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A380.0 Aluminum vs. EN 1.4361 Stainless Steel

A380.0 aluminum belongs to the aluminum alloys classification, while EN 1.4361 stainless steel belongs to the iron alloys. There are 31 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 1.4361 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
200
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 3.3
43
Fatigue Strength, MPa 140
220
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
75
Shear Strength, MPa 190
440
Tensile Strength: Ultimate (UTS), MPa 290
630
Tensile Strength: Yield (Proof), MPa 160
250

Thermal Properties

Latent Heat of Fusion, J/g 510
350
Maximum Temperature: Mechanical, °C 170
940
Melting Completion (Liquidus), °C 590
1370
Melting Onset (Solidus), °C 550
1330
Specific Heat Capacity, J/kg-K 870
490
Thermal Conductivity, W/m-K 96
14
Thermal Expansion, µm/m-K 22
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 78
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
19
Density, g/cm3 2.9
7.6
Embodied Carbon, kg CO2/kg material 7.5
3.6
Embodied Energy, MJ/kg 140
52
Embodied Water, L/kg 1040
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.3
220
Resilience: Unit (Modulus of Resilience), kJ/m3 180
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 48
25
Strength to Weight: Axial, points 28
23
Strength to Weight: Bending, points 34
21
Thermal Diffusivity, mm2/s 38
3.7
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 80.3 to 89.5
0
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0
16.5 to 18.5
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 0 to 1.3
58.7 to 65.8
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0 to 0.5
14 to 16
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 7.5 to 9.5
3.7 to 4.5
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0