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S32906 Stainless Steel vs. 5005 Aluminum

S32906 stainless steel belongs to the iron alloys classification, while 5005 aluminum belongs to the aluminum alloys. There are 31 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 S32906 stainless steel and the bottom bar is 5005 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
28 to 64
Elastic (Young's, Tensile) Modulus, GPa 210
68
Elongation at Break, % 28
1.1 to 23
Fatigue Strength, MPa 460
38 to 86
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 81
26
Shear Strength, MPa 550
70 to 130
Tensile Strength: Ultimate (UTS), MPa 850
110 to 230
Tensile Strength: Yield (Proof), MPa 620
41 to 210

Thermal Properties

Latent Heat of Fusion, J/g 300
400
Maximum Temperature: Mechanical, °C 1100
180
Melting Completion (Liquidus), °C 1430
650
Melting Onset (Solidus), °C 1380
630
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 13
200
Thermal Expansion, µm/m-K 13
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
52
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
170

Otherwise Unclassified Properties

Base Metal Price, % relative 20
9.5
Density, g/cm3 7.7
2.7
Embodied Carbon, kg CO2/kg material 3.7
8.3
Embodied Energy, MJ/kg 52
150
Embodied Water, L/kg 190
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
2.3 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 950
12 to 320
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 30
11 to 23
Strength to Weight: Bending, points 26
19 to 31
Thermal Diffusivity, mm2/s 3.6
82
Thermal Shock Resistance, points 23
4.9 to 10

Alloy Composition

Aluminum (Al), % 0
97 to 99.5
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 28 to 30
0 to 0.1
Copper (Cu), % 0 to 0.8
0 to 0.2
Iron (Fe), % 56.6 to 63.6
0 to 0.7
Magnesium (Mg), % 0
0.5 to 1.1
Manganese (Mn), % 0.8 to 1.5
0 to 0.2
Molybdenum (Mo), % 1.5 to 2.6
0
Nickel (Ni), % 5.8 to 7.5
0
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0 to 0.3
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15