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5154A-O Aluminum vs. Annealed S46500 Stainless Steel

5154A-O aluminum belongs to the aluminum alloys classification, while annealed S46500 stainless steel belongs to the iron 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 5154A-O aluminum and the bottom bar is annealed S46500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 19
4.6
Fatigue Strength, MPa 100
550
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
75
Shear Strength, MPa 150
730
Tensile Strength: Ultimate (UTS), MPa 240
1260
Tensile Strength: Yield (Proof), MPa 96
1160

Thermal Properties

Latent Heat of Fusion, J/g 400
280
Maximum Temperature: Mechanical, °C 190
780
Melting Completion (Liquidus), °C 650
1450
Melting Onset (Solidus), °C 600
1410
Specific Heat Capacity, J/kg-K 900
470
Thermal Expansion, µm/m-K 24
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
15
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.8
3.6
Embodied Energy, MJ/kg 150
51
Embodied Water, L/kg 1180
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
56
Resilience: Unit (Modulus of Resilience), kJ/m3 68
3470
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 24
44
Strength to Weight: Bending, points 31
33
Thermal Shock Resistance, points 10
44

Alloy Composition

Aluminum (Al), % 93.7 to 96.9
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0 to 0.25
11 to 12.5
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.5
72.6 to 76.1
Magnesium (Mg), % 3.1 to 3.9
0
Manganese (Mn), % 0 to 0.5
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), % 0 to 0.5
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 0.2
0
Residuals, % 0 to 0.15
0