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C68300 Brass vs. 2030 Aluminum

C68300 brass belongs to the copper alloys classification, while 2030 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, 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 C68300 brass and the bottom bar is 2030 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
70
Elongation at Break, % 15
5.6 to 8.0
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
26
Shear Strength, MPa 260
220 to 250
Tensile Strength: Ultimate (UTS), MPa 430
370 to 420
Tensile Strength: Yield (Proof), MPa 260
240 to 270

Thermal Properties

Latent Heat of Fusion, J/g 180
390
Maximum Temperature: Mechanical, °C 120
190
Melting Completion (Liquidus), °C 900
640
Melting Onset (Solidus), °C 890
510
Specific Heat Capacity, J/kg-K 390
870
Thermal Conductivity, W/m-K 120
130
Thermal Expansion, µm/m-K 20
23

Otherwise Unclassified Properties

Base Metal Price, % relative 23
10
Density, g/cm3 8.0
3.1
Embodied Carbon, kg CO2/kg material 2.8
8.0
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 340
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
21 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 330
390 to 530
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 20
45
Strength to Weight: Axial, points 15
33 to 38
Strength to Weight: Bending, points 16
37 to 40
Thermal Diffusivity, mm2/s 38
50
Thermal Shock Resistance, points 14
16 to 19

Alloy Composition

Aluminum (Al), % 0
88.9 to 95.2
Antimony (Sb), % 0.3 to 1.0
0
Bismuth (Bi), % 0
0 to 0.2
Cadmium (Cd), % 0 to 0.010
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 59 to 63
3.3 to 4.5
Iron (Fe), % 0
0 to 0.7
Lead (Pb), % 0 to 0.090
0.8 to 1.5
Magnesium (Mg), % 0
0.5 to 1.3
Manganese (Mn), % 0
0.2 to 1.0
Silicon (Si), % 0.3 to 1.0
0 to 0.8
Tin (Sn), % 0.050 to 0.2
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 34.2 to 40.4
0 to 0.5
Residuals, % 0
0 to 0.3