to 460
Tensile Strength: Yield (Proof), MPa 120
110 to 290

Thermal Properties

Latent Heat of Fusion, J/g 170
390
Maximum Temperature: Mechanical, °C 110
220
Melting Completion (Liquidus), °C 800
650
Melting Onset (Solidus), °C 760
510
Specific Heat Capacity, J/kg-K 380
880
Thermal Conductivity, W/m-K 110
150
Thermal Expansion, µm/m-K 21
23

Otherwise Unclassified Properties

Base Metal Price, % relative 22
11
Density, g/cm3 8.0
3.0
Embodied Carbon, kg CO2/kg material 2.7
8.2
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 330
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
6.7 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 74
90 to 570
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
46
Strength to Weight: Axial, points 13
19 to 42
Strength to Weight: Bending, points 14
26 to 44
Thermal Diffusivity, mm2/s 37
56
Thermal Shock Resistance, points 13
8.9 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.5
91.3 to 95.5
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 55 to 60
3.5 to 4.5
Iron (Fe), % 0 to 0.35
0 to 0.7
Lead (Pb), % 1.5 to 2.5
0
Magnesium (Mg), % 0
0.4 to 1.0
Manganese (Mn), % 0
0.4 to 1.0
Silicon (Si), % 0
0.2 to 0.8
Tin (Sn), % 0 to 0.3
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 35.9 to 43.5
0 to 0.25
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15