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5182 Aluminum vs. AISI 304Cu Stainless Steel

5182 aluminum belongs to the aluminum alloys classification, while AISI 304Cu stainless steel belongs to the iron alloys. There are 30 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 AISI 304Cu stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 1.1 to 12
45
Fatigue Strength, MPa 100 to 130
190
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 25
76
Shear Strength, MPa 170 to 240
370
Tensile Strength: Ultimate (UTS), MPa 280 to 420
530
Tensile Strength: Yield (Proof), MPa 130 to 360
210

Thermal Properties

Latent Heat of Fusion, J/g 390
290
Maximum Temperature: Mechanical, °C 180
930
Melting Completion (Liquidus), °C 640
1410
Melting Onset (Solidus), °C 590
1370
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 130
13
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 94
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
16
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.9
3.0
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1180
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 49
190
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 950
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 29 to 44
19
Strength to Weight: Bending, points 36 to 47
19
Thermal Diffusivity, mm2/s 53
3.5
Thermal Shock Resistance, points 12 to 19
12

Alloy Composition

Aluminum (Al), % 93.2 to 95.8
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.1
17 to 19
Copper (Cu), % 0 to 0.15
3.0 to 4.0
Iron (Fe), % 0 to 0.35
63.9 to 72
Magnesium (Mg), % 4.0 to 5.0
0
Manganese (Mn), % 0.2 to 0.5
0 to 2.0
Nickel (Ni), % 0
8.0 to 10
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0