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354.0 Aluminum vs. S45500 Stainless Steel

354.0 aluminum belongs to the aluminum alloys classification, while S45500 stainless steel belongs to the iron 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 354.0 aluminum and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 2.4 to 3.0
3.4 to 11
Fatigue Strength, MPa 92 to 120
570 to 890
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
75
Tensile Strength: Ultimate (UTS), MPa 360 to 380
1370 to 1850
Tensile Strength: Yield (Proof), MPa 280 to 310
1240 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 530
270
Maximum Temperature: Mechanical, °C 170
760
Melting Completion (Liquidus), °C 600
1440
Melting Onset (Solidus), °C 550
1400
Specific Heat Capacity, J/kg-K 900
470
Thermal Expansion, µm/m-K 21
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
17
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 7.8
3.8
Embodied Energy, MJ/kg 150
57
Embodied Water, L/kg 1070
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.6 to 9.8
45 to 190
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 52
24
Strength to Weight: Axial, points 37 to 39
48 to 65
Strength to Weight: Bending, points 42 to 44
35 to 42
Thermal Shock Resistance, points 17 to 18
48 to 64

Alloy Composition


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Aluminum (Al), % 87.3 to 89.4
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
11 to 12.5
Copper (Cu), % 1.6 to 2.0
1.5 to 2.5
Iron (Fe), % 0 to 0.2
71.5 to 79.2
Magnesium (Mg), % 0.4 to 0.6
0
Manganese (Mn), % 0 to 0.1
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 8.6 to 9.4
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0 to 0.2
0.8 to 1.4
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0