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EN AC-46100 Aluminum vs. N08700 Stainless Steel

EN AC-46100 aluminum belongs to the aluminum alloys classification, while N08700 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 N08700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
170
Elastic (Young's, Tensile) Modulus, GPa 73
200
Elongation at Break, % 1.0
32
Fatigue Strength, MPa 110
210
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
79
Tensile Strength: Ultimate (UTS), MPa 270
620
Tensile Strength: Yield (Proof), MPa 160
270

Thermal Properties

Latent Heat of Fusion, J/g 550
300
Maximum Temperature: Mechanical, °C 180
1100
Melting Completion (Liquidus), °C 600
1450
Melting Onset (Solidus), °C 540
1400
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 110
13
Thermal Expansion, µm/m-K 21
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 90
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
32
Density, g/cm3 2.7
8.1
Embodied Carbon, kg CO2/kg material 7.6
6.0
Embodied Energy, MJ/kg 140
82
Embodied Water, L/kg 1030
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
160
Resilience: Unit (Modulus of Resilience), kJ/m3 170
180
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 51
24
Strength to Weight: Axial, points 27
21
Strength to Weight: Bending, points 34
20
Thermal Diffusivity, mm2/s 44
3.5
Thermal Shock Resistance, points 12
14

Alloy Composition

Aluminum (Al), % 80.4 to 88.5
0
Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0 to 0.15
19 to 23
Copper (Cu), % 1.5 to 2.5
0 to 0.5
Iron (Fe), % 0 to 1.1
42 to 52.7
Lead (Pb), % 0 to 0.25
0
Magnesium (Mg), % 0 to 0.3
0
Manganese (Mn), % 0 to 0.55
0 to 2.0
Molybdenum (Mo), % 0
4.3 to 5.0
Nickel (Ni), % 0 to 0.45
24 to 26
Niobium (Nb), % 0
0 to 0.4
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