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C87500 Brass vs. EN AC-45400 Aluminum

C87500 brass belongs to the copper alloys classification, while EN AC-45400 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, 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 C87500 brass and the bottom bar is EN AC-45400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
72
Elongation at Break, % 18
6.7
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
27
Tensile Strength: Ultimate (UTS), MPa 460
260
Tensile Strength: Yield (Proof), MPa 190
130

Thermal Properties

Latent Heat of Fusion, J/g 260
470
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 920
630
Melting Onset (Solidus), °C 820
560
Specific Heat Capacity, J/kg-K 410
880
Thermal Conductivity, W/m-K 28
140
Thermal Expansion, µm/m-K 18
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
30
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
95

Otherwise Unclassified Properties

Base Metal Price, % relative 27
10
Density, g/cm3 8.3
2.8
Embodied Carbon, kg CO2/kg material 2.7
7.8
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 300
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
14
Resilience: Unit (Modulus of Resilience), kJ/m3 160
110
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
49
Strength to Weight: Axial, points 16
25
Strength to Weight: Bending, points 16
32
Thermal Diffusivity, mm2/s 8.3
54
Thermal Shock Resistance, points 17
12

Alloy Composition

Aluminum (Al), % 0 to 0.5
88.4 to 92.9
Copper (Cu), % 79 to 85
2.6 to 3.6
Iron (Fe), % 0
0 to 0.6
Lead (Pb), % 0 to 0.5
0 to 0.1
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.55
Nickel (Ni), % 0
0 to 0.1
Silicon (Si), % 3.0 to 5.0
4.5 to 6.0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 12 to 16
0 to 0.2
Residuals, % 0
0 to 0.15