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1050A Aluminum vs. EN 1.7378 Steel

1050A aluminum belongs to the aluminum alloys classification, while EN 1.7378 steel belongs to the iron alloys. There are 31 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 1050A aluminum and the bottom bar is EN 1.7378 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 20 to 45
210
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 1.1 to 33
17
Fatigue Strength, MPa 22 to 55
330
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
74
Shear Strength, MPa 44 to 97
430
Tensile Strength: Ultimate (UTS), MPa 68 to 170
700
Tensile Strength: Yield (Proof), MPa 22 to 150
490

Thermal Properties

Latent Heat of Fusion, J/g 400
260
Maximum Temperature: Mechanical, °C 170
460
Melting Completion (Liquidus), °C 660
1470
Melting Onset (Solidus), °C 650
1430
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 230
39
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 59
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 200
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
4.0
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.2
2.3
Embodied Energy, MJ/kg 150
33
Embodied Water, L/kg 1200
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.9 to 19
110
Resilience: Unit (Modulus of Resilience), kJ/m3 3.7 to 160
630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 6.9 to 18
25
Strength to Weight: Bending, points 14 to 25
22
Thermal Diffusivity, mm2/s 94
10
Thermal Shock Resistance, points 3.0 to 7.6
20

Alloy Composition

Aluminum (Al), % 99.5 to 100
0 to 0.020
Boron (B), % 0
0.0015 to 0.0070
Carbon (C), % 0
0.050 to 0.1
Chromium (Cr), % 0
2.2 to 2.6
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.4
94.6 to 96.1
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0.3 to 0.7
Molybdenum (Mo), % 0
0.9 to 1.1
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.25
0.15 to 0.45
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.050
0.050 to 0.1
Vanadium (V), % 0
0.2 to 0.3
Zinc (Zn), % 0 to 0.070
0