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354.0 Aluminum vs. S46500 Stainless Steel

354.0 aluminum belongs to the aluminum alloys classification, while S46500 stainless steel belongs to the iron alloys. There are 24 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 354.0 aluminum and the bottom bar is S46500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 2.4 to 3.0
2.3 to 14
Fatigue Strength, MPa 92 to 120
550 to 890
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
75
Tensile Strength: Ultimate (UTS), MPa 360 to 380
1260 to 1930
Tensile Strength: Yield (Proof), MPa 280 to 310
1120 to 1810

Thermal Properties

Latent Heat of Fusion, J/g 530
280
Maximum Temperature: Mechanical, °C 170
780
Melting Completion (Liquidus), °C 600
1450
Melting Onset (Solidus), °C 550
1410
Specific Heat Capacity, J/kg-K 900
470
Thermal Expansion, µm/m-K 21
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
15
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 7.8
3.6
Embodied Energy, MJ/kg 150
51
Embodied Water, L/kg 1070
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.6 to 9.8
43 to 210
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 52
25
Strength to Weight: Axial, points 37 to 39
44 to 68
Strength to Weight: Bending, points 42 to 44
33 to 44
Thermal Shock Resistance, points 17 to 18
44 to 67

Alloy Composition


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Aluminum (Al), % 87.3 to 89.4
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
11 to 12.5
Copper (Cu), % 1.6 to 2.0
0
Iron (Fe), % 0 to 0.2
72.6 to 76.1
Magnesium (Mg), % 0.4 to 0.6
0
Manganese (Mn), % 0 to 0.1
0 to 0.25
Molybdenum (Mo), % 0
0.75 to 1.3
Nickel (Ni), % 0
10.7 to 11.3
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 8.6 to 9.4
0 to 0.25
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.2
1.5 to 1.8
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0