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5010 Aluminum vs. S41045 Stainless Steel

5010 aluminum belongs to the aluminum alloys classification, while S41045 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 5010 aluminum and the bottom bar is S41045 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 27 to 62
160
Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 1.1 to 23
25
Fatigue Strength, MPa 35 to 83
160
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Shear Strength, MPa 64 to 120
280
Tensile Strength: Ultimate (UTS), MPa 100 to 210
430
Tensile Strength: Yield (Proof), MPa 38 to 190
230

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Maximum Temperature: Mechanical, °C 180
740
Melting Completion (Liquidus), °C 650
1450
Melting Onset (Solidus), °C 630
1400
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 200
29
Thermal Expansion, µm/m-K 23
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 150
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
8.5
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.2
2.2
Embodied Energy, MJ/kg 150
31
Embodied Water, L/kg 1190
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3 to 20
92
Resilience: Unit (Modulus of Resilience), kJ/m3 10 to 270
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 10 to 22
16
Strength to Weight: Bending, points 18 to 29
16
Thermal Diffusivity, mm2/s 82
7.8
Thermal Shock Resistance, points 4.5 to 9.4
16

Alloy Composition

Aluminum (Al), % 97.1 to 99.7
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.15
12 to 13
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.7
83.8 to 88
Magnesium (Mg), % 0.2 to 0.6
0
Manganese (Mn), % 0.1 to 0.3
0 to 1.0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.6
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.15
0