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C66900 Brass vs. 383.0 Aluminum

C66900 brass belongs to the copper alloys classification, while 383.0 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, 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 C66900 brass and the bottom bar is 383.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
73
Elongation at Break, % 1.1 to 26
3.5
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 45
28
Tensile Strength: Ultimate (UTS), MPa 460 to 770
280
Tensile Strength: Yield (Proof), MPa 330 to 760
150

Thermal Properties

Latent Heat of Fusion, J/g 190
540
Maximum Temperature: Mechanical, °C 150
170
Melting Completion (Liquidus), °C 860
580
Melting Onset (Solidus), °C 850
540
Specific Heat Capacity, J/kg-K 400
880
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
23
Electrical Conductivity: Equal Weight (Specific), % IACS 3.8
74

Otherwise Unclassified Properties

Base Metal Price, % relative 23
10
Density, g/cm3 8.2
2.8
Embodied Carbon, kg CO2/kg material 2.8
7.5
Embodied Energy, MJ/kg 46
140
Embodied Water, L/kg 310
1030

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.6 to 200
8.2
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2450
150
Stiffness to Weight: Axial, points 8.1
15
Stiffness to Weight: Bending, points 20
50
Strength to Weight: Axial, points 15 to 26
28
Strength to Weight: Bending, points 16 to 23
34
Thermal Shock Resistance, points 14 to 23
13

Alloy Composition

Aluminum (Al), % 0
79.7 to 88.5
Copper (Cu), % 62.5 to 64.5
2.0 to 3.0
Iron (Fe), % 0 to 0.25
0 to 1.3
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 11.5 to 12.5
0 to 0.5
Nickel (Ni), % 0
0 to 0.3
Silicon (Si), % 0
9.5 to 11.5
Tin (Sn), % 0
0 to 0.15
Zinc (Zn), % 22.5 to 26
0 to 3.0
Residuals, % 0
0 to 0.5