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EN AC-45000 Aluminum vs. S64512 Stainless Steel

EN AC-45000 aluminum belongs to the aluminum alloys classification, while S64512 stainless steel belongs to the iron alloys. There are 30 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 S64512 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 77
330
Elastic (Young's, Tensile) Modulus, GPa 73
200
Elongation at Break, % 1.1
17
Fatigue Strength, MPa 75
540
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
76
Tensile Strength: Ultimate (UTS), MPa 180
1140
Tensile Strength: Yield (Proof), MPa 110
890

Thermal Properties

Latent Heat of Fusion, J/g 470
270
Maximum Temperature: Mechanical, °C 180
750
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 520
1420
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 120
28
Thermal Expansion, µm/m-K 22
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 81
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 7.7
3.3
Embodied Energy, MJ/kg 140
47
Embodied Water, L/kg 1070
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7
180
Resilience: Unit (Modulus of Resilience), kJ/m3 80
2020
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 47
25
Strength to Weight: Axial, points 17
40
Strength to Weight: Bending, points 24
31
Thermal Diffusivity, mm2/s 47
7.5
Thermal Shock Resistance, points 8.0
42

Alloy Composition

Aluminum (Al), % 82.2 to 91.8
0
Carbon (C), % 0
0.080 to 0.15
Chromium (Cr), % 0 to 0.15
11 to 12.5
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 0 to 1.0
80.6 to 84.7
Lead (Pb), % 0 to 0.3
0
Magnesium (Mg), % 0 to 0.55
0
Manganese (Mn), % 0.2 to 0.65
0.5 to 0.9
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 0 to 0.45
2.0 to 3.0
Nitrogen (N), % 0
0.010 to 0.050
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 5.0 to 7.0
0 to 0.35
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0
Vanadium (V), % 0
0.25 to 0.4
Zinc (Zn), % 0 to 2.0
0
Residuals, % 0 to 0.35
0