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S44735 Stainless Steel vs. 6106 Aluminum

S44735 stainless steel belongs to the iron alloys classification, while 6106 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, 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 S44735 stainless steel and the bottom bar is 6106 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
69
Elongation at Break, % 21
9.1
Fatigue Strength, MPa 300
88
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 82
26
Shear Strength, MPa 390
170
Tensile Strength: Ultimate (UTS), MPa 630
290
Tensile Strength: Yield (Proof), MPa 460
220

Thermal Properties

Latent Heat of Fusion, J/g 310
400
Maximum Temperature: Mechanical, °C 1100
160
Melting Completion (Liquidus), °C 1460
660
Melting Onset (Solidus), °C 1420
610
Specific Heat Capacity, J/kg-K 480
900
Thermal Expansion, µm/m-K 11
23

Otherwise Unclassified Properties

Base Metal Price, % relative 21
9.5
Density, g/cm3 7.7
2.7
Embodied Carbon, kg CO2/kg material 4.4
8.3
Embodied Energy, MJ/kg 61
150
Embodied Water, L/kg 180
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
24
Resilience: Unit (Modulus of Resilience), kJ/m3 520
370
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
50
Strength to Weight: Axial, points 23
29
Strength to Weight: Bending, points 21
35
Thermal Shock Resistance, points 20
13

Alloy Composition

Aluminum (Al), % 0
97.2 to 99.3
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 28 to 30
0 to 0.2
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 60.7 to 68.4
0 to 0.35
Magnesium (Mg), % 0
0.4 to 0.8
Manganese (Mn), % 0 to 1.0
0.050 to 0.2
Molybdenum (Mo), % 3.6 to 4.2
0
Nickel (Ni), % 0 to 1.0
0
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0.3 to 0.6
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0.2 to 1.0
0 to 0.1
Zinc (Zn), % 0
0 to 0.15
Residuals, % 0
0 to 0.15