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EN AC-44200 Aluminum vs. EN 1.4658 Stainless Steel

EN AC-44200 aluminum belongs to the aluminum alloys classification, while EN 1.4658 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, 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-44200 aluminum and the bottom bar is EN 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
260
Elastic (Young's, Tensile) Modulus, GPa 72
210
Elongation at Break, % 6.2
28
Fatigue Strength, MPa 63
530
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 27
81
Tensile Strength: Ultimate (UTS), MPa 180
900
Tensile Strength: Yield (Proof), MPa 86
730

Thermal Properties

Latent Heat of Fusion, J/g 570
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 590
1450
Melting Onset (Solidus), °C 580
1400
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 130
16
Thermal Expansion, µm/m-K 21
13

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.5
7.8
Embodied Carbon, kg CO2/kg material 7.7
4.5
Embodied Energy, MJ/kg 140
61
Embodied Water, L/kg 1050
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1
240
Resilience: Unit (Modulus of Resilience), kJ/m3 51
1280
Stiffness to Weight: Axial, points 16
15
Stiffness to Weight: Bending, points 55
25
Strength to Weight: Axial, points 20
32
Strength to Weight: Bending, points 28
26
Thermal Diffusivity, mm2/s 59
4.3
Thermal Shock Resistance, points 8.4
24

Alloy Composition

Aluminum (Al), % 85.2 to 89.5
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 0 to 0.050
0 to 1.0
Iron (Fe), % 0 to 0.55
50.9 to 63.7
Manganese (Mn), % 0 to 0.35
0 to 1.5
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0
5.5 to 9.5
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 10.5 to 13.5
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0