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EN AC-46100 Aluminum vs. S42010 Stainless Steel

EN AC-46100 aluminum belongs to the aluminum alloys classification, while S42010 stainless steel belongs to the iron alloys. There are 29 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 EN AC-46100 aluminum and the bottom bar is S42010 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
200
Elongation at Break, % 1.0
18
Fatigue Strength, MPa 110
220
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
76
Tensile Strength: Ultimate (UTS), MPa 270
590
Tensile Strength: Yield (Proof), MPa 160
350

Thermal Properties

Latent Heat of Fusion, J/g 550
280
Maximum Temperature: Mechanical, °C 180
800
Melting Completion (Liquidus), °C 600
1440
Melting Onset (Solidus), °C 540
1400
Specific Heat Capacity, J/kg-K 890
480
Thermal Conductivity, W/m-K 110
29
Thermal Expansion, µm/m-K 21
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 90
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 10
8.5
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 7.6
2.2
Embodied Energy, MJ/kg 140
30
Embodied Water, L/kg 1030
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
95
Resilience: Unit (Modulus of Resilience), kJ/m3 170
310
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 27
21
Strength to Weight: Bending, points 34
20
Thermal Diffusivity, mm2/s 44
7.9
Thermal Shock Resistance, points 12
21

Alloy Composition

Aluminum (Al), % 80.4 to 88.5
0
Carbon (C), % 0
0.15 to 0.3
Chromium (Cr), % 0 to 0.15
13.5 to 15
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 0 to 1.1
80.9 to 85.6
Lead (Pb), % 0 to 0.25
0
Magnesium (Mg), % 0 to 0.3
0
Manganese (Mn), % 0 to 0.55
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.85
Nickel (Ni), % 0 to 0.45
0.35 to 0.85
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 10 to 12
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.7
0
Residuals, % 0 to 0.25
0