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2030 Aluminum vs. C46400 Brass

2030 aluminum belongs to the aluminum alloys classification, while C46400 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 2030 aluminum and the bottom bar is C46400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 5.6 to 8.0
17 to 40
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
40
Shear Strength, MPa 220 to 250
270 to 310
Tensile Strength: Ultimate (UTS), MPa 370 to 420
400 to 500
Tensile Strength: Yield (Proof), MPa 240 to 270
160 to 320

Thermal Properties

Latent Heat of Fusion, J/g 390
170
Maximum Temperature: Mechanical, °C 190
120
Melting Completion (Liquidus), °C 640
900
Melting Onset (Solidus), °C 510
890
Specific Heat Capacity, J/kg-K 870
380
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 23
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
26
Electrical Conductivity: Equal Weight (Specific), % IACS 99
29

Otherwise Unclassified Properties

Base Metal Price, % relative 10
23
Density, g/cm3 3.1
8.0
Embodied Carbon, kg CO2/kg material 8.0
2.7
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1140
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
76 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 390 to 530
120 to 500
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 45
20
Strength to Weight: Axial, points 33 to 38
14 to 17
Strength to Weight: Bending, points 37 to 40
15 to 17
Thermal Diffusivity, mm2/s 50
38
Thermal Shock Resistance, points 16 to 19
13 to 16

Alloy Composition

Aluminum (Al), % 88.9 to 95.2
0
Bismuth (Bi), % 0 to 0.2
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.3 to 4.5
59 to 62
Iron (Fe), % 0 to 0.7
0 to 0.1
Lead (Pb), % 0.8 to 1.5
0 to 0.2
Magnesium (Mg), % 0.5 to 1.3
0
Manganese (Mn), % 0.2 to 1.0
0
Silicon (Si), % 0 to 0.8
0
Tin (Sn), % 0
0.5 to 1.0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
36.3 to 40.5
Residuals, % 0
0 to 0.4