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EN AC-46300 Aluminum vs. EN 1.4662 Stainless Steel

EN AC-46300 aluminum belongs to the aluminum alloys classification, while EN 1.4662 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-46300 aluminum and the bottom bar is EN 1.4662 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
200
Elongation at Break, % 1.1
28
Fatigue Strength, MPa 79
430 to 450
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 27
79
Tensile Strength: Ultimate (UTS), MPa 200
810 to 830
Tensile Strength: Yield (Proof), MPa 110
580 to 620

Thermal Properties

Latent Heat of Fusion, J/g 490
290
Maximum Temperature: Mechanical, °C 170
1090
Melting Completion (Liquidus), °C 630
1430
Melting Onset (Solidus), °C 530
1380
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 120
15
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 84
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
16
Density, g/cm3 2.9
7.7
Embodied Carbon, kg CO2/kg material 7.7
3.2
Embodied Energy, MJ/kg 140
45
Embodied Water, L/kg 1060
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.9
210
Resilience: Unit (Modulus of Resilience), kJ/m3 89
840 to 940
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 49
25
Strength to Weight: Axial, points 20
29 to 30
Strength to Weight: Bending, points 27
25
Thermal Diffusivity, mm2/s 47
3.9
Thermal Shock Resistance, points 9.1
22

Alloy Composition

Aluminum (Al), % 84 to 90
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 3.0 to 4.0
0.1 to 0.8
Iron (Fe), % 0 to 0.8
62.6 to 70.2
Lead (Pb), % 0 to 0.15
0
Magnesium (Mg), % 0.3 to 0.6
0
Manganese (Mn), % 0.2 to 0.65
2.5 to 4.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0 to 0.3
3.0 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 6.5 to 8.0
0 to 0.7
Sulfur (S), % 0
0 to 0.0050
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