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C69300 Brass vs. 6063 Aluminum

C69300 brass belongs to the copper alloys classification, while 6063 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 6063 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 8.5 to 15
7.3 to 21
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
26
Shear Strength, MPa 330 to 370
70 to 190
Tensile Strength: Ultimate (UTS), MPa 550 to 630
110 to 300
Tensile Strength: Yield (Proof), MPa 300 to 390
49 to 270

Thermal Properties

Latent Heat of Fusion, J/g 240
400
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 880
650
Melting Onset (Solidus), °C 860
620
Specific Heat Capacity, J/kg-K 400
900
Thermal Conductivity, W/m-K 38
190 to 220
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
49 to 58
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
160 to 190

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
13 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 700
18 to 540
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 19 to 21
11 to 31
Strength to Weight: Bending, points 18 to 20
18 to 37
Thermal Diffusivity, mm2/s 12
79 to 89
Thermal Shock Resistance, points 19 to 22
4.8 to 13

Alloy Composition

Aluminum (Al), % 0
97.5 to 99.4
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 73 to 77
0 to 0.1
Iron (Fe), % 0 to 0.1
0 to 0.35
Lead (Pb), % 0 to 0.090
0
Magnesium (Mg), % 0
0.45 to 0.9
Manganese (Mn), % 0 to 0.1
0 to 0.1
Nickel (Ni), % 0 to 0.1
0
Phosphorus (P), % 0.040 to 0.15
0
Silicon (Si), % 2.7 to 3.4
0.2 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 0.1
Residuals, % 0
0 to 0.15