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7116 Aluminum vs. EN 1.4560 Stainless Steel

7116 aluminum belongs to the aluminum alloys classification, while EN 1.4560 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 7116 aluminum and the bottom bar is EN 1.4560 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 7.8
50
Fatigue Strength, MPa 160
190
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Shear Strength, MPa 220
390
Tensile Strength: Ultimate (UTS), MPa 370
550
Tensile Strength: Yield (Proof), MPa 330
190

Thermal Properties

Latent Heat of Fusion, J/g 380
290
Maximum Temperature: Mechanical, °C 170
940
Melting Completion (Liquidus), °C 640
1420
Melting Onset (Solidus), °C 520
1370
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 150
15
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
15
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 8.2
3.0
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 1150
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
220
Resilience: Unit (Modulus of Resilience), kJ/m3 790
92
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
25
Strength to Weight: Axial, points 35
20
Strength to Weight: Bending, points 39
19
Thermal Diffusivity, mm2/s 58
4.0
Thermal Shock Resistance, points 16
12

Alloy Composition

Aluminum (Al), % 91.5 to 94.5
0
Carbon (C), % 0
0 to 0.035
Chromium (Cr), % 0
18 to 19
Copper (Cu), % 0.5 to 1.1
1.5 to 2.0
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
66.8 to 71
Magnesium (Mg), % 0.8 to 1.4
0
Manganese (Mn), % 0 to 0.050
1.5 to 2.0
Nickel (Ni), % 0
8.0 to 9.0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.15
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 4.2 to 5.2
0
Residuals, % 0 to 0.15
0