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S41050 Stainless Steel vs. 514.0 Aluminum

S41050 stainless steel belongs to the iron alloys classification, while 514.0 aluminum belongs to the aluminum 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 S41050 stainless steel and the bottom bar is 514.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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