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S32202 Stainless Steel vs. EN AC-41000 Aluminum

S32202 stainless steel belongs to the iron alloys classification, while EN AC-41000 aluminum belongs to the aluminum 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 S32202 stainless steel and the bottom bar is EN AC-41000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
57 to 97
Elastic (Young's, Tensile) Modulus, GPa 200
69
Elongation at Break, % 34
4.5
Fatigue Strength, MPa 400
58 to 71
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 79
26
Tensile Strength: Ultimate (UTS), MPa 730
170 to 280
Tensile Strength: Yield (Proof), MPa 510
80 to 210

Thermal Properties

Latent Heat of Fusion, J/g 290
420
Maximum Temperature: Mechanical, °C 1030
170
Melting Completion (Liquidus), °C 1430
640
Melting Onset (Solidus), °C 1380
630
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 15
170
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
38
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
130

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 7.7
2.7
Embodied Carbon, kg CO2/kg material 2.6
8.2
Embodied Energy, MJ/kg 37
150
Embodied Water, L/kg 150
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
6.4 to 11
Resilience: Unit (Modulus of Resilience), kJ/m3 650
46 to 300
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 27
18 to 29
Strength to Weight: Bending, points 24
26 to 35
Thermal Diffusivity, mm2/s 4.0
69
Thermal Shock Resistance, points 20
7.8 to 13

Alloy Composition

Aluminum (Al), % 0
95.2 to 97.6
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 21.5 to 24
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 69.4 to 77.3
0 to 0.6
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0.45 to 0.65
Manganese (Mn), % 0 to 2.0
0.3 to 0.5
Molybdenum (Mo), % 0 to 0.45
0
Nickel (Ni), % 1.0 to 2.8
0 to 0.050
Nitrogen (N), % 0.18 to 0.26
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
1.6 to 2.4
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0.050 to 0.2
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15