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EN AC-46200 Aluminum vs. S32550 Stainless Steel

EN AC-46200 aluminum belongs to the aluminum alloys classification, while S32550 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-46200 aluminum and the bottom bar is S32550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 82
260
Elastic (Young's, Tensile) Modulus, GPa 73
200
Elongation at Break, % 1.1
21
Fatigue Strength, MPa 87
400
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 27
80
Tensile Strength: Ultimate (UTS), MPa 210
860
Tensile Strength: Yield (Proof), MPa 130
620

Thermal Properties

Latent Heat of Fusion, J/g 510
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 620
1440
Melting Onset (Solidus), °C 540
1390
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 110
16
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 88
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
20
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 7.7
3.8
Embodied Energy, MJ/kg 140
53
Embodied Water, L/kg 1060
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.0
160
Resilience: Unit (Modulus of Resilience), kJ/m3 110
940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 21
31
Strength to Weight: Bending, points 28
26
Thermal Diffusivity, mm2/s 44
4.4
Thermal Shock Resistance, points 9.5
23

Alloy Composition

Aluminum (Al), % 82.6 to 90.3
0
Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
24 to 27
Copper (Cu), % 2.0 to 3.5
1.5 to 2.5
Iron (Fe), % 0 to 0.8
57.2 to 67
Lead (Pb), % 0 to 0.25
0
Magnesium (Mg), % 0.050 to 0.55
0
Manganese (Mn), % 0.15 to 0.65
0 to 1.5
Molybdenum (Mo), % 0
2.9 to 3.9
Nickel (Ni), % 0 to 0.35
4.5 to 6.5
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 7.5 to 9.5
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 1.2
0
Residuals, % 0 to 0.25
0