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C27000 Brass vs. EN AC-45000 Aluminum

C27000 brass belongs to the copper alloys classification, while EN AC-45000 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 C27000 brass and the bottom bar is EN AC-45000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
73
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 370 to 650
180

Thermal Properties

Latent Heat of Fusion, J/g 180
470
Maximum Temperature: Mechanical, °C 130
180
Melting Completion (Liquidus), °C 930
640
Melting Onset (Solidus), °C 900
520
Specific Heat Capacity, J/kg-K 390
870
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 20
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
27
Electrical Conductivity: Equal Weight (Specific), % IACS 30
81

Otherwise Unclassified Properties

Base Metal Price, % relative 24
11
Density, g/cm3 8.1
3.0
Embodied Carbon, kg CO2/kg material 2.7
7.7
Embodied Energy, MJ/kg 45
140
Embodied Water, L/kg 320
1070

Common Calculations

Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
47
Strength to Weight: Axial, points 13 to 22
17
Strength to Weight: Bending, points 14 to 21
24
Thermal Diffusivity, mm2/s 37
47
Thermal Shock Resistance, points 12 to 22
8.0

Alloy Composition

Aluminum (Al), % 0
82.2 to 91.8
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 63 to 68.5
3.0 to 5.0
Iron (Fe), % 0 to 0.1
0 to 1.0
Lead (Pb), % 0 to 0.070
0 to 0.3
Magnesium (Mg), % 0
0 to 0.55
Manganese (Mn), % 0
0.2 to 0.65
Nickel (Ni), % 0
0 to 0.45
Silicon (Si), % 0
5.0 to 7.0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 31 to 37
0 to 2.0
Residuals, % 0
0 to 0.35