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C43400 Brass vs. 707.0 Aluminum

C43400 brass belongs to the copper alloys classification, while 707.0 aluminum belongs to the aluminum 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 C43400 brass and the bottom bar is 707.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0
90.5 to 93.6
Chromium (Cr), % 0
0.2 to 0.4
Copper (Cu), % 84 to 87
0 to 0.2
Iron (Fe), % 0 to 0.050
0 to 0.8
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
1.8 to 2.4
Manganese (Mn), % 0
0.4 to 0.6
Silicon (Si), % 0
0 to 0.2
Tin (Sn), % 0.4 to 1.0
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 11.4 to 15.6
4.0 to 4.5
Residuals, % 0
0 to 0.15