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1050A Aluminum vs. EN 1.4028 Stainless Steel

1050A aluminum belongs to the aluminum alloys classification, while EN 1.4028 stainless steel belongs to the iron 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 1050A aluminum and the bottom bar is EN 1.4028 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 1.1 to 33
11 to 17
Fatigue Strength, MPa 22 to 55
230 to 400
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Shear Strength, MPa 44 to 97
410 to 550
Tensile Strength: Ultimate (UTS), MPa 68 to 170
660 to 930
Tensile Strength: Yield (Proof), MPa 22 to 150
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Maximum Temperature: Mechanical, °C 170
760
Melting Completion (Liquidus), °C 660
1440
Melting Onset (Solidus), °C 650
1400
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 230
30
Thermal Expansion, µm/m-K 24
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 59
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 200
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
7.0
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 8.2
1.9
Embodied Energy, MJ/kg 150
27
Embodied Water, L/kg 1200
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.9 to 19
94 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 3.7 to 160
380 to 1360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 6.9 to 18
24 to 33
Strength to Weight: Bending, points 14 to 25
22 to 27
Thermal Diffusivity, mm2/s 94
8.1
Thermal Shock Resistance, points 3.0 to 7.6
23 to 32

Alloy Composition

Aluminum (Al), % 99.5 to 100
0
Carbon (C), % 0
0.26 to 0.35
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.4
83.1 to 87.7
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0 to 1.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.25
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.070
0

Comparable Variants