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EN AC-71100 Aluminum vs. EN 1.4062 Stainless Steel

EN AC-71100 aluminum belongs to the aluminum alloys classification, while EN 1.4062 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 1.4062 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
200
Elongation at Break, % 1.1
23 to 34
Fatigue Strength, MPa 150
410 to 420
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 27
79
Tensile Strength: Ultimate (UTS), MPa 260
770 to 800
Tensile Strength: Yield (Proof), MPa 230
530 to 600

Thermal Properties

Latent Heat of Fusion, J/g 490
290
Maximum Temperature: Mechanical, °C 170
1030
Melting Completion (Liquidus), °C 580
1430
Melting Onset (Solidus), °C 520
1380
Specific Heat Capacity, J/kg-K 860
480
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 97
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.9
7.7
Embodied Carbon, kg CO2/kg material 7.4
2.6
Embodied Energy, MJ/kg 140
37
Embodied Water, L/kg 1010
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8
170 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 360
690 to 910
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 47
25
Strength to Weight: Axial, points 25
28 to 29
Strength to Weight: Bending, points 31
24 to 25
Thermal Shock Resistance, points 12
21 to 22

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
21.5 to 24
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.3
69.3 to 77.3
Magnesium (Mg), % 0.2 to 0.5
0
Manganese (Mn), % 0 to 0.15
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.45
Nickel (Ni), % 0
1.0 to 2.9
Nitrogen (N), % 0
0.16 to 0.28
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 7.5 to 9.5
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 9.0 to 10.5
0
Residuals, % 0 to 0.15
0