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7010 Aluminum vs. EN 1.5525 Steel

7010 aluminum belongs to the aluminum alloys classification, while EN 1.5525 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 7010 aluminum and the bottom bar is EN 1.5525 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 3.9 to 6.8
11 to 21
Fatigue Strength, MPa 160 to 190
210 to 310
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 300 to 340
310 to 350
Tensile Strength: Ultimate (UTS), MPa 520 to 590
440 to 1440
Tensile Strength: Yield (Proof), MPa 410 to 540
300 to 490

Thermal Properties

Latent Heat of Fusion, J/g 380
250
Maximum Temperature: Mechanical, °C 200
400
Melting Completion (Liquidus), °C 630
1460
Melting Onset (Solidus), °C 480
1420
Specific Heat Capacity, J/kg-K 860
470
Thermal Conductivity, W/m-K 150
50
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 120
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 10
1.9
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 8.3
1.4
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1120
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 33
44 to 240
Resilience: Unit (Modulus of Resilience), kJ/m3 1230 to 2130
240 to 640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
24
Strength to Weight: Axial, points 47 to 54
16 to 51
Strength to Weight: Bending, points 47 to 52
16 to 36
Thermal Diffusivity, mm2/s 58
13
Thermal Shock Resistance, points 22 to 26
13 to 42

Alloy Composition

Aluminum (Al), % 87.9 to 90.6
0
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0
0.18 to 0.23
Chromium (Cr), % 0 to 0.050
0 to 0.3
Copper (Cu), % 1.5 to 2.0
0 to 0.25
Iron (Fe), % 0 to 0.15
97.7 to 98.9
Magnesium (Mg), % 2.1 to 2.6
0
Manganese (Mn), % 0 to 0.1
0.9 to 1.2
Nickel (Ni), % 0 to 0.050
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.12
0 to 0.3
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.060
0
Zinc (Zn), % 5.7 to 6.7
0
Zirconium (Zr), % 0.1 to 0.16
0
Residuals, % 0 to 0.15
0