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EN AC-71100 Aluminum vs. EN 1.4410 Stainless Steel

EN AC-71100 aluminum belongs to the aluminum alloys classification, while EN 1.4410 stainless steel belongs to the iron alloys. There are 28 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 1.4410 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
260
Elastic (Young's, Tensile) Modulus, GPa 72
210
Elongation at Break, % 1.1
24
Fatigue Strength, MPa 150
410
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 27
81
Tensile Strength: Ultimate (UTS), MPa 260
850
Tensile Strength: Yield (Proof), MPa 230
600

Thermal Properties

Latent Heat of Fusion, J/g 490
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 580
1450
Melting Onset (Solidus), °C 520
1400
Specific Heat Capacity, J/kg-K 860
480
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 97
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
20
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 7.4
4.0
Embodied Energy, MJ/kg 140
56
Embodied Water, L/kg 1010
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8
180
Resilience: Unit (Modulus of Resilience), kJ/m3 360
880
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 47
25
Strength to Weight: Axial, points 25
30
Strength to Weight: Bending, points 31
26
Thermal Shock Resistance, points 12
23

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.3
58.1 to 66.8
Magnesium (Mg), % 0.2 to 0.5
0
Manganese (Mn), % 0 to 0.15
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.5
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.35
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 7.5 to 9.5
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 9.0 to 10.5
0
Residuals, % 0 to 0.15
0