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C355.0 Aluminum vs. C99750 Brass

C355.0 aluminum belongs to the aluminum alloys classification, while C99750 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 C355.0 aluminum and the bottom bar is C99750 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 86 to 90
110 to 120
Elastic (Young's, Tensile) Modulus, GPa 70
130
Elongation at Break, % 2.7 to 3.8
20 to 30
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
48
Tensile Strength: Ultimate (UTS), MPa 290 to 310
450 to 520
Tensile Strength: Yield (Proof), MPa 200 to 230
220 to 280

Thermal Properties

Latent Heat of Fusion, J/g 470
200
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 620
840
Melting Onset (Solidus), °C 570
820
Specific Heat Capacity, J/kg-K 900
410
Thermal Expansion, µm/m-K 22
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 2.7
8.1
Embodied Carbon, kg CO2/kg material 8.0
3.1
Embodied Energy, MJ/kg 150
51
Embodied Water, L/kg 1120
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.5 to 9.8
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 380
190 to 300
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 51
21
Strength to Weight: Axial, points 30 to 32
15 to 18
Strength to Weight: Bending, points 36 to 37
16 to 18
Thermal Shock Resistance, points 13 to 14
13 to 15

Alloy Composition

Aluminum (Al), % 91.7 to 94.1
0.25 to 3.0
Copper (Cu), % 1.0 to 1.5
55 to 61
Iron (Fe), % 0 to 0.2
0 to 1.0
Lead (Pb), % 0
0.5 to 2.5
Magnesium (Mg), % 0.4 to 0.6
0
Manganese (Mn), % 0 to 0.1
17 to 23
Nickel (Ni), % 0
0 to 5.0
Silicon (Si), % 4.5 to 5.5
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
17 to 23
Residuals, % 0
0 to 0.3