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5056 Aluminum vs. C34500 Brass

5056 aluminum belongs to the aluminum alloys classification, while C34500 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 5056 aluminum and the bottom bar is C34500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
100
Elongation at Break, % 4.9 to 31
12 to 28
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 25
40
Shear Strength, MPa 170 to 240
220 to 260
Tensile Strength: Ultimate (UTS), MPa 290 to 460
340 to 430
Tensile Strength: Yield (Proof), MPa 150 to 410
120 to 180

Thermal Properties

Latent Heat of Fusion, J/g 400
170
Maximum Temperature: Mechanical, °C 190
120
Melting Completion (Liquidus), °C 640
910
Melting Onset (Solidus), °C 570
890
Specific Heat Capacity, J/kg-K 910
380
Thermal Conductivity, W/m-K 130
120
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
26
Electrical Conductivity: Equal Weight (Specific), % IACS 99
29

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
24
Density, g/cm3 2.7
8.2
Embodied Carbon, kg CO2/kg material 9.0
2.6
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1180
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 140
42 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 1220
69 to 160
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 51
19
Strength to Weight: Axial, points 30 to 48
12 to 15
Strength to Weight: Bending, points 36 to 50
13 to 16
Thermal Diffusivity, mm2/s 53
37
Thermal Shock Resistance, points 13 to 20
11 to 14

Alloy Composition

Aluminum (Al), % 93 to 95.4
0
Chromium (Cr), % 0.050 to 0.2
0
Copper (Cu), % 0 to 0.1
62 to 65
Iron (Fe), % 0 to 0.4
0 to 0.15
Lead (Pb), % 0
1.5 to 2.5
Magnesium (Mg), % 4.5 to 5.6
0
Manganese (Mn), % 0.050 to 0.2
0
Silicon (Si), % 0 to 0.3
0
Zinc (Zn), % 0 to 0.1
32 to 36.5
Residuals, % 0
0 to 0.4