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707.0 Aluminum vs. C43400 Brass

707.0 aluminum belongs to the aluminum alloys classification, while C43400 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 707.0 aluminum and the bottom bar is C43400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 1.7 to 3.4
3.0 to 49
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
42
Tensile Strength: Ultimate (UTS), MPa 270 to 300
310 to 690
Tensile Strength: Yield (Proof), MPa 170 to 250
110 to 560

Thermal Properties

Latent Heat of Fusion, J/g 380
190
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 630
1020
Melting Onset (Solidus), °C 600
990
Specific Heat Capacity, J/kg-K 880
380
Thermal Conductivity, W/m-K 150
140
Thermal Expansion, µm/m-K 24
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
31
Electrical Conductivity: Equal Weight (Specific), % IACS 110
32

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
28
Density, g/cm3 2.9
8.6
Embodied Carbon, kg CO2/kg material 8.3
2.7
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 1140
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3 to 8.6
19 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 430
57 to 1420
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 47
19
Strength to Weight: Axial, points 26 to 29
10 to 22
Strength to Weight: Bending, points 32 to 34
12 to 20
Thermal Diffusivity, mm2/s 58
41
Thermal Shock Resistance, points 12 to 13
11 to 24

Alloy Composition

Aluminum (Al), % 90.5 to 93.6
0
Chromium (Cr), % 0.2 to 0.4
0
Copper (Cu), % 0 to 0.2
84 to 87
Iron (Fe), % 0 to 0.8
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 1.8 to 2.4
0
Manganese (Mn), % 0.4 to 0.6
0
Silicon (Si), % 0 to 0.2
0
Tin (Sn), % 0
0.4 to 1.0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 4.0 to 4.5
11.4 to 15.6
Residuals, % 0
0 to 0.5