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EN AC-21100 Aluminum vs. EN 1.3961 Alloy

EN AC-21100 aluminum belongs to the aluminum alloys classification, while EN 1.3961 alloy belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, 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-21100 aluminum and the bottom bar is EN 1.3961 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 6.2 to 7.3
31
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 27
72
Tensile Strength: Ultimate (UTS), MPa 340 to 350
450
Tensile Strength: Yield (Proof), MPa 210 to 240
310

Thermal Properties

Latent Heat of Fusion, J/g 390
270
Melting Completion (Liquidus), °C 670
1430
Melting Onset (Solidus), °C 550
1390
Specific Heat Capacity, J/kg-K 880
460
Thermal Expansion, µm/m-K 23
1.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
25
Density, g/cm3 3.0
8.2
Embodied Carbon, kg CO2/kg material 8.0
4.8
Embodied Energy, MJ/kg 150
66
Embodied Water, L/kg 1150
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
130
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
23
Strength to Weight: Axial, points 31 to 33
15
Strength to Weight: Bending, points 36 to 37
16
Thermal Shock Resistance, points 15
130

Alloy Composition

Aluminum (Al), % 93.4 to 95.7
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 4.2 to 5.2
0
Iron (Fe), % 0 to 0.19
60.7 to 65
Manganese (Mn), % 0 to 0.55
0 to 0.5
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0
35 to 37
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.18
0 to 0.5
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0