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C34500 Brass vs. EN AC-45300 Aluminum

C34500 brass belongs to the copper alloys classification, while EN AC-45300 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 EN AC-45300 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
71
Elongation at Break, % 12 to 28
1.0 to 2.8
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 340 to 430
220 to 290
Tensile Strength: Yield (Proof), MPa 120 to 180
150 to 230

Thermal Properties

Latent Heat of Fusion, J/g 170
470
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 910
630
Melting Onset (Solidus), °C 890
590
Specific Heat Capacity, J/kg-K 380
890
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 21
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
36
Electrical Conductivity: Equal Weight (Specific), % IACS 29
120

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.5
Density, g/cm3 8.2
2.7
Embodied Carbon, kg CO2/kg material 2.6
8.0
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 320
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
2.7 to 5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
160 to 390
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 12 to 15
23 to 29
Strength to Weight: Bending, points 13 to 16
30 to 35
Thermal Diffusivity, mm2/s 37
60
Thermal Shock Resistance, points 11 to 14
10 to 13

Alloy Composition

Aluminum (Al), % 0
90.2 to 94.2
Copper (Cu), % 62 to 65
1.0 to 1.5
Iron (Fe), % 0 to 0.15
0 to 0.65
Lead (Pb), % 1.5 to 2.5
0 to 0.15
Magnesium (Mg), % 0
0.35 to 0.65
Manganese (Mn), % 0
0 to 0.55
Nickel (Ni), % 0
0 to 0.25
Silicon (Si), % 0
4.5 to 5.5
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 32 to 36.5
0 to 0.15
Residuals, % 0
0 to 0.15