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7010 Aluminum vs. EN 1.4006 Stainless Steel

7010 aluminum belongs to the aluminum alloys classification, while EN 1.4006 stainless 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 1.4006 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 3.9 to 6.8
16 to 23
Fatigue Strength, MPa 160 to 190
150 to 300
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 26
76
Shear Strength, MPa 300 to 340
370 to 460
Tensile Strength: Ultimate (UTS), MPa 520 to 590
590 to 750
Tensile Strength: Yield (Proof), MPa 410 to 540
230 to 510

Thermal Properties

Latent Heat of Fusion, J/g 380
270
Maximum Temperature: Mechanical, °C 200
740
Melting Completion (Liquidus), °C 630
1440
Melting Onset (Solidus), °C 480
1400
Specific Heat Capacity, J/kg-K 860
480
Thermal Conductivity, W/m-K 150
30
Thermal Expansion, µm/m-K 24
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 120
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
7.0
Density, g/cm3 3.0
7.7
Embodied Carbon, kg CO2/kg material 8.3
1.9
Embodied Energy, MJ/kg 150
27
Embodied Water, L/kg 1120
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 33
99 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 1230 to 2130
140 to 660
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
25
Strength to Weight: Axial, points 47 to 54
21 to 27
Strength to Weight: Bending, points 47 to 52
20 to 24
Thermal Diffusivity, mm2/s 58
8.1
Thermal Shock Resistance, points 22 to 26
21 to 26

Alloy Composition

Aluminum (Al), % 87.9 to 90.6
0
Carbon (C), % 0
0.080 to 0.15
Chromium (Cr), % 0 to 0.050
11.5 to 13.5
Copper (Cu), % 1.5 to 2.0
0
Iron (Fe), % 0 to 0.15
83.1 to 88.4
Magnesium (Mg), % 2.1 to 2.6
0
Manganese (Mn), % 0 to 0.1
0 to 1.5
Nickel (Ni), % 0 to 0.050
0 to 0.75
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

Comparable Variants