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EN AC-45300 Aluminum vs. S32053 Stainless Steel

EN AC-45300 aluminum belongs to the aluminum alloys classification, while S32053 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-45300 aluminum and the bottom bar is S32053 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 94 to 120
190
Elastic (Young's, Tensile) Modulus, GPa 71
210
Elongation at Break, % 1.0 to 2.8
46
Fatigue Strength, MPa 59 to 72
310
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
80
Tensile Strength: Ultimate (UTS), MPa 220 to 290
730
Tensile Strength: Yield (Proof), MPa 150 to 230
330

Thermal Properties

Latent Heat of Fusion, J/g 470
310
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 630
1450
Melting Onset (Solidus), °C 590
1400
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 150
13
Thermal Expansion, µm/m-K 22
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
33
Density, g/cm3 2.7
8.1
Embodied Carbon, kg CO2/kg material 8.0
6.1
Embodied Energy, MJ/kg 150
83
Embodied Water, L/kg 1120
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.7 to 5.6
270
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 390
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 23 to 29
25
Strength to Weight: Bending, points 30 to 35
22
Thermal Diffusivity, mm2/s 60
3.3
Thermal Shock Resistance, points 10 to 13
16

Alloy Composition

Aluminum (Al), % 90.2 to 94.2
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
22 to 24
Copper (Cu), % 1.0 to 1.5
0
Iron (Fe), % 0 to 0.65
41.7 to 48.8
Lead (Pb), % 0 to 0.15
0
Magnesium (Mg), % 0.35 to 0.65
0
Manganese (Mn), % 0 to 0.55
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 6.0
Nickel (Ni), % 0 to 0.25
24 to 26
Nitrogen (N), % 0
0.17 to 0.22
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 4.5 to 5.5
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0