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7010 Aluminum vs. EN 1.4612 Stainless Steel

7010 aluminum belongs to the aluminum alloys classification, while EN 1.4612 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, 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 1.4612 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 3.9 to 6.8
11
Fatigue Strength, MPa 160 to 190
860 to 950
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 26
76
Shear Strength, MPa 300 to 340
1010 to 1110
Tensile Strength: Ultimate (UTS), MPa 520 to 590
1690 to 1850
Tensile Strength: Yield (Proof), MPa 410 to 540
1570 to 1730

Thermal Properties

Latent Heat of Fusion, J/g 380
280
Maximum Temperature: Mechanical, °C 200
790
Melting Completion (Liquidus), °C 630
1450
Melting Onset (Solidus), °C 480
1400
Specific Heat Capacity, J/kg-K 860
480
Thermal Expansion, µm/m-K 24
11

Otherwise Unclassified Properties

Base Metal Price, % relative 10
16
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 8.3
3.6
Embodied Energy, MJ/kg 150
50
Embodied Water, L/kg 1120
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 33
190 to 210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
25
Strength to Weight: Axial, points 47 to 54
60 to 65
Strength to Weight: Bending, points 47 to 52
40 to 43
Thermal Shock Resistance, points 22 to 26
58 to 63

Alloy Composition

Aluminum (Al), % 87.9 to 90.6
1.4 to 1.8
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0 to 0.050
11 to 12.5
Copper (Cu), % 1.5 to 2.0
0
Iron (Fe), % 0 to 0.15
71.5 to 75.5
Magnesium (Mg), % 2.1 to 2.6
0
Manganese (Mn), % 0 to 0.1
0 to 0.1
Molybdenum (Mo), % 0
1.8 to 2.3
Nickel (Ni), % 0 to 0.050
10.2 to 11.3
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.12
0 to 0.1
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 0 to 0.060
0.2 to 0.5
Zinc (Zn), % 5.7 to 6.7
0
Zirconium (Zr), % 0.1 to 0.16
0
Residuals, % 0 to 0.15
0

Comparable Variants