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1070 Aluminum vs. EN 1.8835 Steel

1070 aluminum belongs to the aluminum alloys classification, while EN 1.8835 steel belongs to the iron alloys. There are 30 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 1070 aluminum and the bottom bar is EN 1.8835 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 4.5 to 39
21
Fatigue Strength, MPa 22 to 49
310
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 48 to 79
360
Tensile Strength: Ultimate (UTS), MPa 73 to 140
580
Tensile Strength: Yield (Proof), MPa 17 to 120
440

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 640
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 230
49
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 200
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.3
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.3
1.6
Embodied Energy, MJ/kg 160
21
Embodied Water, L/kg 1200
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 21
110
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 110
510
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 7.5 to 14
21
Strength to Weight: Bending, points 14 to 22
20
Thermal Diffusivity, mm2/s 94
13
Thermal Shock Resistance, points 3.3 to 6.1
17

Alloy Composition

Aluminum (Al), % 99.7 to 100
0.020 to 0.040
Carbon (C), % 0
0 to 0.16
Copper (Cu), % 0 to 0.040
0
Iron (Fe), % 0 to 0.25
96.7 to 99.98
Magnesium (Mg), % 0 to 0.030
0
Manganese (Mn), % 0 to 0.030
0 to 1.7
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.2
0 to 0.5
Sulfur (S), % 0
0 to 0.0080
Titanium (Ti), % 0 to 0.030
0 to 0.050
Vanadium (V), % 0 to 0.050
0 to 0.1
Zinc (Zn), % 0 to 0.040
0
Residuals, % 0 to 0.030
0