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380.0 Aluminum vs. EN 1.4986 Stainless Steel

380.0 aluminum belongs to the aluminum alloys classification, while EN 1.4986 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 380.0 aluminum and the bottom bar is EN 1.4986 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
230
Elastic (Young's, Tensile) Modulus, GPa 74
200
Elongation at Break, % 3.0
18
Fatigue Strength, MPa 140
350
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
77
Shear Strength, MPa 190
460
Tensile Strength: Ultimate (UTS), MPa 320
750
Tensile Strength: Yield (Proof), MPa 160
560

Thermal Properties

Latent Heat of Fusion, J/g 510
290
Maximum Temperature: Mechanical, °C 170
940
Melting Completion (Liquidus), °C 590
1450
Melting Onset (Solidus), °C 540
1400
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 100
15
Thermal Expansion, µm/m-K 22
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 83
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
25
Density, g/cm3 2.9
7.9
Embodied Carbon, kg CO2/kg material 7.5
4.8
Embodied Energy, MJ/kg 140
67
Embodied Water, L/kg 1040
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0
120
Resilience: Unit (Modulus of Resilience), kJ/m3 170
790
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 48
24
Strength to Weight: Axial, points 31
26
Strength to Weight: Bending, points 36
23
Thermal Diffusivity, mm2/s 40
4.0
Thermal Shock Resistance, points 14
16

Alloy Composition

Aluminum (Al), % 79.6 to 89.5
0
Boron (B), % 0
0.050 to 0.1
Carbon (C), % 0
0.040 to 0.1
Chromium (Cr), % 0
15.5 to 17.5
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 0 to 2.0
59.4 to 66.6
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 1.5
Molybdenum (Mo), % 0
1.6 to 2.0
Nickel (Ni), % 0 to 0.5
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 7.5 to 9.5
0.3 to 0.6
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0