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EN AC-42200 Aluminum vs. EN 1.4466 Stainless Steel

EN AC-42200 aluminum belongs to the aluminum alloys classification, while EN 1.4466 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 1.4466 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 89 to 100
210
Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 3.0 to 6.7
42
Fatigue Strength, MPa 86 to 90
250
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
80
Tensile Strength: Ultimate (UTS), MPa 320
640
Tensile Strength: Yield (Proof), MPa 240 to 260
280

Thermal Properties

Latent Heat of Fusion, J/g 500
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 610
1420
Melting Onset (Solidus), °C 600
1380
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 150
14
Thermal Expansion, µm/m-K 22
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
28
Density, g/cm3 2.6
7.9
Embodied Carbon, kg CO2/kg material 8.0
5.0
Embodied Energy, MJ/kg 150
70
Embodied Water, L/kg 1110
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.0 to 20
220
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 490
200
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
25
Strength to Weight: Axial, points 34 to 35
22
Strength to Weight: Bending, points 40 to 41
21
Thermal Diffusivity, mm2/s 66
3.7
Thermal Shock Resistance, points 15
14

Alloy Composition

Aluminum (Al), % 91 to 93.1
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.19
45.6 to 52.9
Magnesium (Mg), % 0.45 to 0.7
0
Manganese (Mn), % 0 to 0.1
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 0
21 to 23
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 6.5 to 7.5
0 to 0.7
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0