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S46500 Stainless Steel vs. 204.0 Aluminum

S46500 stainless steel belongs to the iron alloys classification, while 204.0 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, 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 204.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
71
Elongation at Break, % 2.3 to 14
5.7 to 7.8
Fatigue Strength, MPa 550 to 890
63 to 77
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 75
27
Tensile Strength: Ultimate (UTS), MPa 1260 to 1930
230 to 340
Tensile Strength: Yield (Proof), MPa 1120 to 1810
180 to 220

Thermal Properties

Latent Heat of Fusion, J/g 280
390
Maximum Temperature: Mechanical, °C 780
170
Melting Completion (Liquidus), °C 1450
650
Melting Onset (Solidus), °C 1410
580
Specific Heat Capacity, J/kg-K 470
880
Thermal Expansion, µm/m-K 11
19

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
12 to 23
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
46
Strength to Weight: Axial, points 44 to 68
21 to 31
Strength to Weight: Bending, points 33 to 44
28 to 36
Thermal Shock Resistance, points 44 to 67
12 to 18

Alloy Composition

Aluminum (Al), % 0
93.4 to 95.5
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 0.35
Magnesium (Mg), % 0
0.15 to 0.35
Manganese (Mn), % 0 to 0.25
0 to 0.1
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 0.2
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