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380.0 Aluminum vs. EN 1.4724 Stainless Steel

380.0 aluminum belongs to the aluminum alloys classification, while EN 1.4724 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 1.4724 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
170
Elastic (Young's, Tensile) Modulus, GPa 74
190
Elongation at Break, % 3.0
16
Fatigue Strength, MPa 140
170
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
75
Shear Strength, MPa 190
340
Tensile Strength: Ultimate (UTS), MPa 320
550
Tensile Strength: Yield (Proof), MPa 160
280

Thermal Properties

Latent Heat of Fusion, J/g 510
290
Maximum Temperature: Mechanical, °C 170
850
Melting Completion (Liquidus), °C 590
1430
Melting Onset (Solidus), °C 540
1390
Specific Heat Capacity, J/kg-K 870
490
Thermal Conductivity, W/m-K 100
21
Thermal Expansion, µm/m-K 22
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 83
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 10
7.0
Density, g/cm3 2.9
7.7
Embodied Carbon, kg CO2/kg material 7.5
2.0
Embodied Energy, MJ/kg 140
28
Embodied Water, L/kg 1040
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0
73
Resilience: Unit (Modulus of Resilience), kJ/m3 170
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 48
25
Strength to Weight: Axial, points 31
20
Strength to Weight: Bending, points 36
19
Thermal Diffusivity, mm2/s 40
5.6
Thermal Shock Resistance, points 14
19

Alloy Composition

Aluminum (Al), % 79.6 to 89.5
0.7 to 1.2
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 0 to 2.0
82.2 to 86.6
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 1.0
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 7.5 to 9.5
0.7 to 1.4
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0