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C38000 Brass vs. 2007 Aluminum

C38000 brass belongs to the copper alloys classification, while 2007 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 2007 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
71
Elongation at Break, % 17
5.6 to 8.0
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 39
27
Shear Strength, MPa 230
220 to 250
Tensile Strength: Ultimate (UTS), MPa 380
370 to 420
Tensile Strength: Yield (Proof), MPa 120
240 to 270

Thermal Properties

Latent Heat of Fusion, J/g 170
390
Maximum Temperature: Mechanical, °C 110
190
Melting Completion (Liquidus), °C 800
640
Melting Onset (Solidus), °C 760
510
Specific Heat Capacity, J/kg-K 380
870
Thermal Conductivity, W/m-K 110
130
Thermal Expansion, µm/m-K 21
23

Otherwise Unclassified Properties

Base Metal Price, % relative 22
11
Density, g/cm3 8.0
3.1
Embodied Carbon, kg CO2/kg material 2.7
8.0
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 330
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
21 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 74
390 to 530
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
44
Strength to Weight: Axial, points 13
33 to 38
Strength to Weight: Bending, points 14
37 to 40
Thermal Diffusivity, mm2/s 37
48
Thermal Shock Resistance, points 13
16 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.5
87.5 to 95
Bismuth (Bi), % 0
0 to 0.2
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 55 to 60
3.3 to 4.6
Iron (Fe), % 0 to 0.35
0 to 0.8
Lead (Pb), % 1.5 to 2.5
0.8 to 1.5
Magnesium (Mg), % 0
0.4 to 1.8
Manganese (Mn), % 0
0.5 to 1.0
Nickel (Ni), % 0
0 to 0.2
Silicon (Si), % 0
0 to 0.8
Tin (Sn), % 0 to 0.3
0 to 0.2
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 35.9 to 43.5
0 to 0.8
Residuals, % 0
0 to 0.3