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240.0 Aluminum vs. EN 1.4600 Stainless Steel

240.0 aluminum belongs to the aluminum alloys classification, while EN 1.4600 stainless steel belongs to the iron alloys. There are 29 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 240.0 aluminum and the bottom bar is EN 1.4600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 1.0
23
Fatigue Strength, MPa 140
290
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
76
Tensile Strength: Ultimate (UTS), MPa 240
580
Tensile Strength: Yield (Proof), MPa 200
430

Thermal Properties

Latent Heat of Fusion, J/g 380
270
Maximum Temperature: Mechanical, °C 180
730
Melting Completion (Liquidus), °C 600
1440
Melting Onset (Solidus), °C 520
1400
Specific Heat Capacity, J/kg-K 860
480
Thermal Conductivity, W/m-K 96
27
Thermal Expansion, µm/m-K 22
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 65
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
7.0
Density, g/cm3 3.2
7.7
Embodied Carbon, kg CO2/kg material 8.7
2.0
Embodied Energy, MJ/kg 150
28
Embodied Water, L/kg 1100
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.2
120
Resilience: Unit (Modulus of Resilience), kJ/m3 280
470
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 43
25
Strength to Weight: Axial, points 20
21
Strength to Weight: Bending, points 26
20
Thermal Diffusivity, mm2/s 35
7.3
Thermal Shock Resistance, points 11
21

Alloy Composition

Aluminum (Al), % 81.7 to 86.9
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
11 to 13
Copper (Cu), % 7.0 to 9.0
0
Iron (Fe), % 0 to 0.5
82 to 87.7
Magnesium (Mg), % 5.5 to 6.5
0
Manganese (Mn), % 0.3 to 0.7
1.0 to 2.5
Nickel (Ni), % 0.3 to 0.7
0.3 to 1.0
Nitrogen (N), % 0
0 to 0.025
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.2
0 to 0.35
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0