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2030 Aluminum vs. C47940 Brass

2030 aluminum belongs to the aluminum alloys classification, while C47940 brass belongs to the copper 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 2030 aluminum and the bottom bar is C47940 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 5.6 to 8.0
14 to 34
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
40
Shear Strength, MPa 220 to 250
250 to 310
Tensile Strength: Ultimate (UTS), MPa 370 to 420
380 to 520
Tensile Strength: Yield (Proof), MPa 240 to 270
160 to 390

Thermal Properties

Latent Heat of Fusion, J/g 390
170
Maximum Temperature: Mechanical, °C 190
130
Melting Completion (Liquidus), °C 640
850
Melting Onset (Solidus), °C 510
800
Specific Heat Capacity, J/kg-K 870
380
Thermal Conductivity, W/m-K 130
110
Thermal Expansion, µm/m-K 23
20

Otherwise Unclassified Properties

Base Metal Price, % relative 10
25
Density, g/cm3 3.1
8.2
Embodied Carbon, kg CO2/kg material 8.0
2.8
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1140
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
68 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 390 to 530
120 to 740
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 45
19
Strength to Weight: Axial, points 33 to 38
13 to 17
Strength to Weight: Bending, points 37 to 40
14 to 17
Thermal Diffusivity, mm2/s 50
36
Thermal Shock Resistance, points 16 to 19
13 to 17

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
63 to 66
Iron (Fe), % 0 to 0.7
0.1 to 1.0
Lead (Pb), % 0.8 to 1.5
1.0 to 2.0
Magnesium (Mg), % 0.5 to 1.3
0
Manganese (Mn), % 0.2 to 1.0
0
Nickel (Ni), % 0
0.1 to 0.5
Silicon (Si), % 0 to 0.8
0
Tin (Sn), % 0
1.2 to 2.0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
28.1 to 34.6
Residuals, % 0
0 to 0.4