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5182 Aluminum vs. S30601 Stainless Steel

5182 aluminum belongs to the aluminum alloys classification, while S30601 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, 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 S30601 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 1.1 to 12
37
Fatigue Strength, MPa 100 to 130
250
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 25
75
Shear Strength, MPa 170 to 240
450
Tensile Strength: Ultimate (UTS), MPa 280 to 420
660
Tensile Strength: Yield (Proof), MPa 130 to 360
300

Thermal Properties

Latent Heat of Fusion, J/g 390
370
Maximum Temperature: Mechanical, °C 180
950
Melting Completion (Liquidus), °C 640
1360
Melting Onset (Solidus), °C 590
1310
Specific Heat Capacity, J/kg-K 900
500
Thermal Expansion, µm/m-K 24
15

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
20
Density, g/cm3 2.7
7.6
Embodied Carbon, kg CO2/kg material 8.9
3.9
Embodied Energy, MJ/kg 150
55
Embodied Water, L/kg 1180
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 49
200
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 950
230
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 Shock Resistance, points 12 to 19
16

Alloy Composition

Aluminum (Al), % 93.2 to 95.8
0
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0 to 0.1
17 to 18
Copper (Cu), % 0 to 0.15
0 to 0.35
Iron (Fe), % 0 to 0.35
56.9 to 60.5
Magnesium (Mg), % 4.0 to 5.0
0
Manganese (Mn), % 0.2 to 0.5
0.5 to 0.8
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0
17 to 18
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
5.0 to 5.6
Sulfur (S), % 0
0 to 0.013
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0