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EN 1.0033 Steel vs. 1070A Aluminum

EN 1.0033 steel belongs to the iron alloys classification, while 1070A aluminum belongs to the aluminum alloys. 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 EN 1.0033 steel and the bottom bar is 1070A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 86 to 96
18 to 40
Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 17 to 32
2.3 to 33
Fatigue Strength, MPa 120 to 140
17 to 51
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Shear Strength, MPa 200
44 to 81
Tensile Strength: Ultimate (UTS), MPa 300 to 330
68 to 140
Tensile Strength: Yield (Proof), MPa 150 to 200
17 to 120

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1470
640
Melting Onset (Solidus), °C 1420
640
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 53
230
Thermal Expansion, µm/m-K 12
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
60
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
200

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.0
Density, g/cm3 7.9
2.7
Embodied Carbon, kg CO2/kg material 1.4
8.2
Embodied Energy, MJ/kg 18
150
Embodied Water, L/kg 45
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48 to 83
3.0 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 63 to 100
2.1 to 100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 10 to 12
7.0 to 14
Strength to Weight: Bending, points 13 to 14
14 to 22
Thermal Diffusivity, mm2/s 14
94
Thermal Shock Resistance, points 9.4 to 10
3.1 to 6.3

Alloy Composition

Aluminum (Al), % 0
99.7 to 100
Carbon (C), % 0 to 0.11
0
Copper (Cu), % 0
0 to 0.030
Iron (Fe), % 98.8 to 100
0 to 0.25
Magnesium (Mg), % 0
0 to 0.030
Manganese (Mn), % 0 to 0.7
0 to 0.030
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.35
0 to 0.2
Sulfur (S), % 0 to 0.045
0
Titanium (Ti), % 0
0 to 0.030
Zinc (Zn), % 0
0 to 0.070

Comparable Variants