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EN AC-43200 Aluminum vs. S44800 Stainless Steel

EN AC-43200 aluminum belongs to the aluminum alloys classification, while S44800 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-43200 aluminum and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60 to 88
190
Elastic (Young's, Tensile) Modulus, GPa 72
210
Elongation at Break, % 1.1
23
Fatigue Strength, MPa 67
300
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 27
82
Tensile Strength: Ultimate (UTS), MPa 190 to 260
590
Tensile Strength: Yield (Proof), MPa 97 to 220
450

Thermal Properties

Latent Heat of Fusion, J/g 540
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 590
1410
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 140
17
Thermal Expansion, µm/m-K 22
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 120
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
19
Density, g/cm3 2.6
7.8
Embodied Carbon, kg CO2/kg material 7.8
3.8
Embodied Energy, MJ/kg 150
52
Embodied Water, L/kg 1070
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.8 to 2.7
120
Resilience: Unit (Modulus of Resilience), kJ/m3 66 to 330
480
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 54
25
Strength to Weight: Axial, points 20 to 28
21
Strength to Weight: Bending, points 28 to 35
20
Thermal Diffusivity, mm2/s 59
4.6
Thermal Shock Resistance, points 8.8 to 12
19

Alloy Composition

Aluminum (Al), % 86.1 to 90.8
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0
28 to 30
Copper (Cu), % 0 to 0.35
0 to 0.15
Iron (Fe), % 0 to 0.65
62.6 to 66.5
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0.2 to 0.45
0
Manganese (Mn), % 0 to 0.55
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 0 to 0.15
2.0 to 2.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 9.0 to 11
0 to 0.2
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0 to 0.15
0