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383.0 Aluminum vs. C69700 Brass

383.0 aluminum belongs to the aluminum alloys classification, while C69700 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, 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 383.0 aluminum and the bottom bar is C69700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
110
Elongation at Break, % 3.5
25
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 28
41
Tensile Strength: Ultimate (UTS), MPa 280
470
Tensile Strength: Yield (Proof), MPa 150
230

Thermal Properties

Latent Heat of Fusion, J/g 540
240
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 580
930
Melting Onset (Solidus), °C 540
880
Specific Heat Capacity, J/kg-K 880
400
Thermal Conductivity, W/m-K 96
43
Thermal Expansion, µm/m-K 21
19

Otherwise Unclassified Properties

Base Metal Price, % relative 10
26
Density, g/cm3 2.8
8.3
Embodied Carbon, kg CO2/kg material 7.5
2.7
Embodied Energy, MJ/kg 140
44
Embodied Water, L/kg 1030
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.2
99
Resilience: Unit (Modulus of Resilience), kJ/m3 150
250
Stiffness to Weight: Axial, points 15
7.3
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 28
16
Strength to Weight: Bending, points 34
16
Thermal Diffusivity, mm2/s 39
13
Thermal Shock Resistance, points 13
16

Alloy Composition

Aluminum (Al), % 79.7 to 88.5
0
Copper (Cu), % 2.0 to 3.0
75 to 80
Iron (Fe), % 0 to 1.3
0 to 0.2
Lead (Pb), % 0
0.5 to 1.5
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 0.4
Nickel (Ni), % 0 to 0.3
0
Silicon (Si), % 9.5 to 11.5
2.5 to 3.5
Tin (Sn), % 0 to 0.15
0
Zinc (Zn), % 0 to 3.0
13.9 to 22
Residuals, % 0
0 to 0.5