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EN AC-45000 Aluminum vs. EN 1.4592 Stainless Steel

EN AC-45000 aluminum belongs to the aluminum alloys classification, while EN 1.4592 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-45000 aluminum and the bottom bar is EN 1.4592 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
210
Elongation at Break, % 1.1
23
Fatigue Strength, MPa 75
340
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 27
82
Tensile Strength: Ultimate (UTS), MPa 180
630
Tensile Strength: Yield (Proof), MPa 110
500

Thermal Properties

Latent Heat of Fusion, J/g 470
310
Maximum Temperature: Mechanical, °C 180
1100
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 520
1410
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 120
17
Thermal Expansion, µm/m-K 22
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 81
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 11
18
Density, g/cm3 3.0
7.7
Embodied Carbon, kg CO2/kg material 7.7
3.8
Embodied Energy, MJ/kg 140
52
Embodied Water, L/kg 1070
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7
130
Resilience: Unit (Modulus of Resilience), kJ/m3 80
610
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 47
26
Strength to Weight: Axial, points 17
23
Strength to Weight: Bending, points 24
21
Thermal Diffusivity, mm2/s 47
4.6
Thermal Shock Resistance, points 8.0
20

Alloy Composition

Aluminum (Al), % 82.2 to 91.8
0
Carbon (C), % 0
0 to 0.025
Chromium (Cr), % 0 to 0.15
28 to 30
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 0 to 1.0
62.6 to 68.4
Lead (Pb), % 0 to 0.3
0
Magnesium (Mg), % 0 to 0.55
0
Manganese (Mn), % 0.2 to 0.65
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 0 to 0.45
0
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 5.0 to 7.0
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0.15 to 0.8
Zinc (Zn), % 0 to 2.0
0
Residuals, % 0 to 0.35
0