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1050A Aluminum vs. EN 1.7767 Steel

1050A aluminum belongs to the aluminum alloys classification, while EN 1.7767 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 1.7767 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 20 to 45
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 1.1 to 33
20
Fatigue Strength, MPa 22 to 55
320 to 340
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
74
Shear Strength, MPa 44 to 97
420 to 430
Tensile Strength: Ultimate (UTS), MPa 68 to 170
670 to 690
Tensile Strength: Yield (Proof), MPa 22 to 150
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 170
480
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
40
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 59
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 200
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
4.5
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.2
2.4
Embodied Energy, MJ/kg 150
33
Embodied Water, L/kg 1200
64

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.9 to 19
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 3.7 to 160
570 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 6.9 to 18
24
Strength to Weight: Bending, points 14 to 25
22
Thermal Diffusivity, mm2/s 94
11
Thermal Shock Resistance, points 3.0 to 7.6
19 to 20

Alloy Composition

Aluminum (Al), % 99.5 to 100
0
Carbon (C), % 0
0.1 to 0.15
Chromium (Cr), % 0
2.8 to 3.3
Copper (Cu), % 0 to 0.050
0 to 0.25
Iron (Fe), % 0 to 0.4
93.8 to 95.8
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.25
0 to 0.15
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 0 to 0.050
0 to 0.030
Vanadium (V), % 0
0.2 to 0.3
Zinc (Zn), % 0 to 0.070
0