6182 Aluminum vs. C23400 Brass

6182 aluminum belongs to the aluminum alloys classification, while C23400 brass belongs to the copper 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 6182 aluminum and the bottom bar is C23400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		70
Elastic (Young's, Tensile) Modulus, GPa		110

Poisson's Ratio		0.33
Poisson's Ratio		0.32

Shear Modulus, GPa		26
Shear Modulus, GPa		42

Tensile Strength: Ultimate (UTS), MPa		230 to 320
Tensile Strength: Ultimate (UTS), MPa		370 to 640

Thermal Properties

Latent Heat of Fusion, J/g		410
Latent Heat of Fusion, J/g		190

Maximum Temperature: Mechanical, °C		190
Maximum Temperature: Mechanical, °C		160

Melting Completion (Liquidus), °C		640
Melting Completion (Liquidus), °C		970

Melting Onset (Solidus), °C		600
Melting Onset (Solidus), °C		930

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

Thermal Conductivity, W/m-K		160
Thermal Conductivity, W/m-K		120

Thermal Expansion, µm/m-K		23
Thermal Expansion, µm/m-K		19

Otherwise Unclassified Properties

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

Density, g/cm³		2.7
Density, g/cm³		8.5

Embodied Carbon, kg CO₂/kg material		8.4
Embodied Carbon, kg CO₂/kg material		2.6

Embodied Energy, MJ/kg		150
Embodied Energy, MJ/kg		43

Embodied Water, L/kg		1170
Embodied Water, L/kg		320

Common Calculations

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		7.2

Stiffness to Weight: Bending, points		50
Stiffness to Weight: Bending, points		19

Strength to Weight: Axial, points		23 to 32
Strength to Weight: Axial, points		12 to 21

Strength to Weight: Bending, points		30 to 38
Strength to Weight: Bending, points		13 to 19

Thermal Diffusivity, mm²/s		65
Thermal Diffusivity, mm²/s		36

Thermal Shock Resistance, points		10 to 14
Thermal Shock Resistance, points		12 to 22

Alloy Composition

Aluminum (Al), %		95 to 97.9
Aluminum (Al), %		0

Chromium (Cr), %		0 to 0.25
Chromium (Cr), %		0

Copper (Cu), %		0 to 0.1
Copper (Cu), %		81 to 84

Iron (Fe), %		0 to 0.5
Iron (Fe), %		0 to 0.050

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

Magnesium (Mg), %		0.7 to 1.2
Magnesium (Mg), %		0

Manganese (Mn), %		0.5 to 1.0
Manganese (Mn), %		0

Silicon (Si), %		0.9 to 1.3
Silicon (Si), %		0

Titanium (Ti), %		0 to 0.1
Titanium (Ti), %		0

Zinc (Zn), %		0 to 0.2
Zinc (Zn), %		15.7 to 19

Zirconium (Zr), %		0.050 to 0.2
Zirconium (Zr), %		0

Residuals, %		0
Residuals, %		0 to 0.2