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2017A-O Aluminum vs. EN 1.0033 +A Steel

2017A-O aluminum belongs to the aluminum alloys classification, while EN 1.0033 +A steel belongs to the iron 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 2017A-O aluminum and the bottom bar is EN 1.0033 +A steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
86
Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 14
31
Fatigue Strength, MPa 120
120
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Shear Strength, MPa 120
200
Tensile Strength: Ultimate (UTS), MPa 200
300
Tensile Strength: Yield (Proof), MPa 120
150

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Maximum Temperature: Mechanical, °C 220
400
Melting Completion (Liquidus), °C 650
1470
Melting Onset (Solidus), °C 510
1420
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 150
53
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.8
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 8.2
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1140
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
78
Resilience: Unit (Modulus of Resilience), kJ/m3 100
63
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 19
10
Strength to Weight: Bending, points 26
13
Thermal Diffusivity, mm2/s 56
14
Thermal Shock Resistance, points 8.9
9.4

Alloy Composition

Aluminum (Al), % 91.3 to 95.5
0
Carbon (C), % 0
0 to 0.11
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
0
Iron (Fe), % 0 to 0.7
98.8 to 100
Magnesium (Mg), % 0.4 to 1.0
0
Manganese (Mn), % 0.4 to 1.0
0 to 0.7
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0.2 to 0.8
0 to 0.35
Sulfur (S), % 0
0 to 0.045
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0 to 0.15
0