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296.0 Aluminum vs. EN 1.4411 Stainless Steel

296.0 aluminum belongs to the aluminum alloys classification, while EN 1.4411 stainless steel belongs to the iron alloys. There are 29 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 1.4411 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
200
Elongation at Break, % 3.2 to 7.1
17
Fatigue Strength, MPa 47 to 70
370
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
78
Tensile Strength: Ultimate (UTS), MPa 260 to 270
870
Tensile Strength: Yield (Proof), MPa 120 to 180
600

Thermal Properties

Latent Heat of Fusion, J/g 420
280
Maximum Temperature: Mechanical, °C 170
880
Melting Completion (Liquidus), °C 630
1450
Melting Onset (Solidus), °C 540
1410
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 130 to 150
17
Thermal Expansion, µm/m-K 22
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33 to 37
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 99 to 110
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
13
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 7.8
3.0
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 1110
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.6 to 15
130
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 220
920
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
25
Strength to Weight: Axial, points 24 to 25
31
Strength to Weight: Bending, points 30 to 31
26
Thermal Diffusivity, mm2/s 51 to 56
4.6
Thermal Shock Resistance, points 12
28

Alloy Composition

Aluminum (Al), % 89 to 94
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
15 to 17
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 0 to 1.2
73.1 to 79.5
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.35
0 to 1.0
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 0 to 0.35
4.0 to 6.0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 2.0 to 3.0
0 to 0.8
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.35
0