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A384.0 Aluminum vs. EN 1.4662 Stainless Steel

A384.0 aluminum belongs to the aluminum alloys classification, while EN 1.4662 stainless steel belongs to the iron alloys. There are 30 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 A384.0 aluminum and the bottom bar is EN 1.4662 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
200
Elongation at Break, % 2.5
28
Fatigue Strength, MPa 140
430 to 450
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 28
79
Shear Strength, MPa 200
520 to 540
Tensile Strength: Ultimate (UTS), MPa 330
810 to 830
Tensile Strength: Yield (Proof), MPa 170
580 to 620

Thermal Properties

Latent Heat of Fusion, J/g 550
290
Maximum Temperature: Mechanical, °C 170
1090
Melting Completion (Liquidus), °C 610
1430
Melting Onset (Solidus), °C 510
1380
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 96
15
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 73
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
16
Density, g/cm3 2.8
7.7
Embodied Carbon, kg CO2/kg material 7.5
3.2
Embodied Energy, MJ/kg 140
45
Embodied Water, L/kg 1010
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
210
Resilience: Unit (Modulus of Resilience), kJ/m3 180
840 to 940
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 32
29 to 30
Strength to Weight: Bending, points 38
25
Thermal Diffusivity, mm2/s 39
3.9
Thermal Shock Resistance, points 15
22

Alloy Composition

Aluminum (Al), % 79.3 to 86.5
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 3.0 to 4.5
0.1 to 0.8
Iron (Fe), % 0 to 1.3
62.6 to 70.2
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
2.5 to 4.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0 to 0.5
3.0 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 10.5 to 12
0 to 0.7
Sulfur (S), % 0
0 to 0.0050
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0