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C69300 Brass vs. 6106 Aluminum

C69300 brass belongs to the copper alloys classification, while 6106 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 C69300 brass and the bottom bar is 6106 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 8.5 to 15
9.1
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
26
Shear Strength, MPa 330 to 370
170
Tensile Strength: Ultimate (UTS), MPa 550 to 630
290
Tensile Strength: Yield (Proof), MPa 300 to 390
220

Thermal Properties

Latent Heat of Fusion, J/g 240
400
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 880
660
Melting Onset (Solidus), °C 860
610
Specific Heat Capacity, J/kg-K 400
900
Thermal Conductivity, W/m-K 38
190
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
49
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
160

Otherwise Unclassified Properties

Base Metal Price, % relative 26
9.5
Density, g/cm3 8.2
2.7
Embodied Carbon, kg CO2/kg material 2.7
8.3
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 310
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 47 to 70
24
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 700
370
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 19 to 21
29
Strength to Weight: Bending, points 18 to 20
35
Thermal Diffusivity, mm2/s 12
78
Thermal Shock Resistance, points 19 to 22
13

Alloy Composition

Aluminum (Al), % 0
97.2 to 99.3
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 73 to 77
0 to 0.25
Iron (Fe), % 0 to 0.1
0 to 0.35
Lead (Pb), % 0 to 0.090
0
Magnesium (Mg), % 0
0.4 to 0.8
Manganese (Mn), % 0 to 0.1
0.050 to 0.2
Nickel (Ni), % 0 to 0.1
0
Phosphorus (P), % 0.040 to 0.15
0
Silicon (Si), % 2.7 to 3.4
0.3 to 0.6
Tin (Sn), % 0 to 0.2
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 18.4 to 24.3
0 to 0.15
Residuals, % 0
0 to 0.15