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390.0 Aluminum vs. EN 1.4410 Stainless Steel

390.0 aluminum belongs to the aluminum alloys classification, while EN 1.4410 stainless steel belongs to the iron alloys. There are 30 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 390.0 aluminum and the bottom bar is EN 1.4410 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
260
Elastic (Young's, Tensile) Modulus, GPa 75
210
Elongation at Break, % 1.0
24
Fatigue Strength, MPa 76 to 110
410
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 28
81
Tensile Strength: Ultimate (UTS), MPa 280 to 300
850
Tensile Strength: Yield (Proof), MPa 240 to 270
600

Thermal Properties

Latent Heat of Fusion, J/g 640
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 650
1450
Melting Onset (Solidus), °C 560
1400
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 130
15
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24 to 25
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 79 to 83
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
20
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 7.3
4.0
Embodied Energy, MJ/kg 130
56
Embodied Water, L/kg 950
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.7 to 2.9
180
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 470
880
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 52
25
Strength to Weight: Axial, points 28 to 30
30
Strength to Weight: Bending, points 35 to 36
26
Thermal Diffusivity, mm2/s 56
4.0
Thermal Shock Resistance, points 14 to 15
23

Alloy Composition

Aluminum (Al), % 74.5 to 79.6
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 0 to 1.3
58.1 to 66.8
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.1
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.5
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.35
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 16 to 18
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.2
0