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EN AC-42200 Aluminum vs. EN 1.4806 Stainless Steel

EN AC-42200 aluminum belongs to the aluminum alloys classification, while EN 1.4806 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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-42200 aluminum and the bottom bar is EN 1.4806 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 89 to 100
140
Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 3.0 to 6.7
6.8
Fatigue Strength, MPa 86 to 90
120
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
75
Tensile Strength: Ultimate (UTS), MPa 320
470
Tensile Strength: Yield (Proof), MPa 240 to 260
250

Thermal Properties

Latent Heat of Fusion, J/g 500
320
Maximum Temperature: Mechanical, °C 170
1000
Melting Completion (Liquidus), °C 610
1380
Melting Onset (Solidus), °C 600
1340
Specific Heat Capacity, J/kg-K 910
480
Thermal Conductivity, W/m-K 150
12
Thermal Expansion, µm/m-K 22
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 140
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
31
Density, g/cm3 2.6
8.0
Embodied Carbon, kg CO2/kg material 8.0
5.4
Embodied Energy, MJ/kg 150
76
Embodied Water, L/kg 1110
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.0 to 20
27
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 490
160
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
24
Strength to Weight: Axial, points 34 to 35
16
Strength to Weight: Bending, points 40 to 41
17
Thermal Diffusivity, mm2/s 66
3.1
Thermal Shock Resistance, points 15
11

Alloy Composition

Aluminum (Al), % 91 to 93.1
0
Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.19
40.4 to 48.7
Magnesium (Mg), % 0.45 to 0.7
0
Manganese (Mn), % 0 to 0.1
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
34 to 36
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 6.5 to 7.5
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0