C23400 Brass vs. EN AC-44500 Aluminum

C23400 brass belongs to the copper alloys classification, while EN AC-44500 aluminum belongs to the aluminum alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, 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 C23400 brass and the bottom bar is EN AC-44500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		72

Poisson's Ratio		0.32
Poisson's Ratio		0.33

Shear Modulus, GPa		42
Shear Modulus, GPa		27

Tensile Strength: Ultimate (UTS), MPa		370 to 640
Tensile Strength: Ultimate (UTS), MPa		270

Thermal Properties

Latent Heat of Fusion, J/g		190
Latent Heat of Fusion, J/g		570

Maximum Temperature: Mechanical, °C		160
Maximum Temperature: Mechanical, °C		170

Melting Completion (Liquidus), °C		970
Melting Completion (Liquidus), °C		590

Melting Onset (Solidus), °C		930
Melting Onset (Solidus), °C		580

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		900

Thermal Conductivity, W/m-K		120
Thermal Conductivity, W/m-K		130

Thermal Expansion, µm/m-K		19
Thermal Expansion, µm/m-K		21

Otherwise Unclassified Properties

Base Metal Price, % relative		27
Base Metal Price, % relative		9.5

Density, g/cm³		8.5
Density, g/cm³		2.5

Embodied Carbon, kg CO₂/kg material		2.6
Embodied Carbon, kg CO₂/kg material		7.7

Embodied Energy, MJ/kg		43
Embodied Energy, MJ/kg		140

Embodied Water, L/kg		320
Embodied Water, L/kg		1050

Common Calculations

Stiffness to Weight: Axial, points		7.2
Stiffness to Weight: Axial, points		16

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		55

Strength to Weight: Axial, points		12 to 21
Strength to Weight: Axial, points		29

Strength to Weight: Bending, points		13 to 19
Strength to Weight: Bending, points		36

Thermal Diffusivity, mm²/s		36
Thermal Diffusivity, mm²/s		57

Thermal Shock Resistance, points		12 to 22
Thermal Shock Resistance, points		13

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		83.7 to 89.5

Copper (Cu), %		81 to 84
Copper (Cu), %		0 to 0.2

Iron (Fe), %		0 to 0.050
Iron (Fe), %		0 to 1.0

Lead (Pb), %		0 to 0.050
Lead (Pb), %		0

Magnesium (Mg), %		0
Magnesium (Mg), %		0 to 0.4

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.55

Silicon (Si), %		0
Silicon (Si), %		10.5 to 13.5

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.15

Zinc (Zn), %		15.7 to 19
Zinc (Zn), %		0 to 0.3

Residuals, %		0
Residuals, %		0 to 0.25