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384.0 Aluminum vs. EN 1.3549 Stainless Steel

384.0 aluminum belongs to the aluminum alloys classification, while EN 1.3549 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 384.0 aluminum and the bottom bar is EN 1.3549 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
220
Elastic (Young's, Tensile) Modulus, GPa 74
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
77
Tensile Strength: Ultimate (UTS), MPa 330
730

Thermal Properties

Latent Heat of Fusion, J/g 550
280
Maximum Temperature: Mechanical, °C 170
910
Melting Completion (Liquidus), °C 580
1430
Melting Onset (Solidus), °C 530
1390
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 96
21
Thermal Expansion, µm/m-K 21
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 69
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 2.9
7.7
Embodied Carbon, kg CO2/kg material 7.4
2.6
Embodied Energy, MJ/kg 140
37
Embodied Water, L/kg 1010
130

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
25
Strength to Weight: Axial, points 32
27
Strength to Weight: Bending, points 37
24
Thermal Diffusivity, mm2/s 39
5.6
Thermal Shock Resistance, points 15
26

Alloy Composition

Aluminum (Al), % 77.3 to 86.5
0
Carbon (C), % 0
0.85 to 1.0
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 3.0 to 4.5
0
Iron (Fe), % 0 to 1.3
77.5 to 82
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0
0.9 to 1.3
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 10.5 to 12
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.35
0
Vanadium (V), % 0
0.070 to 0.12
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0