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771.0 Aluminum vs. EN 1.3961 Alloy

771.0 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 (9, 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 771.0 aluminum and the bottom bar is EN 1.3961 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 1.7 to 6.5
31
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 26
72
Tensile Strength: Ultimate (UTS), MPa 250 to 370
450
Tensile Strength: Yield (Proof), MPa 210 to 350
310

Thermal Properties

Latent Heat of Fusion, J/g 380
270
Melting Completion (Liquidus), °C 630
1430
Melting Onset (Solidus), °C 620
1390
Specific Heat Capacity, J/kg-K 870
460
Thermal Expansion, µm/m-K 24
1.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
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 1130
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4 to 20
130
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 900
250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
23
Strength to Weight: Axial, points 23 to 35
15
Strength to Weight: Bending, points 29 to 39
16
Thermal Shock Resistance, points 11 to 16
130

Alloy Composition

Aluminum (Al), % 90.5 to 92.5
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0.060 to 0.2
0 to 0.25
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.15
60.7 to 65
Magnesium (Mg), % 0.8 to 1.0
0
Manganese (Mn), % 0 to 0.1
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 0.15
0 to 0.5
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0.1 to 0.2
0
Zinc (Zn), % 6.5 to 7.5
0
Residuals, % 0 to 0.15
0