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C34500 Brass vs. A380.0 Aluminum

C34500 brass belongs to the copper alloys classification, while A380.0 aluminum belongs to the aluminum alloys. There are 29 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 C34500 brass and the bottom bar is A380.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
73
Elongation at Break, % 12 to 28
3.3
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
27
Shear Strength, MPa 220 to 260
190
Tensile Strength: Ultimate (UTS), MPa 340 to 430
290
Tensile Strength: Yield (Proof), MPa 120 to 180
160

Thermal Properties

Latent Heat of Fusion, J/g 170
510
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 910
590
Melting Onset (Solidus), °C 890
550
Specific Heat Capacity, J/kg-K 380
870
Thermal Conductivity, W/m-K 120
96
Thermal Expansion, µm/m-K 21
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
25
Electrical Conductivity: Equal Weight (Specific), % IACS 29
78

Otherwise Unclassified Properties

Base Metal Price, % relative 24
11
Density, g/cm3 8.2
2.9
Embodied Carbon, kg CO2/kg material 2.6
7.5
Embodied Energy, MJ/kg 45
140
Embodied Water, L/kg 320
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
8.3
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
180
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
48
Strength to Weight: Axial, points 12 to 15
28
Strength to Weight: Bending, points 13 to 16
34
Thermal Diffusivity, mm2/s 37
38
Thermal Shock Resistance, points 11 to 14
13

Alloy Composition

Aluminum (Al), % 0
80.3 to 89.5
Copper (Cu), % 62 to 65
3.0 to 4.0
Iron (Fe), % 0 to 0.15
0 to 1.3
Lead (Pb), % 1.5 to 2.5
0
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Silicon (Si), % 0
7.5 to 9.5
Tin (Sn), % 0
0 to 0.35
Zinc (Zn), % 32 to 36.5
0 to 3.0
Residuals, % 0
0 to 0.5