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C69400 Brass vs. EN AC-51200 Aluminum

C69400 brass belongs to the copper alloys classification, while EN AC-51200 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-51200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
67
Elongation at Break, % 17
1.1
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
25
Tensile Strength: Ultimate (UTS), MPa 570
220
Tensile Strength: Yield (Proof), MPa 270
150

Thermal Properties

Latent Heat of Fusion, J/g 260
410
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 920
640
Melting Onset (Solidus), °C 820
570
Specific Heat Capacity, J/kg-K 410
910
Thermal Conductivity, W/m-K 26
92
Thermal Expansion, µm/m-K 18
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
22
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
74

Otherwise Unclassified Properties

Base Metal Price, % relative 27
9.5
Density, g/cm3 8.3
2.6
Embodied Carbon, kg CO2/kg material 2.7
9.6
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 300
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
2.2
Resilience: Unit (Modulus of Resilience), kJ/m3 340
160
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
51
Strength to Weight: Axial, points 19
24
Strength to Weight: Bending, points 18
31
Thermal Diffusivity, mm2/s 7.7
39
Thermal Shock Resistance, points 20
10

Alloy Composition

Aluminum (Al), % 0
84.5 to 92
Copper (Cu), % 80 to 83
0 to 0.1
Iron (Fe), % 0 to 0.2
0 to 1.0
Lead (Pb), % 0 to 0.3
0 to 0.1
Magnesium (Mg), % 0
8.0 to 10.5
Manganese (Mn), % 0
0 to 0.55
Nickel (Ni), % 0
0 to 0.1
Silicon (Si), % 3.5 to 4.5
0 to 2.5
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 11.5 to 16.5
0 to 0.25
Residuals, % 0
0 to 0.15