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332.0 Aluminum vs. EN 1.4521 Stainless Steel

332.0 aluminum belongs to the aluminum alloys classification, while EN 1.4521 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 332.0 aluminum and the bottom bar is EN 1.4521 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
200
Elongation at Break, % 1.0
23
Fatigue Strength, MPa 90
230
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
78
Shear Strength, MPa 190
330
Tensile Strength: Ultimate (UTS), MPa 250
520
Tensile Strength: Yield (Proof), MPa 190
340

Thermal Properties

Latent Heat of Fusion, J/g 530
290
Maximum Temperature: Mechanical, °C 170
930
Melting Completion (Liquidus), °C 580
1460
Melting Onset (Solidus), °C 530
1410
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 100
23
Thermal Expansion, µm/m-K 21
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 84
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 2.8
7.7
Embodied Carbon, kg CO2/kg material 7.8
2.8
Embodied Energy, MJ/kg 140
39
Embodied Water, L/kg 1040
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
100
Resilience: Unit (Modulus of Resilience), kJ/m3 250
280
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 24
19
Strength to Weight: Bending, points 31
19
Thermal Diffusivity, mm2/s 42
6.2
Thermal Shock Resistance, points 12
18

Alloy Composition

Aluminum (Al), % 80.1 to 89
0
Carbon (C), % 0
0 to 0.025
Chromium (Cr), % 0
17 to 20
Copper (Cu), % 2.0 to 4.0
0
Iron (Fe), % 0 to 1.2
74.6 to 81.1
Magnesium (Mg), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 8.5 to 10.5
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.25
0.15 to 0.8
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0