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7005 Aluminum vs. EN 1.7365 Steel

7005 aluminum belongs to the aluminum alloys classification, while EN 1.7365 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 7005 aluminum and the bottom bar is EN 1.7365 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 10 to 20
18
Fatigue Strength, MPa 100 to 190
320
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
74
Tensile Strength: Ultimate (UTS), MPa 200 to 400
700
Tensile Strength: Yield (Proof), MPa 95 to 350
470

Thermal Properties

Latent Heat of Fusion, J/g 380
260
Maximum Temperature: Mechanical, °C 200
510
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 610
1420
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 140 to 170
40
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 43
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 110 to 130
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
4.4
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 8.3
1.8
Embodied Energy, MJ/kg 150
24
Embodied Water, L/kg 1150
70

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32 to 57
110
Resilience: Unit (Modulus of Resilience), kJ/m3 65 to 850
580
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
25
Strength to Weight: Axial, points 19 to 38
25
Strength to Weight: Bending, points 26 to 41
22
Thermal Diffusivity, mm2/s 54 to 65
11
Thermal Shock Resistance, points 8.7 to 18
20

Alloy Composition

Aluminum (Al), % 91 to 94.7
0
Carbon (C), % 0
0.12 to 0.19
Chromium (Cr), % 0.060 to 0.2
4.0 to 6.0
Copper (Cu), % 0 to 0.1
0 to 0.3
Iron (Fe), % 0 to 0.4
91.2 to 94.9
Magnesium (Mg), % 1.0 to 1.8
0
Manganese (Mn), % 0.2 to 0.7
0.5 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.65
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.35
0 to 0.8
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0.010 to 0.060
0
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 4.0 to 5.0
0
Zirconium (Zr), % 0.080 to 0.2
0
Residuals, % 0 to 0.15
0