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C68100 Brass vs. EN AC-71100 Aluminum

C68100 brass belongs to the copper alloys classification, while EN AC-71100 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 C68100 brass and the bottom bar is EN AC-71100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
72
Elongation at Break, % 29
1.1
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 380
260
Tensile Strength: Yield (Proof), MPa 140
230

Thermal Properties

Latent Heat of Fusion, J/g 170
490
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 890
580
Melting Onset (Solidus), °C 870
520
Specific Heat Capacity, J/kg-K 390
860
Thermal Expansion, µm/m-K 21
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
32
Electrical Conductivity: Equal Weight (Specific), % IACS 27
97

Otherwise Unclassified Properties

Base Metal Price, % relative 23
9.5
Density, g/cm3 7.9
2.9
Embodied Carbon, kg CO2/kg material 2.8
7.4
Embodied Energy, MJ/kg 47
140
Embodied Water, L/kg 330
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
2.8
Resilience: Unit (Modulus of Resilience), kJ/m3 94
360
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
47
Strength to Weight: Axial, points 13
25
Strength to Weight: Bending, points 15
31
Thermal Shock Resistance, points 13
12

Alloy Composition

Aluminum (Al), % 0 to 0.010
78.7 to 83.3
Copper (Cu), % 56 to 60
0 to 0.1
Iron (Fe), % 0.25 to 1.3
0 to 0.3
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
0.2 to 0.5
Manganese (Mn), % 0.010 to 0.5
0 to 0.15
Silicon (Si), % 0.040 to 0.15
7.5 to 9.5
Tin (Sn), % 0.75 to 1.1
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 36.4 to 43
9.0 to 10.5
Residuals, % 0
0 to 0.15