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EN AC-45000 Aluminum vs. AISI 414 Stainless Steel

EN AC-45000 aluminum belongs to the aluminum alloys classification, while AISI 414 stainless steel belongs to the iron alloys. There are 29 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-45000 aluminum and the bottom bar is AISI 414 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 1.1
17
Fatigue Strength, MPa 75
430 to 480
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
76
Tensile Strength: Ultimate (UTS), MPa 180
900 to 960
Tensile Strength: Yield (Proof), MPa 110
700 to 790

Thermal Properties

Latent Heat of Fusion, J/g 470
280
Maximum Temperature: Mechanical, °C 180
750
Melting Completion (Liquidus), °C 640
1440
Melting Onset (Solidus), °C 520
1400
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 120
25
Thermal Expansion, µm/m-K 22
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 81
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
8.0
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 7.7
2.1
Embodied Energy, MJ/kg 140
29
Embodied Water, L/kg 1070
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 80
1260 to 1590
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 47
25
Strength to Weight: Axial, points 17
32 to 34
Strength to Weight: Bending, points 24
27 to 28
Thermal Diffusivity, mm2/s 47
6.7
Thermal Shock Resistance, points 8.0
33 to 35

Alloy Composition

Aluminum (Al), % 82.2 to 91.8
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0 to 0.15
11.5 to 13.5
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 0 to 1.0
81.8 to 87.3
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
Nickel (Ni), % 0 to 0.45
1.3 to 2.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 5.0 to 7.0
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 2.0
0
Residuals, % 0 to 0.35
0