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6012 Aluminum vs. S24000 Stainless Steel

6012 aluminum belongs to the aluminum alloys classification, while S24000 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, 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 6012 aluminum and the bottom bar is S24000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 9.1 to 11
39
Fatigue Strength, MPa 55 to 100
370
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Shear Strength, MPa 130 to 190
530
Tensile Strength: Ultimate (UTS), MPa 220 to 320
770
Tensile Strength: Yield (Proof), MPa 110 to 260
430

Thermal Properties

Latent Heat of Fusion, J/g 400
280
Maximum Temperature: Mechanical, °C 170
910
Melting Completion (Liquidus), °C 640
1390
Melting Onset (Solidus), °C 570
1350
Specific Heat Capacity, J/kg-K 890
480
Thermal Expansion, µm/m-K 23
17

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.9
7.6
Embodied Carbon, kg CO2/kg material 8.2
2.7
Embodied Energy, MJ/kg 150
39
Embodied Water, L/kg 1170
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 28
260
Resilience: Unit (Modulus of Resilience), kJ/m3 94 to 480
470
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 48
25
Strength to Weight: Axial, points 22 to 32
28
Strength to Weight: Bending, points 29 to 37
24
Thermal Shock Resistance, points 10 to 14
16

Alloy Composition

Aluminum (Al), % 92.2 to 98
0
Bismuth (Bi), % 0 to 0.7
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.3
17 to 19
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.5
61.5 to 69
Lead (Pb), % 0.4 to 2.0
0
Magnesium (Mg), % 0.6 to 1.2
0
Manganese (Mn), % 0.4 to 1.0
11.5 to 14.5
Nickel (Ni), % 0
2.3 to 3.7
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0.6 to 1.4
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.15
0