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C99400 Brass vs. 1050 Aluminum

C99400 brass belongs to the copper alloys classification, while 1050 aluminum belongs to the aluminum alloys. There are 24 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 C99400 brass and the bottom bar is 1050 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
68
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
26
Tensile Strength: Ultimate (UTS), MPa 460 to 550
76 to 140
Tensile Strength: Yield (Proof), MPa 230 to 370
25 to 120

Thermal Properties

Latent Heat of Fusion, J/g 230
400
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1070
640
Melting Onset (Solidus), °C 1020
650
Specific Heat Capacity, J/kg-K 400
900
Thermal Expansion, µm/m-K 17
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
61
Electrical Conductivity: Equal Weight (Specific), % IACS 17
200

Otherwise Unclassified Properties

Base Metal Price, % relative 30
9.5
Density, g/cm3 8.7
2.7
Embodied Carbon, kg CO2/kg material 2.8
8.3
Embodied Energy, MJ/kg 45
160
Embodied Water, L/kg 310
1200

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 590
4.6 to 110
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 15 to 17
7.8 to 14
Strength to Weight: Bending, points 15 to 17
15 to 22
Thermal Shock Resistance, points 16 to 19
3.4 to 6.2

Alloy Composition

Aluminum (Al), % 0.5 to 2.0
99.5 to 100
Copper (Cu), % 83.5 to 96.5
0 to 0.050
Iron (Fe), % 1.0 to 3.0
0 to 0.4
Lead (Pb), % 0 to 0.25
0
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.5
0 to 0.050
Nickel (Ni), % 1.0 to 3.5
0
Silicon (Si), % 0.5 to 2.0
0 to 0.25
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0.5 to 5.0
0 to 0.050
Residuals, % 0 to 0.3
0