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S32202 Stainless Steel vs. 1080A Aluminum

S32202 stainless steel belongs to the iron alloys classification, while 1080A aluminum belongs to the aluminum alloys. There are 31 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 S32202 stainless steel and the bottom bar is 1080A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
18 to 40
Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 34
2.3 to 34
Fatigue Strength, MPa 400
18 to 50
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 79
26
Shear Strength, MPa 490
49 to 81
Tensile Strength: Ultimate (UTS), MPa 730
74 to 140
Tensile Strength: Yield (Proof), MPa 510
17 to 120

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Maximum Temperature: Mechanical, °C 1030
170
Melting Completion (Liquidus), °C 1430
640
Melting Onset (Solidus), °C 1380
640
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 15
230
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
62
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
200

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
8.3
Embodied Energy, MJ/kg 37
160
Embodied Water, L/kg 150
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
3.1 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 650
2.1 to 100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 27
7.6 to 15
Strength to Weight: Bending, points 24
14 to 22
Thermal Diffusivity, mm2/s 4.0
94
Thermal Shock Resistance, points 20
3.3 to 6.4

Alloy Composition

Aluminum (Al), % 0
99.8 to 100
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 21.5 to 24
0
Copper (Cu), % 0
0 to 0.030
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 69.4 to 77.3
0 to 0.15
Magnesium (Mg), % 0
0 to 0.020
Manganese (Mn), % 0 to 2.0
0 to 0.020
Molybdenum (Mo), % 0 to 0.45
0
Nickel (Ni), % 1.0 to 2.8
0
Nitrogen (N), % 0.18 to 0.26
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0
0 to 0.060