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EN AC-46100 Aluminum vs. S34565 Stainless Steel

EN AC-46100 aluminum belongs to the aluminum alloys classification, while S34565 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 S34565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
200
Elastic (Young's, Tensile) Modulus, GPa 73
210
Elongation at Break, % 1.0
39
Fatigue Strength, MPa 110
400
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
80
Tensile Strength: Ultimate (UTS), MPa 270
900
Tensile Strength: Yield (Proof), MPa 160
470

Thermal Properties

Latent Heat of Fusion, J/g 550
310
Maximum Temperature: Mechanical, °C 180
1100
Melting Completion (Liquidus), °C 600
1420
Melting Onset (Solidus), °C 540
1380
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 110
12
Thermal Expansion, µm/m-K 21
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 90
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
28
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 7.6
5.3
Embodied Energy, MJ/kg 140
73
Embodied Water, L/kg 1030
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
300
Resilience: Unit (Modulus of Resilience), kJ/m3 170
540
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 27
32
Strength to Weight: Bending, points 34
26
Thermal Diffusivity, mm2/s 44
3.2
Thermal Shock Resistance, points 12
22

Alloy Composition

Aluminum (Al), % 80.4 to 88.5
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.15
23 to 25
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 0 to 1.1
43.2 to 51.6
Lead (Pb), % 0 to 0.25
0
Magnesium (Mg), % 0 to 0.3
0
Manganese (Mn), % 0 to 0.55
5.0 to 7.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0 to 0.45
16 to 18
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0.4 to 0.6
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 10 to 12
0 to 1.0
Sulfur (S), % 0
0 to 0.010
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