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354.0 Aluminum vs. EN 1.4020 Stainless Steel

354.0 aluminum belongs to the aluminum alloys classification, while EN 1.4020 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 354.0 aluminum and the bottom bar is EN 1.4020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 2.4 to 3.0
13 to 34
Fatigue Strength, MPa 92 to 120
340 to 540
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Tensile Strength: Ultimate (UTS), MPa 360 to 380
770 to 1130
Tensile Strength: Yield (Proof), MPa 280 to 310
430 to 950

Thermal Properties

Latent Heat of Fusion, J/g 530
280
Maximum Temperature: Mechanical, °C 170
890
Melting Completion (Liquidus), °C 600
1390
Melting Onset (Solidus), °C 550
1350
Specific Heat Capacity, J/kg-K 900
480
Thermal Expansion, µm/m-K 21
17

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
7.6
Embodied Carbon, kg CO2/kg material 7.8
2.5
Embodied Energy, MJ/kg 150
37
Embodied Water, L/kg 1070
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.6 to 9.8
140 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 670
460 to 2290
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 52
25
Strength to Weight: Axial, points 37 to 39
28 to 41
Strength to Weight: Bending, points 42 to 44
25 to 32
Thermal Shock Resistance, points 17 to 18
16 to 23

Alloy Composition


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Aluminum (Al), % 87.3 to 89.4
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
16.5 to 19
Copper (Cu), % 1.6 to 2.0
0
Iron (Fe), % 0 to 0.2
62.8 to 71.8
Magnesium (Mg), % 0.4 to 0.6
0
Manganese (Mn), % 0 to 0.1
11 to 14
Nickel (Ni), % 0
0.5 to 2.5
Nitrogen (N), % 0
0.2 to 0.45
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 8.6 to 9.4
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0