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A390.0 Aluminum vs. EN 1.4005 Stainless Steel

A390.0 aluminum belongs to the aluminum alloys classification, while EN 1.4005 stainless steel belongs to the iron alloys. There are 29 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 A390.0 aluminum and the bottom bar is EN 1.4005 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
190
Elongation at Break, % 0.87 to 0.91
13 to 21
Fatigue Strength, MPa 70 to 100
240 to 290
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
76
Tensile Strength: Ultimate (UTS), MPa 190 to 290
630 to 750
Tensile Strength: Yield (Proof), MPa 190 to 290
370 to 500

Thermal Properties

Latent Heat of Fusion, J/g 640
270
Maximum Temperature: Mechanical, °C 170
760
Melting Completion (Liquidus), °C 580
1440
Melting Onset (Solidus), °C 480
1400
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 130
30
Thermal Expansion, µm/m-K 20
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 67
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
7.0
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 7.3
2.0
Embodied Energy, MJ/kg 140
28
Embodied Water, L/kg 950
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.6 to 2.6
90 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 580
350 to 650
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 52
25
Strength to Weight: Axial, points 19 to 30
23 to 27
Strength to Weight: Bending, points 27 to 36
21 to 24
Thermal Diffusivity, mm2/s 56
8.1
Thermal Shock Resistance, points 9.0 to 14
23 to 27

Alloy Composition

Aluminum (Al), % 75.3 to 79.6
0
Carbon (C), % 0
0.060 to 0.15
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 0 to 0.5
82.4 to 87.8
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.1
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.6
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 16 to 18
0 to 1.0
Sulfur (S), % 0
0.15 to 0.35
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.2
0