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1050 Aluminum vs. EN 1.5402 Steel

1050 aluminum belongs to the aluminum alloys classification, while EN 1.5402 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 1050 aluminum and the bottom bar is EN 1.5402 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 4.6 to 37
23
Fatigue Strength, MPa 31 to 57
260
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 52 to 81
370
Tensile Strength: Ultimate (UTS), MPa 76 to 140
580
Tensile Strength: Yield (Proof), MPa 25 to 120
370

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 640
1470
Melting Onset (Solidus), °C 650
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 230
51
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 200
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.4
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.3
1.7
Embodied Energy, MJ/kg 160
22
Embodied Water, L/kg 1200
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.4 to 22
120
Resilience: Unit (Modulus of Resilience), kJ/m3 4.6 to 110
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 7.8 to 14
21
Strength to Weight: Bending, points 15 to 22
20
Thermal Diffusivity, mm2/s 94
14
Thermal Shock Resistance, points 3.4 to 6.2
17

Alloy Composition

Aluminum (Al), % 99.5 to 100
0
Carbon (C), % 0
0 to 0.18
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.4
97.3 to 98.7
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0.9 to 1.4
Molybdenum (Mo), % 0
0.4 to 0.6
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.25
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.050
0.040 to 0.080
Zinc (Zn), % 0 to 0.050
0