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C33200 Brass vs. 705.0 Aluminum

C33200 brass belongs to the copper alloys classification, while 705.0 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 C33200 brass and the bottom bar is 705.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
69
Elongation at Break, % 7.0 to 60
8.4 to 10
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 320 to 520
240 to 260
Tensile Strength: Yield (Proof), MPa 110 to 450
130

Thermal Properties

Latent Heat of Fusion, J/g 170
390
Maximum Temperature: Mechanical, °C 130
180
Melting Completion (Liquidus), °C 930
640
Melting Onset (Solidus), °C 900
610
Specific Heat Capacity, J/kg-K 380
890
Thermal Conductivity, W/m-K 120
140
Thermal Expansion, µm/m-K 20
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
34
Electrical Conductivity: Equal Weight (Specific), % IACS 28
110

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.5
Density, g/cm3 8.2
2.8
Embodied Carbon, kg CO2/kg material 2.6
8.4
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 320
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35 to 150
18 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 960
120 to 130
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
49
Strength to Weight: Axial, points 11 to 17
24 to 26
Strength to Weight: Bending, points 13 to 17
31 to 32
Thermal Diffusivity, mm2/s 37
55
Thermal Shock Resistance, points 11 to 17
11

Alloy Composition

Aluminum (Al), % 0
92.3 to 98.6
Chromium (Cr), % 0
0 to 0.4
Copper (Cu), % 65 to 68
0 to 0.2
Iron (Fe), % 0 to 0.070
0 to 0.8
Lead (Pb), % 1.5 to 2.5
0
Magnesium (Mg), % 0
1.4 to 1.8
Manganese (Mn), % 0
0 to 0.6
Silicon (Si), % 0
0 to 0.2
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 29 to 33.5
0 to 3.3
Residuals, % 0
0 to 0.15