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EN 1.4005 Stainless Steel vs. 1050A Aluminum

EN 1.4005 stainless steel belongs to the iron alloys classification, while 1050A aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 EN 1.4005 stainless steel and the bottom bar is 1050A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 13 to 21
1.1 to 33
Fatigue Strength, MPa 240 to 290
22 to 55
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
26
Shear Strength, MPa 390 to 450
44 to 97
Tensile Strength: Ultimate (UTS), MPa 630 to 750
68 to 170
Tensile Strength: Yield (Proof), MPa 370 to 500
22 to 150

Thermal Properties

Latent Heat of Fusion, J/g 270
400
Maximum Temperature: Mechanical, °C 760
170
Melting Completion (Liquidus), °C 1440
660
Melting Onset (Solidus), °C 1400
650
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 30
230
Thermal Expansion, µm/m-K 10
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
59
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
200

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
9.0
Density, g/cm3 7.7
2.7
Embodied Carbon, kg CO2/kg material 2.0
8.2
Embodied Energy, MJ/kg 28
150
Embodied Water, L/kg 100
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
1.9 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 650
3.7 to 160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 23 to 27
6.9 to 18
Strength to Weight: Bending, points 21 to 24
14 to 25
Thermal Diffusivity, mm2/s 8.1
94
Thermal Shock Resistance, points 23 to 27
3.0 to 7.6

Alloy Composition

Aluminum (Al), % 0
99.5 to 100
Carbon (C), % 0.060 to 0.15
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 82.4 to 87.8
0 to 0.4
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.5
0 to 0.050
Molybdenum (Mo), % 0 to 0.6
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.25
Sulfur (S), % 0.15 to 0.35
0
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.070

Comparable Variants