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7010 Aluminum vs. EN 1.4980 Stainless Steel

7010 aluminum belongs to the aluminum alloys classification, while EN 1.4980 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 1.4980 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 3.9 to 6.8
17
Fatigue Strength, MPa 160 to 190
410
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
75
Shear Strength, MPa 300 to 340
630
Tensile Strength: Ultimate (UTS), MPa 520 to 590
1030
Tensile Strength: Yield (Proof), MPa 410 to 540
680

Thermal Properties

Latent Heat of Fusion, J/g 380
300
Maximum Temperature: Mechanical, °C 200
920
Melting Completion (Liquidus), °C 630
1430
Melting Onset (Solidus), °C 480
1380
Specific Heat Capacity, J/kg-K 860
470
Thermal Conductivity, W/m-K 150
13
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
26
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 8.3
6.0
Embodied Energy, MJ/kg 150
87
Embodied Water, L/kg 1120
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 33
150
Resilience: Unit (Modulus of Resilience), kJ/m3 1230 to 2130
1180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
24
Strength to Weight: Axial, points 47 to 54
36
Strength to Weight: Bending, points 47 to 52
28
Thermal Diffusivity, mm2/s 58
3.5
Thermal Shock Resistance, points 22 to 26
22

Alloy Composition

Aluminum (Al), % 87.9 to 90.6
0 to 0.35
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0
0.030 to 0.080
Chromium (Cr), % 0 to 0.050
13.5 to 16
Copper (Cu), % 1.5 to 2.0
0
Iron (Fe), % 0 to 0.15
49.2 to 58.5
Magnesium (Mg), % 2.1 to 2.6
0
Manganese (Mn), % 0 to 0.1
1.0 to 2.0
Molybdenum (Mo), % 0
1.0 to 1.5
Nickel (Ni), % 0 to 0.050
24 to 27
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.12
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.060
1.9 to 2.3
Vanadium (V), % 0
0.1 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