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EN AC-46300 Aluminum vs. N08366 Stainless Steel

EN AC-46300 aluminum belongs to the aluminum alloys classification, while N08366 stainless steel belongs to the iron alloys. There are 30 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-46300 aluminum and the bottom bar is N08366 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
180
Elastic (Young's, Tensile) Modulus, GPa 73
210
Elongation at Break, % 1.1
34
Fatigue Strength, MPa 79
190
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
80
Tensile Strength: Ultimate (UTS), MPa 200
590
Tensile Strength: Yield (Proof), MPa 110
240

Thermal Properties

Latent Heat of Fusion, J/g 490
310
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 630
1460
Melting Onset (Solidus), °C 530
1410
Specific Heat Capacity, J/kg-K 880
460
Thermal Conductivity, W/m-K 120
13
Thermal Expansion, µm/m-K 22
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 84
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 10
33
Density, g/cm3 2.9
8.1
Embodied Carbon, kg CO2/kg material 7.7
6.2
Embodied Energy, MJ/kg 140
84
Embodied Water, L/kg 1060
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.9
160
Resilience: Unit (Modulus of Resilience), kJ/m3 89
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
24
Strength to Weight: Axial, points 20
20
Strength to Weight: Bending, points 27
19
Thermal Diffusivity, mm2/s 47
3.4
Thermal Shock Resistance, points 9.1
13

Alloy Composition

Aluminum (Al), % 84 to 90
0
Carbon (C), % 0
0 to 0.035
Chromium (Cr), % 0
20 to 22
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 0 to 0.8
42.4 to 50.5
Lead (Pb), % 0 to 0.15
0
Magnesium (Mg), % 0.3 to 0.6
0
Manganese (Mn), % 0.2 to 0.65
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0 to 0.3
23.5 to 25.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 6.5 to 8.0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.65
0
Residuals, % 0 to 0.55
0