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C34500 Brass vs. 296.0 Aluminum

C34500 brass belongs to the copper alloys classification, while 296.0 aluminum belongs to the aluminum alloys. There are 28 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 296.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
72
Elongation at Break, % 12 to 28
3.2 to 7.1
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 340 to 430
260 to 270
Tensile Strength: Yield (Proof), MPa 120 to 180
120 to 180

Thermal Properties

Latent Heat of Fusion, J/g 170
420
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 910
630
Melting Onset (Solidus), °C 890
540
Specific Heat Capacity, J/kg-K 380
870
Thermal Conductivity, W/m-K 120
130 to 150
Thermal Expansion, µm/m-K 21
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
33 to 37
Electrical Conductivity: Equal Weight (Specific), % IACS 29
99 to 110

Otherwise Unclassified Properties

Base Metal Price, % relative 24
11
Density, g/cm3 8.2
3.0
Embodied Carbon, kg CO2/kg material 2.6
7.8
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 320
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
7.6 to 15
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
110 to 220
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
46
Strength to Weight: Axial, points 12 to 15
24 to 25
Strength to Weight: Bending, points 13 to 16
30 to 31
Thermal Diffusivity, mm2/s 37
51 to 56
Thermal Shock Resistance, points 11 to 14
12

Alloy Composition

Aluminum (Al), % 0
89 to 94
Copper (Cu), % 62 to 65
4.0 to 5.0
Iron (Fe), % 0 to 0.15
0 to 1.2
Lead (Pb), % 1.5 to 2.5
0
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.35
Nickel (Ni), % 0
0 to 0.35
Silicon (Si), % 0
2.0 to 3.0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 32 to 36.5
0 to 0.5
Residuals, % 0
0 to 0.35