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5182 Aluminum vs. C90500 Gun Metal

5182 aluminum belongs to the aluminum alloys classification, while C90500 gun metal 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 5182 aluminum and the bottom bar is C90500 gun metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 1.1 to 12
20
Fatigue Strength, MPa 100 to 130
90
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 25
40
Tensile Strength: Ultimate (UTS), MPa 280 to 420
320
Tensile Strength: Yield (Proof), MPa 130 to 360
160

Thermal Properties

Latent Heat of Fusion, J/g 390
190
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
1000
Melting Onset (Solidus), °C 590
850
Specific Heat Capacity, J/kg-K 900
370
Thermal Conductivity, W/m-K 130
75
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
11
Electrical Conductivity: Equal Weight (Specific), % IACS 94
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
35
Density, g/cm3 2.7
8.7
Embodied Carbon, kg CO2/kg material 8.9
3.6
Embodied Energy, MJ/kg 150
59
Embodied Water, L/kg 1180
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 49
54
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 950
110
Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 51
18
Strength to Weight: Axial, points 29 to 44
10
Strength to Weight: Bending, points 36 to 47
12
Thermal Diffusivity, mm2/s 53
23
Thermal Shock Resistance, points 12 to 19
12

Alloy Composition

Aluminum (Al), % 93.2 to 95.8
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.15
86 to 89
Iron (Fe), % 0 to 0.35
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Magnesium (Mg), % 4.0 to 5.0
0
Manganese (Mn), % 0.2 to 0.5
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.2
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
9.0 to 11
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
1.0 to 3.0
Residuals, % 0
0 to 0.3