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S46500 Stainless Steel vs. A206.0 Aluminum

S46500 stainless steel belongs to the iron alloys classification, while A206.0 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, 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 S46500 stainless steel and the bottom bar is A206.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Elongation at Break, % 2.3 to 14
4.2 to 10
Fatigue Strength, MPa 550 to 890
90 to 180
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 75
26
Shear Strength, MPa 730 to 1120
260
Tensile Strength: Ultimate (UTS), MPa 1260 to 1930
390 to 440
Tensile Strength: Yield (Proof), MPa 1120 to 1810
250 to 380

Thermal Properties

Latent Heat of Fusion, J/g 280
390
Maximum Temperature: Mechanical, °C 780
170
Melting Completion (Liquidus), °C 1450
670
Melting Onset (Solidus), °C 1410
550
Specific Heat Capacity, J/kg-K 470
880
Thermal Expansion, µm/m-K 11
23

Otherwise Unclassified Properties

Base Metal Price, % relative 15
11
Density, g/cm3 7.9
3.0
Embodied Carbon, kg CO2/kg material 3.6
8.0
Embodied Energy, MJ/kg 51
150
Embodied Water, L/kg 120
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43 to 210
16 to 37
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
46
Strength to Weight: Axial, points 44 to 68
36 to 41
Strength to Weight: Bending, points 33 to 44
39 to 43
Thermal Shock Resistance, points 44 to 67
17 to 19

Alloy Composition

Aluminum (Al), % 0
93.9 to 95.7
Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 11 to 12.5
0
Copper (Cu), % 0
4.2 to 5.0
Iron (Fe), % 72.6 to 76.1
0 to 0.1
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0 to 0.25
0 to 0.2
Molybdenum (Mo), % 0.75 to 1.3
0
Nickel (Ni), % 10.7 to 11.3
0 to 0.050
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.25
0 to 0.050
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 1.5 to 1.8
0.15 to 0.3
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15