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6463 Aluminum vs. EN 1.7221 Steel

6463 aluminum belongs to the aluminum alloys classification, while EN 1.7221 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 6463 aluminum and the bottom bar is EN 1.7221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 42 to 74
200 to 230
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 9.0 to 17
11 to 17
Fatigue Strength, MPa 45 to 76
290 to 390
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 140 to 230
650 to 780
Tensile Strength: Yield (Proof), MPa 82 to 200
430 to 630

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 160
420
Melting Completion (Liquidus), °C 660
1460
Melting Onset (Solidus), °C 620
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 190 to 210
44
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50 to 55
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 170 to 180
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.4
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.3
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1190
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 25
83 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 300
490 to 1050
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 14 to 24
23 to 27
Strength to Weight: Bending, points 22 to 31
21 to 24
Thermal Diffusivity, mm2/s 79 to 86
12
Thermal Shock Resistance, points 6.3 to 10
19 to 23

Alloy Composition

Aluminum (Al), % 97.9 to 99.4
0
Carbon (C), % 0
0.22 to 0.29
Chromium (Cr), % 0
0.8 to 1.2
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 0.15
96.8 to 98.3
Magnesium (Mg), % 0.45 to 0.9
0
Manganese (Mn), % 0 to 0.050
0.5 to 0.8
Molybdenum (Mo), % 0
0.15 to 0.3
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.2 to 0.6
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.050
0
Residuals, % 0 to 0.15
0

Comparable Variants