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S32906 Stainless Steel vs. EN AC-43500 Aluminum

S32906 stainless steel belongs to the iron alloys classification, while EN AC-43500 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 S32906 stainless steel and the bottom bar is EN AC-43500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
68 to 91
Elastic (Young's, Tensile) Modulus, GPa 210
72
Elongation at Break, % 28
4.5 to 13
Fatigue Strength, MPa 460
62 to 100
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 81
27
Tensile Strength: Ultimate (UTS), MPa 850
220 to 300
Tensile Strength: Yield (Proof), MPa 620
140 to 170

Thermal Properties

Latent Heat of Fusion, J/g 300
550
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1430
600
Melting Onset (Solidus), °C 1380
590
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 13
140
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
38
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
130

Otherwise Unclassified Properties

Base Metal Price, % relative 20
9.5
Density, g/cm3 7.7
2.6
Embodied Carbon, kg CO2/kg material 3.7
7.8
Embodied Energy, MJ/kg 52
150
Embodied Water, L/kg 190
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
12 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 950
130 to 200
Stiffness to Weight: Axial, points 15
16
Stiffness to Weight: Bending, points 25
54
Strength to Weight: Axial, points 30
24 to 33
Strength to Weight: Bending, points 26
32 to 39
Thermal Diffusivity, mm2/s 3.6
60
Thermal Shock Resistance, points 23
10 to 14

Alloy Composition


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Aluminum (Al), % 0
86.4 to 90.5
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 28 to 30
0
Copper (Cu), % 0 to 0.8
0 to 0.050
Iron (Fe), % 56.6 to 63.6
0 to 0.25
Magnesium (Mg), % 0
0.1 to 0.6
Manganese (Mn), % 0.8 to 1.5
0.4 to 0.8
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
9.0 to 11.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.15