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EN 1.4606 Stainless Steel vs. EN AC-46000 Aluminum

EN 1.4606 stainless steel belongs to the iron alloys classification, while EN AC-46000 aluminum belongs to the aluminum 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 1.4606 stainless steel and the bottom bar is EN AC-46000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
73
Elongation at Break, % 23 to 39
1.0
Fatigue Strength, MPa 240 to 420
110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 75
28
Tensile Strength: Ultimate (UTS), MPa 600 to 1020
270
Tensile Strength: Yield (Proof), MPa 280 to 630
160

Thermal Properties

Latent Heat of Fusion, J/g 300
530
Maximum Temperature: Mechanical, °C 910
180
Melting Completion (Liquidus), °C 1430
620
Melting Onset (Solidus), °C 1380
530
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 14
100
Thermal Expansion, µm/m-K 11
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
26
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
82

Otherwise Unclassified Properties

Base Metal Price, % relative 26
10
Density, g/cm3 7.9
2.8
Embodied Carbon, kg CO2/kg material 6.0
7.6
Embodied Energy, MJ/kg 87
140
Embodied Water, L/kg 170
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 200
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 1010
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
49
Strength to Weight: Axial, points 21 to 36
26
Strength to Weight: Bending, points 20 to 28
33
Thermal Diffusivity, mm2/s 3.7
42
Thermal Shock Resistance, points 21 to 35
12

Alloy Composition

Aluminum (Al), % 0 to 0.35
79.7 to 90
Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 13 to 16
0 to 0.15
Copper (Cu), % 0
2.0 to 4.0
Iron (Fe), % 49.2 to 59
0 to 1.3
Lead (Pb), % 0
0 to 0.35
Magnesium (Mg), % 0
0.050 to 0.55
Manganese (Mn), % 1.0 to 2.0
0 to 0.55
Molybdenum (Mo), % 1.0 to 1.5
0
Nickel (Ni), % 24 to 27
0 to 0.55
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 1.0
8.0 to 11
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 1.9 to 2.3
0 to 0.25
Vanadium (V), % 0.1 to 0.5
0
Zinc (Zn), % 0
0 to 1.2
Residuals, % 0
0 to 0.25