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5182 Aluminum vs. S31060 Stainless Steel

5182 aluminum belongs to the aluminum alloys classification, while S31060 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 S31060 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 1.1 to 12
46
Fatigue Strength, MPa 100 to 130
290
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 25
78
Shear Strength, MPa 170 to 240
480
Tensile Strength: Ultimate (UTS), MPa 280 to 420
680
Tensile Strength: Yield (Proof), MPa 130 to 360
310

Thermal Properties

Latent Heat of Fusion, J/g 390
290
Maximum Temperature: Mechanical, °C 180
1080
Melting Completion (Liquidus), °C 640
1420
Melting Onset (Solidus), °C 590
1370
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 130
15
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 94
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.9
3.4
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 1180
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 49
260
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 950
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 29 to 44
24
Strength to Weight: Bending, points 36 to 47
22
Thermal Diffusivity, mm2/s 53
4.0
Thermal Shock Resistance, points 12 to 19
15

Alloy Composition

Aluminum (Al), % 93.2 to 95.8
0
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0
0.050 to 0.1
Cerium (Ce), % 0
0 to 0.070
Chromium (Cr), % 0 to 0.1
22 to 24
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 0 to 0.35
61.4 to 67.8
Lanthanum (La), % 0
0 to 0.070
Magnesium (Mg), % 4.0 to 5.0
0
Manganese (Mn), % 0.2 to 0.5
0 to 1.0
Nickel (Ni), % 0
10 to 12.5
Nitrogen (N), % 0
0.18 to 0.25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 0.5
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