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C69400 Brass vs. EN AC-46500 Aluminum

C69400 brass belongs to the copper alloys classification, while EN AC-46500 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 C69400 brass and the bottom bar is EN AC-46500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
74
Elongation at Break, % 17
1.0
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
28
Tensile Strength: Ultimate (UTS), MPa 570
270
Tensile Strength: Yield (Proof), MPa 270
160

Thermal Properties

Latent Heat of Fusion, J/g 260
520
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 920
610
Melting Onset (Solidus), °C 820
520
Specific Heat Capacity, J/kg-K 410
880
Thermal Conductivity, W/m-K 26
100
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
26
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
81

Otherwise Unclassified Properties

Base Metal Price, % relative 27
10
Density, g/cm3 8.3
2.9
Embodied Carbon, kg CO2/kg material 2.7
7.6
Embodied Energy, MJ/kg 44
140
Embodied Water, L/kg 300
1030

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 340
170
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
49
Strength to Weight: Axial, points 19
26
Strength to Weight: Bending, points 18
32
Thermal Diffusivity, mm2/s 7.7
41
Thermal Shock Resistance, points 20
12

Alloy Composition

Aluminum (Al), % 0
77.9 to 90
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 80 to 83
2.0 to 4.0
Iron (Fe), % 0 to 0.2
0 to 1.3
Lead (Pb), % 0 to 0.3
0 to 0.35
Magnesium (Mg), % 0
0.050 to 0.55
Manganese (Mn), % 0
0 to 0.55
Nickel (Ni), % 0
0 to 0.55
Silicon (Si), % 3.5 to 4.5
8.0 to 11
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 11.5 to 16.5
0 to 3.0
Residuals, % 0
0 to 0.25