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7049A Aluminum vs. C33000 Brass

7049A aluminum belongs to the aluminum alloys classification, while C33000 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 7049A aluminum and the bottom bar is C33000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 5.0 to 5.7
7.0 to 60
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 27
40
Shear Strength, MPa 340 to 350
240 to 300
Tensile Strength: Ultimate (UTS), MPa 580 to 590
320 to 520
Tensile Strength: Yield (Proof), MPa 500 to 530
110 to 450

Thermal Properties

Latent Heat of Fusion, J/g 370
180
Maximum Temperature: Mechanical, °C 200
130
Melting Completion (Liquidus), °C 640
940
Melting Onset (Solidus), °C 430
900
Specific Heat Capacity, J/kg-K 850
390
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 24
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
26
Electrical Conductivity: Equal Weight (Specific), % IACS 120
29

Otherwise Unclassified Properties

Base Metal Price, % relative 10
24
Density, g/cm3 3.1
8.2
Embodied Carbon, kg CO2/kg material 8.2
2.7
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1100
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28 to 32
35 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 1800 to 1990
60 to 950
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 44
19
Strength to Weight: Axial, points 52 to 53
11 to 18
Strength to Weight: Bending, points 50 to 51
13 to 18
Thermal Diffusivity, mm2/s 50
37
Thermal Shock Resistance, points 25
11 to 17

Alloy Composition

Aluminum (Al), % 84.6 to 89.5
0
Chromium (Cr), % 0.050 to 0.25
0
Copper (Cu), % 1.2 to 1.9
65 to 68
Iron (Fe), % 0 to 0.5
0 to 0.070
Lead (Pb), % 0
0.25 to 0.7
Magnesium (Mg), % 2.1 to 3.1
0
Manganese (Mn), % 0 to 0.5
0
Silicon (Si), % 0 to 0.4
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 7.2 to 8.4
30.8 to 34.8
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.4