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7010 Aluminum vs. EN 1.4162 Stainless Steel

7010 aluminum belongs to the aluminum alloys classification, while EN 1.4162 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 1.4162 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 3.9 to 6.8
32
Fatigue Strength, MPa 160 to 190
410
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 26
78
Shear Strength, MPa 300 to 340
520
Tensile Strength: Ultimate (UTS), MPa 520 to 590
780
Tensile Strength: Yield (Proof), MPa 410 to 540
520

Thermal Properties

Latent Heat of Fusion, J/g 380
290
Maximum Temperature: Mechanical, °C 200
1000
Melting Completion (Liquidus), °C 630
1420
Melting Onset (Solidus), °C 480
1370
Specific Heat Capacity, J/kg-K 860
480
Thermal Conductivity, W/m-K 150
15
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 3.0
7.7
Embodied Carbon, kg CO2/kg material 8.3
2.6
Embodied Energy, MJ/kg 150
38
Embodied Water, L/kg 1120
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 33
220
Resilience: Unit (Modulus of Resilience), kJ/m3 1230 to 2130
690
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
25
Strength to Weight: Axial, points 47 to 54
28
Strength to Weight: Bending, points 47 to 52
25
Thermal Diffusivity, mm2/s 58
4.0
Thermal Shock Resistance, points 22 to 26
21

Alloy Composition

Aluminum (Al), % 87.9 to 90.6
0
Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0 to 0.050
21 to 22
Copper (Cu), % 1.5 to 2.0
0.1 to 0.8
Iron (Fe), % 0 to 0.15
67.2 to 73.3
Magnesium (Mg), % 2.1 to 2.6
0
Manganese (Mn), % 0 to 0.1
4.0 to 6.0
Molybdenum (Mo), % 0
0.1 to 0.8
Nickel (Ni), % 0 to 0.050
1.4 to 1.9
Nitrogen (N), % 0
0.2 to 0.25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.12
0 to 1.0
Sulfur (S), % 0
0 to 0.015
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