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C66200 Brass vs. 4045 Aluminum

C66200 brass belongs to the copper alloys classification, while 4045 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 C66200 brass and the bottom bar is 4045 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 8.0 to 15
2.3
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
27
Shear Strength, MPa 270 to 300
69
Tensile Strength: Ultimate (UTS), MPa 450 to 520
120
Tensile Strength: Yield (Proof), MPa 410 to 480
64

Thermal Properties

Latent Heat of Fusion, J/g 200
540
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 1070
600
Melting Onset (Solidus), °C 1030
580
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 150
170
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
45
Electrical Conductivity: Equal Weight (Specific), % IACS 36
160

Otherwise Unclassified Properties

Base Metal Price, % relative 29
9.5
Density, g/cm3 8.7
2.6
Embodied Carbon, kg CO2/kg material 2.7
7.8
Embodied Energy, MJ/kg 43
150
Embodied Water, L/kg 320
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40 to 66
2.4
Resilience: Unit (Modulus of Resilience), kJ/m3 760 to 1030
29
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 19
54
Strength to Weight: Axial, points 14 to 17
13
Strength to Weight: Bending, points 15 to 16
21
Thermal Diffusivity, mm2/s 45
74
Thermal Shock Resistance, points 16 to 18
5.7

Alloy Composition

Aluminum (Al), % 0
87.4 to 91
Copper (Cu), % 86.6 to 91
0 to 0.3
Iron (Fe), % 0 to 0.050
0 to 0.8
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.050
Nickel (Ni), % 0.3 to 1.0
0
Phosphorus (P), % 0.050 to 0.2
0
Silicon (Si), % 0
9.0 to 11
Tin (Sn), % 0.2 to 0.7
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 6.5 to 12.9
0 to 0.1
Residuals, % 0
0 to 0.15