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380.0 Aluminum vs. EN 1.4378 Stainless Steel

380.0 aluminum belongs to the aluminum alloys classification, while EN 1.4378 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, 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 1.4378 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 74
200
Elongation at Break, % 3.0
14 to 34
Fatigue Strength, MPa 140
340 to 550
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
77
Shear Strength, MPa 190
510 to 680
Tensile Strength: Ultimate (UTS), MPa 320
760 to 1130
Tensile Strength: Yield (Proof), MPa 160
430 to 970

Thermal Properties

Latent Heat of Fusion, J/g 510
290
Maximum Temperature: Mechanical, °C 170
910
Melting Completion (Liquidus), °C 590
1390
Melting Onset (Solidus), °C 540
1350
Specific Heat Capacity, J/kg-K 870
480
Thermal Expansion, µm/m-K 22
17

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 2.9
7.6
Embodied Carbon, kg CO2/kg material 7.5
2.7
Embodied Energy, MJ/kg 140
39
Embodied Water, L/kg 1040
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0
150 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 170
470 to 2370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 48
25
Strength to Weight: Axial, points 31
28 to 41
Strength to Weight: Bending, points 36
24 to 31
Thermal Shock Resistance, points 14
16 to 23

Alloy Composition

Aluminum (Al), % 79.6 to 89.5
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 0 to 2.0
61.2 to 69
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
11.5 to 14.5
Nickel (Ni), % 0 to 0.5
2.3 to 3.7
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 7.5 to 9.5
0 to 1.0
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