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514.0 Aluminum vs. S41050 Stainless Steel

514.0 aluminum belongs to the aluminum alloys classification, while S41050 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 514.0 aluminum and the bottom bar is S41050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 50
160
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 7.3
25
Fatigue Strength, MPa 48
160
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 25
76
Shear Strength, MPa 140
300
Tensile Strength: Ultimate (UTS), MPa 180
470
Tensile Strength: Yield (Proof), MPa 74
230

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Maximum Temperature: Mechanical, °C 170
720
Melting Completion (Liquidus), °C 640
1440
Melting Onset (Solidus), °C 610
1400
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 140
27
Thermal Expansion, µm/m-K 24
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 120
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
7.0
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.9
1.9
Embodied Energy, MJ/kg 150
27
Embodied Water, L/kg 1180
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
98
Resilience: Unit (Modulus of Resilience), kJ/m3 41
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 26
17
Thermal Diffusivity, mm2/s 57
7.2
Thermal Shock Resistance, points 7.9
17

Alloy Composition

Aluminum (Al), % 93.6 to 96.5
0
Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
10.5 to 12.5
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 0 to 0.5
84.2 to 88.9
Magnesium (Mg), % 3.5 to 4.5
0
Manganese (Mn), % 0 to 0.35
0 to 1.0
Nickel (Ni), % 0
0.6 to 1.1
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0