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296.0 Aluminum vs. EN 1.4659 Stainless Steel

296.0 aluminum belongs to the aluminum alloys classification, while EN 1.4659 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 296.0 aluminum and the bottom bar is EN 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75 to 90
260
Elastic (Young's, Tensile) Modulus, GPa 72
210
Elongation at Break, % 3.2 to 7.1
49
Fatigue Strength, MPa 47 to 70
460
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
81
Tensile Strength: Ultimate (UTS), MPa 260 to 270
900
Tensile Strength: Yield (Proof), MPa 120 to 180
480

Thermal Properties

Latent Heat of Fusion, J/g 420
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 630
1480
Melting Onset (Solidus), °C 540
1430
Specific Heat Capacity, J/kg-K 870
460
Thermal Conductivity, W/m-K 130 to 150
12
Thermal Expansion, µm/m-K 22
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33 to 37
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 99 to 110
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
37
Density, g/cm3 3.0
8.2
Embodied Carbon, kg CO2/kg material 7.8
6.5
Embodied Energy, MJ/kg 150
89
Embodied Water, L/kg 1110
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.6 to 15
370
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 220
550
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 24 to 25
31
Strength to Weight: Bending, points 30 to 31
25
Thermal Diffusivity, mm2/s 51 to 56
3.2
Thermal Shock Resistance, points 12
19

Alloy Composition

Aluminum (Al), % 89 to 94
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 4.0 to 5.0
1.0 to 2.0
Iron (Fe), % 0 to 1.2
35.7 to 45.7
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.35
2.0 to 4.0
Molybdenum (Mo), % 0
5.5 to 6.5
Nickel (Ni), % 0 to 0.35
21 to 23
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 2.0 to 3.0
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 0.5
0
Residuals, % 0 to 0.35
0