6463 Aluminum vs. EN 1.1203 Steel
6463 aluminum belongs to the aluminum alloys classification, while EN 1.1203 steel belongs to the iron alloys. 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 1.1203 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 | |
12 to 15 |
Fatigue Strength, MPa | 45 to 76 | |
210 to 310 |
Poisson's Ratio | 0.33 | |
0.29 |
Shear Modulus, GPa | 26 | |
72 |
Shear Strength, MPa | 86 to 150 | |
420 to 480 |
Tensile Strength: Ultimate (UTS), MPa | 140 to 230 | |
690 to 780 |
Tensile Strength: Yield (Proof), MPa | 82 to 200 | |
340 to 480 |
Thermal Properties
Latent Heat of Fusion, J/g | 400 | |
250 |
Maximum Temperature: Mechanical, °C | 160 | |
400 |
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 | |
48 |
Thermal Expansion, µm/m-K | 23 | |
12 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 50 to 55 | |
7.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 170 to 180 | |
8.3 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 9.5 | |
2.1 |
Density, g/cm3 | 2.7 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 8.3 | |
1.4 |
Embodied Energy, MJ/kg | 150 | |
19 |
Embodied Water, L/kg | 1190 | |
47 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 17 to 25 | |
69 to 100 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 50 to 300 | |
310 to 610 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 50 | |
24 |
Strength to Weight: Axial, points | 14 to 24 | |
25 to 28 |
Strength to Weight: Bending, points | 22 to 31 | |
22 to 24 |
Thermal Diffusivity, mm2/s | 79 to 86 | |
13 |
Thermal Shock Resistance, points | 6.3 to 10 | |
22 to 25 |
Alloy Composition
Aluminum (Al), % | 97.9 to 99.4 | |
0 |
Carbon (C), % | 0 | |
0.52 to 0.6 |
Chromium (Cr), % | 0 | |
0 to 0.4 |
Copper (Cu), % | 0 to 0.2 | |
0 |
Iron (Fe), % | 0 to 0.15 | |
97.1 to 98.9 |
Magnesium (Mg), % | 0.45 to 0.9 | |
0 |
Manganese (Mn), % | 0 to 0.050 | |
0.6 to 0.9 |
Molybdenum (Mo), % | 0 | |
0 to 0.1 |
Nickel (Ni), % | 0 | |
0 to 0.4 |
Phosphorus (P), % | 0 | |
0 to 0.035 |
Silicon (Si), % | 0.2 to 0.6 | |
0 to 0.4 |
Sulfur (S), % | 0 | |
0 to 0.035 |
Zinc (Zn), % | 0 to 0.050 | |
0 |
Residuals, % | 0 to 0.15 | |
0 |