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EN AC-71100 Aluminum vs. EN 1.4606 Stainless Steel

EN AC-71100 aluminum belongs to the aluminum alloys classification, while EN 1.4606 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, 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 EN AC-71100 aluminum and the bottom bar is EN 1.4606 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 1.1
23 to 39
Fatigue Strength, MPa 150
240 to 420
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 27
75
Tensile Strength: Ultimate (UTS), MPa 260
600 to 1020
Tensile Strength: Yield (Proof), MPa 230
280 to 630

Thermal Properties

Latent Heat of Fusion, J/g 490
300
Maximum Temperature: Mechanical, °C 170
910
Melting Completion (Liquidus), °C 580
1430
Melting Onset (Solidus), °C 520
1380
Specific Heat Capacity, J/kg-K 860
470
Thermal Expansion, µm/m-K 22
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 97
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
26
Density, g/cm3 2.9
7.9
Embodied Carbon, kg CO2/kg material 7.4
6.0
Embodied Energy, MJ/kg 140
87
Embodied Water, L/kg 1010
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8
190 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 360
200 to 1010
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 47
24
Strength to Weight: Axial, points 25
21 to 36
Strength to Weight: Bending, points 31
20 to 28
Thermal Shock Resistance, points 12
21 to 35

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
0 to 0.35
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
13 to 16
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.3
49.2 to 59
Magnesium (Mg), % 0.2 to 0.5
0
Manganese (Mn), % 0 to 0.15
1.0 to 2.0
Molybdenum (Mo), % 0
1.0 to 1.5
Nickel (Ni), % 0
24 to 27
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 7.5 to 9.5
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.15
1.9 to 2.3
Vanadium (V), % 0
0.1 to 0.5
Zinc (Zn), % 9.0 to 10.5
0
Residuals, % 0 to 0.15
0