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242.0 Aluminum vs. EN 1.4659 Stainless Steel

242.0 aluminum belongs to the aluminum alloys classification, while EN 1.4659 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (5, 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 242.0 aluminum and the bottom bar is EN 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70 to 110
260
Elastic (Young's, Tensile) Modulus, GPa 73
210
Elongation at Break, % 0.5 to 1.5
49
Fatigue Strength, MPa 55 to 110
460
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
81
Shear Strength, MPa 150 to 240
640
Tensile Strength: Ultimate (UTS), MPa 180 to 290
900
Tensile Strength: Yield (Proof), MPa 120 to 220
480

Thermal Properties

Latent Heat of Fusion, J/g 390
300
Maximum Temperature: Mechanical, °C 210
1100
Melting Completion (Liquidus), °C 640
1480
Melting Onset (Solidus), °C 530
1430
Specific Heat Capacity, J/kg-K 870
460
Thermal Conductivity, W/m-K 130 to 170
12
Thermal Expansion, µm/m-K 22
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33 to 44
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 96 to 130
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
37
Density, g/cm3 3.1
8.2
Embodied Carbon, kg CO2/kg material 8.3
6.5
Embodied Energy, MJ/kg 150
89
Embodied Water, L/kg 1130
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.3 to 3.4
370
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 340
550
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
24
Strength to Weight: Axial, points 16 to 26
31
Strength to Weight: Bending, points 23 to 32
25
Thermal Diffusivity, mm2/s 50 to 62
3.2
Thermal Shock Resistance, points 8.0 to 13
19

Alloy Composition

Aluminum (Al), % 88.4 to 93.6
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0 to 0.25
23 to 25
Copper (Cu), % 3.5 to 4.5
1.0 to 2.0
Iron (Fe), % 0 to 1.0
35.7 to 45.7
Magnesium (Mg), % 1.2 to 1.8
0
Manganese (Mn), % 0 to 0.35
2.0 to 4.0
Molybdenum (Mo), % 0
5.5 to 6.5
Nickel (Ni), % 1.7 to 2.3
21 to 23
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.7
0 to 0.7
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.25
0
Tungsten (W), % 0
1.5 to 2.5
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0 to 0.15
0