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A380.0 Aluminum vs. EN 1.4911 Stainless Steel

A380.0 aluminum belongs to the aluminum alloys classification, while EN 1.4911 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 A380.0 aluminum and the bottom bar is EN 1.4911 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
200
Elongation at Break, % 3.3
11
Fatigue Strength, MPa 140
530
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
76
Shear Strength, MPa 190
640
Tensile Strength: Ultimate (UTS), MPa 290
1070
Tensile Strength: Yield (Proof), MPa 160
970

Thermal Properties

Latent Heat of Fusion, J/g 510
270
Maximum Temperature: Mechanical, °C 170
700
Melting Completion (Liquidus), °C 590
1450
Melting Onset (Solidus), °C 550
1410
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 96
20
Thermal Expansion, µm/m-K 22
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 78
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 11
20
Density, g/cm3 2.9
7.9
Embodied Carbon, kg CO2/kg material 7.5
3.4
Embodied Energy, MJ/kg 140
49
Embodied Water, L/kg 1040
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.3
120
Resilience: Unit (Modulus of Resilience), kJ/m3 180
2410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 48
25
Strength to Weight: Axial, points 28
38
Strength to Weight: Bending, points 34
30
Thermal Diffusivity, mm2/s 38
5.4
Thermal Shock Resistance, points 13
37

Alloy Composition

Aluminum (Al), % 80.3 to 89.5
0
Boron (B), % 0
0.0050 to 0.015
Carbon (C), % 0
0.050 to 0.12
Chromium (Cr), % 0
9.8 to 11.2
Cobalt (Co), % 0
5.0 to 7.0
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 0 to 1.3
75.7 to 83.8
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0.3 to 1.3
Molybdenum (Mo), % 0
0.5 to 1.0
Nickel (Ni), % 0 to 0.5
0.2 to 1.2
Niobium (Nb), % 0
0.2 to 0.5
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 7.5 to 9.5
0.1 to 0.8
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.35
0
Tungsten (W), % 0
0 to 0.7
Vanadium (V), % 0
0.1 to 0.4
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0