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EN AC-47100 Aluminum vs. N08367 Stainless Steel

EN AC-47100 aluminum belongs to the aluminum alloys classification, while N08367 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-47100 aluminum and the bottom bar is N08367 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
210
Elastic (Young's, Tensile) Modulus, GPa 73
210
Elongation at Break, % 1.1
34
Fatigue Strength, MPa 110
280
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
80
Tensile Strength: Ultimate (UTS), MPa 270
740
Tensile Strength: Yield (Proof), MPa 160
350

Thermal Properties

Latent Heat of Fusion, J/g 570
310
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 590
1460
Melting Onset (Solidus), °C 560
1410
Specific Heat Capacity, J/kg-K 890
460
Thermal Conductivity, W/m-K 130
12
Thermal Expansion, µm/m-K 21
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
33
Density, g/cm3 2.6
8.1
Embodied Carbon, kg CO2/kg material 7.6
6.2
Embodied Energy, MJ/kg 140
84
Embodied Water, L/kg 1030
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6
210
Resilience: Unit (Modulus of Resilience), kJ/m3 170
290
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
24
Strength to Weight: Axial, points 28
25
Strength to Weight: Bending, points 35
22
Thermal Diffusivity, mm2/s 54
3.2
Thermal Shock Resistance, points 12
17

Alloy Composition

Aluminum (Al), % 81.4 to 88.8
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.1
20 to 22
Copper (Cu), % 0.7 to 1.2
0 to 0.75
Iron (Fe), % 0 to 1.3
41.4 to 50.3
Lead (Pb), % 0 to 0.2
0
Magnesium (Mg), % 0 to 0.35
0
Manganese (Mn), % 0 to 0.55
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0 to 0.3
23.5 to 25.5
Nitrogen (N), % 0
0.18 to 0.25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 10.5 to 13.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.55
0
Residuals, % 0 to 0.25
0